Delve

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For the league, see Delve league.
The subterranean chart of the Azurite Mine

A delve is the exploration of the nearly-infinite Azurite Mine dungeon, released in the Delve league. The character follows a Crawler (mine cart) powered by Voltaxic Sulphite through the mine to a checkpoint. Players can start delving from Act 4 onwards, when they reach The Mines and start encountering Niko, Master of the Depths.

Mechanics

Azurite Mine

The Azurite Mine consists of an infinite number of nodes. Each node has 1 to 4 paths connected to it, leading to nearby nodes. Each node has a checkpoint, a circle marked on the ground in a chamber at the center of the node. A node can be "cleared", meaning that the character can freely teleport to that node's checkpoint. Or it can be "uncleared", meaning that it is not accessible. The vast majority of nodes start out "uncleared".

In order to clear an uncleared node and receive its rewards, characters must perform delves. Each delve is an expedition along a path leading from a cleared node's checkpoint to an adjacent uncleared node's checkpoint. Along the way, the characters must follow the Crawler, fight or avoid large numbers of monsters, and beat an encounter at the uncleared node's checkpoint. If the players beat the encounter, they receive rewards, and the node is now cleared.

The difficulty and rewards of delves increase based on depth in the mine. Paths deeper below the surface contain higher-level monsters, but yield higher-level rewards as well.

Progress through the mine is shared among all a player's characters in a league; different leagues will have different Azurite Mines whose nodes must be cleared separately. When playing in parties, the whole party uses the party leader's Azurite Mine, and other party members cannot continue if the party leader leaves. [1]

Mineshaft

When a player reaches the Azurite Mine for the first time in a given league (using any of their characters in that league), only a single node is cleared, just below the mine entrance. But as the player's highest-level character in that league continues to level up, Niko will gradually dig a mineshaft, which can help speed up the player's progress in the mine.

The mineshaft is a vertical string of cleared nodes starting at the mine entrance and going straight downward. When a new mineshaft node is created, it destroys any previously-existing node in the same spot. The mineshaft depth is shared by all of the player's characters in a league, and is based on the player's highest-level character in that league. The mineshaft will eventually stop growing when it reaches a depth of 34.

The mineshaft acts as a catch-up mechanic, allowing a character to have challenging nodes available even if the player ignores the Delve mechanic for long periods of time during the campaign.

Subterranean Chart

The Subterranean Chart screen lets the player see all nearby nodes in the Azurite Mine, teleport to and from the Mine Encampment, teleport to and from checkpoints in nodes that have already been cleared, and set up a delve from a cleared node to an uncleared node.

Crawler

The Crawler is used to provide the light needed to delve to undiscovered checkpoints. During a delve, the Crawler will automatically navigate along the path from the cleared node's checkpoint to the uncleared node's checkpoint, providing light around it. The Crawler's speed is based on the characters' movement speed. If characters move ahead of the Crawler, it will speed up to catch up to them; if characters fall behind the Crawler, it will slow or stop. Even though a delve's layout may provide multiple routes to the checkpoint, the Crawler will always follow a predetermined one; that means that players must be careful to follow the Crawler through junctions, since characters will be left in darkness if they take a different route than the Crawler.

The Crawler will also pick up items dropped within a large radius around it, which it drops when the checkpoint and encounter are cleared. [1]

Voltaxic Generator

The Voltaxic Generator is a device located in the Mine Encampment at the entrance of the Azurite Mine. The Voltaxic Generator lets you permanently upgrade your character's Delve-related capabilities using Voltaxic Sulphite, as described below.

Sulphite

Voltaxic Sulphite -- usually just called Sulphite -- is a nontradable resource. It is earned during play, and spent on Delve-related upgrades and resonators.

Every delve has a cost paid in Voltaxic Sulphite. The cost depends on the distance between the two nodes and the depth of the destination node, up to a maximum of 1100 Sulphite per delve. In order to start a delve, the player must have enough Sulphite to pay the full cost. But the cost is not paid all at once; instead, it is paid gradually as a Delve proceeds. This means that failed delves will often not cost the full original amount.

Sulphite is earned during play outside the mine. Starting with The Mines in Act 4, any zone instance can randomly contain Niko, Master of the Depths. These instances will include three caches of Sulphite. Clicking on a cache will summon Niko to harvest it, adding the Sulphite to that character's total, as well as to the total of nearby characters. The higher the instance's level, the more Sulphite is gained.

Sulphite can also be earned in maps. Selecting a Niko Atlas mission at the Map Device will guarantee that Niko and Sulphite caches appear in that map's instance. A Niko Atlas mission can also randomly occur if no Atlas mission is selected at the Map Device. A map instance's Sulphite total is increased by the map's item quantity bonus as well as by the map's level. Certain Scarabs can be used along with a map in the Map Device to guarantee a Niko encounter, and to increase a map instance's Sulphite rewards.

A character can only hold a limited amount of Sulphite at a time. A player can permanently upgrade a character's maximum Sulphite capacity at the Voltaxic Generator in the Mine Encampment using Azurite. [1]

Sulphite Capacity [Expand]
Upgrade Level Sulphite Capacity Cost
0 600 0
1 900 15
2 1,350 102
3 2,000 187
4 3,000 300
5 4,500 444
6 6,400 630
7 9,000 865
8 12,500 1,016
9 17,500 1,496
10 22,750 2,143
11 30,000 5,271
12 38,500 12,962
13 46,000 21,521
14 55,000 33,728
15 65,000 54,709

A player can use Sulphite at the Voltaxic Generator to purchase various permanent upgrades to a character's Delve-related capabilities. These upgrades and their costs are discussed below. Note that the costs of some upgrades can become discounted if a player goes unusually long without buying them.[citation needed]

A player can also use Sulphite to buy resonators from Niko, Master of the Depths at the Mine Encampment.

Sulphite scaling based on area level

Those are base values and can be further modified by map quantity. In maps, effective area level is used instead of base area level.

Sulphite Scaling [Expand]
Area Level Base Sulphite
2 10
3 10
4 11
5 11
6 11
7 13
8 14
9 14
10 14
11 14
12 16
13 18
14 18
15 18
16 19
17 19
18 21
19 21
20 21
21 23
22 23
23 24
24 24
25 24
26 26
27 27
28 27
29 27
30 29
31 29
32 31
33 31
34 31
35 32
36 32
37 34
38 34
39 34
40 35
41 35
42 37
43 37
44 37
45 39
46 40
47 40
48 40
49 42
50 42
51 43
52 43
53 43
54 45
55 45
56 47
57 47
58 47
59 48
60 50
61 50
62 50
63 50
64 52
65 53
66 53
67 53
68 68
69 137
70 209
71 282
72 356
73 433
74 510
75 591
76 671
77 755
78 840
79 927
80 1,016
81 1,106
82 1,198
83 1,291
84 1,383
85 1,476
86 1,568
87 1,568
88 1,568
89 1,568
90 1,568
91 1,568
92 1,568
93 1,568
94 1,568
95 1,568
96 1,568
97 1,568
98 1,568
99 1,568
100 1,568

Light and Darkness

Main page: Darkness

Light and darkness play a crucial role in delves. A character staying outside the light for long will almost certainly die.

Paths in the Azurite Mine are normally dark. Generic light radius modifiers will not work in the mine.

During delves, light is normally only present in a circular area around the Crawler. The deeper a delve goes into the mine, the more the Crawler's light radius is reduced. The game will warn the player if a character's light radius is particularly low due to depth.

The player can permanently upgrade a character's Crawler light radius at the Voltaxic Generator using Azurite.

Light Radius [Expand]
Upgrade Level Light Radius +% Azurite
0 0 0
1 30 50
2 60 167
3 90 312
4 120 505
5 150 688
6 180 1,012
7 210 1,224
8 240 1,397
9 270 1,487
10 300 1,682
11 330 1,832
12 360 1,943
13 390 2,222
14 420 2,276
15 450 2,245
16 480 2,388
17 510 2,446
18 540 2,566
19 570 2,593
20 600 2,824
21 630 2,964
22 660 2,994
23 690 3,262
24 720 3,423
25 750 3,458
26 780 3,767
27 810 3,953
28 840 3,993
29 870 4,350
30 900 4,565
31 930 4,611
32 960 5,024
33 990 5,271
34 1,020 5,325
35 1,050 5,802
36 1,080 6,088
37 1,110 6,150
38 1,140 6,700
39 1,170 7,030
40 1,200 7,102
41 1,230 7,737
42 1,260 8,119
43 1,290 8,202
44 1,320 8,936
45 1,350 9,376
46 1,380 9,472
47 1,410 10,319
48 1,440 10,828
49 1,470 10,939
50 1,500 11,917
51 1,530 12,505
52 1,560 12,633
53 1,590 13,763
54 1,620 14,441
55 1,650 14,589
56 1,680 15,894
57 1,710 16,677
58 1,740 16,848
59 1,770 18,355
60 1,800 19,260
61 1,830 19,457
62 1,860 21,197
63 1,890 22,242
64 1,920 22,470
65 1,950 24,479
66 1,980 25,686
67 2,010 25,949
68 2,040 28,270
69 2,070 29,664
70 2,100 29,967
71 2,130 32,647
72 2,160 34,257
73 2,190 34,607
74 2,220 37,702
75 2,250 39,562
76 2,280 39,966
77 2,310 43,540
78 2,340 45,688
79 2,370 46,155
80 2,400 50,282
81 2,430 52,762
82 2,460 53,302
83 2,490 58,069
84 2,520 60,932
85 2,550 61,555
86 2,580 67,060
87 2,610 70,367
88 2,640 71,087
89 2,670 77,444
90 2,700 81,264
91 2,730 82,095
92 2,760 89,436
93 2,790 93,847
94 2,820 94,807
95 2,850 103,285
96 2,880 108,379
97 2,910 109,487
98 2,940 119,279
99 2,970 125,161
100 3,000 126,441
101 3,030 137,749
102 3,060 144,542
103 3,090 146,020
104 3,120 159,078
105 3,150 166,924

Stalkers, a monster found in Delves, can momentarily disable the Crawler's light source.

When a Delve is successfully completed, the Crawler will leave a permanent cable along the route taken by the Crawler during that Delve, permanently lighting that route along the path.

If a character moves outside of lit areas (whether during a Delve or not), the character rapidly begins taking damage from a stacking Darkness debuff. Stepping into a lit area clears the debuff. Allied minions and totems will not take darkness damage.

Darkness also affects combat. Monsters at the edge of the darkness take reduced damage, and monsters totally within the darkness cannot be damaged at all.

Darkness damage is not reduced by a character's elemental or Chaos resistances. Instead, the character has a separate darkness resistance, not shown on the character sheet but viewable at the Voltaxic Generator. The character's effective darkness resistance is reduced by the character's current depth in the mine. The game will warn the player if a character's effective damage resistance is particularly low due to depth.

The player can permanently upgrade a character's darkness resistance at the Voltaxic Generator using Azurite.

Darkness Resistance [Expand]
Upgrade Level Darkness Resistance +% Azurite
0 0 0
1 30 101
2 60 261
3 90 451
4 120 719
5 150 1,021
6 180 1,379
7 210 1,658
8 240 1,808
9 270 2,077
10 300 2,259
11 330 2,377
12 360 2,721
13 390 2,970
14 420 2,929
15 450 3,116
16 480 3,191
17 510 3,148
18 540 3,429
19 570 3,599
20 600 3,635
21 630 3,961
22 660 4,156
23 690 4,198
24 720 4,574
25 750 4,799
26 780 4,848
27 810 5,282
28 840 5,543
29 870 5,599
30 900 6,100
31 930 6,401
32 960 6,466
33 990 7,044
34 1,020 7,392
35 1,050 7,467
36 1,080 8,135
37 1,110 8,537
38 1,140 8,624
39 1,170 9,395
40 1,200 9,858
41 1,230 9,959
42 1,260 10,850
43 1,290 11,385
44 1,320 11,501
45 1,350 12,530
46 1,380 13,148
47 1,410 13,282
48 1,440 14,470
49 1,470 15,184
50 1,500 15,339
51 1,530 16,711
52 1,560 17,535
53 1,590 17,714
54 1,620 19,298
55 1,650 20,250
56 1,680 20,457
57 1,710 22,287
58 1,740 23,386
59 1,770 23,625
60 1,800 25,738
61 1,830 27,007
62 1,860 27,283
63 1,890 29,723
64 1,920 31,189
65 1,950 31,508
66 1,980 34,326
67 2,010 36,018
68 2,040 36,387
69 2,070 39,641
70 2,100 41,596
71 2,130 42,021
72 2,160 45,779
73 2,190 48,037
74 2,220 48,528
75 2,250 52,868
76 2,280 55,475
77 2,310 56,042
78 2,340 61,054
79 2,370 64,065
80 2,400 64,720
81 2,430 70,508
82 2,460 73,985
83 2,490 74,742
84 2,520 81,426
85 2,550 85,442
86 2,580 86,315
87 2,610 94,035
88 2,640 98,672
89 2,670 99,681
90 2,700 108,595
91 2,730 113,951
92 2,760 115,116
93 2,790 125,411
94 2,820 131,596
95 2,850 132,942
96 2,880 144,831
97 2,910 151,973
98 2,940 153,527
99 2,970 167,257
100 3,000 175,506
101 3,030 177,300
102 3,060 193,156
103 3,090 202,682
104 3,120 204,755
105 3,150 223,066


Flares

Flares are consumable items that can be used to create a temporary lit area. Flare uses cannot be targeted; when used, the flare drops at the character's feet. Flares can only be used within the mine; they can be used whether or not a Delve is currently in progress.

Flares can be purchased at the Voltaxic Generator using Azurite, or found in Flare Caches during delves.

A character can only carry 3 Flares at first. The player can permanently upgrade a character's maximum Flare capacity, Flare light radius, and Flare duration at the Voltaxic Generator using Azurite.

Flare Carrying Capacity [Expand]
Upgrade Level Flares Azurite
0 3 0
1 4 92
2 5 199
3 6 370
4 7 560
5 8 762
6 9 1,255
7 10 1,495
8 11 1,860
9 12 2,312
10 13 4,046
11 14 7,081
12 15 12,391
13 16 18,678
14 17 25,082
15 18 33,246
16 19 43,909
17 20 58,214
Flare Light Radius [Expand]
Upgrade Level Flare Radius +% Azurite
0 0 0
1 30 121
2 60 233
3 90 396
4 120 598
5 150 850
6 180 1,111
7 210 1,273
8 240 1,385
9 270 1,576
10 300 1,714
11 330 1,811
12 360 2,072
13 390 2,235
14 420 2,205
15 450 2,345
16 480 2,402
17 510 2,369
18 540 2,581
19 570 2,709
20 600 2,736
21 630 2,981
22 660 3,128
23 690 3,160
24 720 3,443
25 750 3,612
26 780 3,649
27 810 3,976
28 840 4,172
29 870 4,215
30 900 4,591
31 930 4,818
32 960 4,867
33 990 5,302
34 1,020 5,564
35 1,050 5,621
36 1,080 6,123
37 1,110 6,425
38 1,140 6,491
39 1,170 7,072
40 1,200 7,420
41 1,230 7,496
42 1,260 8,167
43 1,290 8,569
44 1,320 8,657
45 1,350 9,431
46 1,380 9,896
47 1,410 9,998
48 1,440 10,892
49 1,470 11,429
50 1,500 11,546
51 1,530 12,578
52 1,560 13,199
53 1,590 13,334
54 1,620 14,526
55 1,650 15,242
56 1,680 15,398
57 1,710 16,775
58 1,740 17,603
59 1,770 17,783
60 1,800 19,373
61 1,830 20,328
62 1,860 20,536
63 1,890 22,373
64 1,920 23,476
65 1,950 23,716
66 1,980 25,837
67 2,010 27,111
68 2,040 27,388
69 2,070 29,838
70 2,100 31,309
71 2,130 31,629
72 2,160 34,458
73 2,190 36,157
74 2,220 36,527
75 2,250 39,794
76 2,280 41,756
77 2,310 42,183
78 2,340 45,956
79 2,370 48,222
80 2,400 48,715
81 2,430 53,072
82 2,460 55,689
83 2,490 56,258
84 2,520 61,290
85 2,550 64,312
86 2,580 64,970
87 2,610 70,780
88 2,640 74,271
89 2,670 75,030
90 2,700 81,740
91 2,730 85,771
92 2,760 86,648
93 2,790 94,398
94 2,820 99,053
95 2,850 100,066
96 2,880 109,015
97 2,910 114,391
98 2,940 115,561
99 2,970 125,895
100 3,000 132,104
101 3,030 133,455
102 3,060 145,390
103 3,090 152,560
104 3,120 154,120
105 3,150 167,903
Flare Duration [Expand]
Upgrade Level Flare Duration Azurite
0 14 0
1 15 77
2 16 166
3 17 309
4 18 467
5 19 635
6 20 1,046
7 21 1,246
8 22 1,423
9 23 1,859
10 24 1,973


Instances

When a character enters the Azurite Mine, the game will normally spawn a new instance covering a 5x5 grid area around the character's location. If the instance is for a delve, it will always contain the full path that the delve will follow.

If a player currently has a mine instance created, the game will create a new instance and load the character into that instance in the following circumstances:

  • The character teleports to a node outside the current instance.
  • The player creates a delve that does not start at the Crawler's current location.
  • The player creates a delve to an uncleared node outside the current instance.

Otherwise, the character will continue to use the current instance.

When a party leader creates a new mine instance, a portal to the instance will spawn for the other characters in the party to follow. If the party leader's character dies inside the instance, the portal's destination will move to the point where the character died.

Ordinarily, a character can always safely return to the same instance (rather than creating a new one) if the player clicks on the "Visit: The Mine" icon in the upper left corner of the Subterranean Chart. However, a solo player whose character dies in an instance can never return to that instance. That means that all items in the instance are lost.

Hidden Loot

Fossil Remains in darkness

The mines contain many small containers of loot, often hidden away in dark side areas along a path. These containers faintly sparkle, but their names do not display unless a character moves close to them.

They can contain items, fossils, resonators, flares, dynamite charges, or Azurite.

Fractured walls and hidden paths

Fractured Wall
Fractured Wall Mini-map Icon with Hidden Room

Some nodes on the Subterranean Chart will have no paths shown leading to them. This means that the path to that node is hidden. These hidden paths are blocked by a fractured wall somewhere in the darkness along a side route from a nearby node. Destroying this fractured wall will permanently reveal the path to the hidden node on the Subterranean Chart, and the player can now start a delve to the previously-isolated node.

In addition, normal paths can contain fractured walls leading to hidden side areas containing monsters and loot containers.

Fractured walls and the areas behind them will not normally appear on the minimap. However, if a character moves close enough, an icon will appear in the player's minimap for as long as the character remains in range. Fractured walls can be destroyed using dynamite. A dynamite charge will destroy any fractured wall within its blast radius.

Dynamite

Dynamite is a consumable item used to destroy fractured walls. When used, a dynamite charge will detonate after a brief delay. The detonation will destroy any fractured wall within its blast radius, and deal area-of-effect damage to monsters within the blast radius.

Dynamite can be purchased using Azurite, or found in Dynamite Caches during Delves.

A character can only carry 3 dynamite charges at first. The player can upgrade the character's maximum dynamite capacity, dynamite blast radius, and dynamite area-of-effect damage at the Voltaxic Generator using Azurite.

Dynamite Carrying Capacity [Expand]
Upgrade Level Dynamite Azurite
0 2 0
1 3 70
2 4 214
3 5 586
4 6 1,386
5 7 2,050
Dynamite Damage [Expand]
Upgrade Level Dynamite damage Azurite
0 0 0
1 15 96
2 40 203
3 75 366
4 100 520
5 125 763
6 150 1,136
7 175 1,349
8 200 1,661
9 225 2,007
10 250 2,213
Dynamite Blast Radius [Expand]
Upgrade Level Dynamite Radius +% Azurite
0 0 0
1 25 110
2 50 419
3 75 872
4 100 1,437
5 125 1,899

Finding hidden paths to isolated nodes

To find hidden paths more easily, use the following rules:

  • A node will almost always have 1, 3, or 4 paths connecting to it. A node with exactly 2 connecting paths only occurs occasionally, when the mine layout generator tries to create a path that is too long. [2] This means that if a node is shown on the Subterranean Chart with exactly 2 paths leading from it, that node will nearly always have a fractured wall blocking a third, hidden path to a nearby isolated node.
  • It is possible, though rare, for an apparent dead-end node -- a node with only one visible path connecting to it -- to have two hidden paths leading to two different nearby isolated nodes. [3]
  • Paths never overlap with each other, and they never intersect (other than at nodes). If the space between a visible node and a nearby isolated node is already occupied by a path, there cannot be a hidden path between those nodes.
  • A node cannot have more than one path leading away in a given cardinal direction. If there is already a visible path heading in one direction from a node, there cannot be a hidden path heading in that same direction.
  • Fractured walls can only appear in grid spaces not occupied by a node. If two nodes are in adjacent grid spaces, there cannot be a fractured wall along the short path between them.
  • There will always be at least one fractured wall in grids that do not contain checkpoints. [citation needed]

Biomes

Different areas of the Azurite Mine contain different biomes, shown with different colors on the Subterranean Chart. Different biomes have different appearances, different monsters, different possible encounters, and different common fossil drops. Rarely, a city biome will spawn, which contains better loot and rarely, a special boss; but these biomes contain more numerous and difficult monsters as well.

Image Biome Map Icon Fossils by Rarity Minimum Depth
Depth Weight
Azurite Mine area screenshot.jpg Mines Delve Biome Mines.png Metallic FossilMetallic FossilStack Size: 20More Lightning modifiers
No Physical modifiers
Place in a Resonator to influence item crafting.
Shift click to unstack.
, Serrated FossilSerrated FossilStack Size: 20More Attack modifiers
Fewer Caster modifiers
Place in a Resonator to influence item crafting.
Shift click to unstack.
, Pristine FossilPristine FossilStack Size: 20More Life modifiers
No Defence modifiers
Place in a Resonator to influence item crafting.
Shift click to unstack.
, Aetheric FossilAetheric FossilStack Size: 20More Caster modifiers
Fewer Attack modifiers
Place in a Resonator to influence item crafting.
Shift click to unstack.
0 100
40 100
65 0
Fungal Caverns area screenshot.jpg Fungal Caverns Delve Biome Fungal Caverns.png Dense FossilDense FossilStack Size: 20More Defence modifiers
No Life Modifiers
Place in a Resonator to influence item crafting.
Shift click to unstack.
, Aberrant FossilAberrant FossilStack Size: 20More Chaos modifiers
No Lightning modifiers
Place in a Resonator to influence item crafting.
Shift click to unstack.
, Perfect FossilPerfect FossilStack Size: 20Improved QualityPlace in a Resonator to influence item crafting.
Shift click to unstack.
, Corroded FossilCorroded FossilStack Size: 20More Physical Ailment or Chaos Ailment modifiers
No Elemental modifiers
Place in a Resonator to influence item crafting.
Shift click to unstack.
, Gilded FossilGilded FossilStack Size: 10Item is overvalued by vendorsPlace in a Resonator to influence item crafting.
Shift click to unstack.
4 0
20 100
Petrified Forest area screenshot.jpg Petrified Forest Delve Biome Petrified Forest.png Bound FossilBound FossilStack Size: 20More Minion, Aura or Curse modifiersPlace in a Resonator to influence item crafting.
Shift click to unstack.
, Jagged FossilJagged FossilStack Size: 20More Physical modifiers
No Chaos modifiers
Place in a Resonator to influence item crafting.
Shift click to unstack.
, Corroded FossilCorroded FossilStack Size: 20More Physical Ailment or Chaos Ailment modifiers
No Elemental modifiers
Place in a Resonator to influence item crafting.
Shift click to unstack.
, Sanctified FossilSanctified FossilStack Size: 10Numeric modifier values are lucky
High Level modifiers are more common
Place in a Resonator to influence item crafting.
Shift click to unstack.
4 0
20 100
Abyssal Depths (Delve) area screenshot.jpg Abyssal Depths Delve Biome Abyssal Depths.png Aberrant FossilAberrant FossilStack Size: 20More Chaos modifiers
No Lightning modifiers
Place in a Resonator to influence item crafting.
Shift click to unstack.
, Bound FossilBound FossilStack Size: 20More Minion, Aura or Curse modifiersPlace in a Resonator to influence item crafting.
Shift click to unstack.
, Gilded FossilGilded FossilStack Size: 10Item is overvalued by vendorsPlace in a Resonator to influence item crafting.
Shift click to unstack.
, Lucent FossilLucent FossilStack Size: 20More Mana modifiers
No Speed modifiers
Place in a Resonator to influence item crafting.
Shift click to unstack.
10 0
25 100
Frozen Hollow area screenshot.jpg Frozen Hollow Delve Biome Frozen Hollow.png Frigid FossilFrigid FossilStack Size: 20More Cold modifiers
No Fire modifiers
Place in a Resonator to influence item crafting.
Shift click to unstack.
, Serrated FossilSerrated FossilStack Size: 20More Attack modifiers
Fewer Caster modifiers
Place in a Resonator to influence item crafting.
Shift click to unstack.
, Prismatic FossilPrismatic FossilStack Size: 20More Elemental modifiers
No Physical Ailment or Chaos Ailment modifiers
Place in a Resonator to influence item crafting.
Shift click to unstack.
, Sanctified FossilSanctified FossilStack Size: 10Numeric modifier values are lucky
High Level modifiers are more common
Place in a Resonator to influence item crafting.
Shift click to unstack.
200 0
40 100
Magma Fissure area screenshot.jpg Magma Fissure Delve Biome Magma Fissure.png Scorched FossilScorched FossilStack Size: 20More Fire modifiers
No Cold modifiers
Place in a Resonator to influence item crafting.
Shift click to unstack.
, Prismatic FossilPrismatic FossilStack Size: 20More Elemental modifiers
No Physical Ailment or Chaos Ailment modifiers
Place in a Resonator to influence item crafting.
Shift click to unstack.
, Pristine FossilPristine FossilStack Size: 20More Life modifiers
No Defence modifiers
Place in a Resonator to influence item crafting.
Shift click to unstack.
, Deft FossilDeft FossilStack Size: 20More Critical modifiers
No Attribute modifiers
Place in a Resonator to influence item crafting.
Shift click to unstack.
, Fundamental FossilFundamental FossilStack Size: 20More Attribute modifiers
No Critical modifiers
Place in a Resonator to influence item crafting.
Shift click to unstack.
30 0
50 100
Sulphur Vents (Delve) area screenshot.jpg Sulphur Vents Delve Biome Sulfur Vents.png Metallic FossilMetallic FossilStack Size: 20More Lightning modifiers
No Physical modifiers
Place in a Resonator to influence item crafting.
Shift click to unstack.
, Perfect FossilPerfect FossilStack Size: 20Improved QualityPlace in a Resonator to influence item crafting.
Shift click to unstack.
, Aetheric FossilAetheric FossilStack Size: 20More Caster modifiers
Fewer Attack modifiers
Place in a Resonator to influence item crafting.
Shift click to unstack.
, Fundamental FossilFundamental FossilStack Size: 20More Attribute modifiers
No Critical modifiers
Place in a Resonator to influence item crafting.
Shift click to unstack.
55 0
75 100


Vaal Outpost Delve Biome Vaal Outpost.png Unknown 22 0
83 12
600 18
Abyssal City Delve Biome Abyssal City.png Unknown 82 0
83 4
220 12
600 18
Primeval Ruins Unknown 210 0
220 4
600 12

Weights

Current theory[guesswork?] on weights:

The weight is scaled between the lower and upper entries based on current delve depth. See the table below for data mined values.

Example [Expand]
Depth Weight
50 0
100 100

If your character is below or at depth 50, the biome will not spawn.

If your character is between 50 and 100, the biome will spawn and the weight will increase accordingly;

Depth 51, 2 weight
Depth 52, 4 weight
...
Depth 99, 98 weight
Depth 100, 100 weight

If your character is below depth 100, the biome will always have a weight of 100

Bosses

A city biome may contain a special boss. Each boss can only spawn below a certain minimum depth.

Boss Biome Depth
Ahuatotli, the Blind Vaal Outpost 35
Kurgal, the Blackblooded Abyssal City 110
Aul, the Crystal King Primeval Ruins 145

Minor bosses

There are other minor unique bosses for other Delve nodes, such as:

Boss Node Biome
Miner's Grip Awoken Giant Haunted Tomb Fungal Caverns
Gehennix Molten Cavity Magma Fissure
Priest of the Blood Covenant Stonewood Hollow Petrified Forest
Petrification Statue Humid Fissure Sulphur Vents
6 rogue exile Smuggler's Stash any biome
Amplifier Defender Abandoned Amplifier Mines
Captain Stuart "Stab-First" Grenn Frigid Recess Frozen Hollow
Magmatic Golem Restless Rubble (Magma Fissure version only) Magma Fissure
golem Restless Rubble any other biome
Primordial Beast Beast Burrow Fungal Caverns
Lion of the Tunnels or
Gorgol Terror or
Blackhowl, Prime Stalker
Azurite Fissure
Diabolic Whisperer Necromancer's Excavation Abyssal Depths or Fungal Caverns
Diabolic Whisperer Grim Copse Petrified Forest

Nodes

Biome Specific Nodes: source: wiki editor's observation and poedb[4]

Icon Node name Description Biome Footnotes
Fossils delve node icon.png Haunted Tomb Contains Fossils Fungal Caverns only Contains Tangled FossilTangled FossilStack Size: 10Makes a random modifier type much more likely and prevents
another random modifier type. Effects revealed once resonator is
fully socketed.
Place in a Resonator to influence item crafting.
Shift click to unstack.
Fossils delve node icon.png Stonewood Hollow Contains Fossils Petrified Forest only Contains Bloodstained FossilBloodstained FossilStack Size: 10Corrupted
Has a Corrupted implicit modifier
Place in a Resonator to influence item crafting.
Shift click to unstack.
Fossils delve node icon.png Crystal Spire Contains Fossils Abyssal Depths only Contains Hollow FossilHollow FossilStack Size: 10Has an Abyssal socketPlace in a Resonator to influence item crafting.
Shift click to unstack.
Fossils delve node icon.png Time-Lost Cavern Contains Fossils Frozen Hollow only Contains Glyphic FossilGlyphic FossilStack Size: 10Has a Corrupt Essence modifierPlace in a Resonator to influence item crafting.
Shift click to unstack.
Fossils delve node icon.png Molten Cavity Contains Fossils Magma Fissure only Contains Faceted FossilFaceted FossilStack Size: 10More Gem modifiersPlace in a Resonator to influence item crafting.
Shift click to unstack.
Fossils delve node icon.png Humid Fissure Contains Fossils Sulphur Vents only Contains Fractured FossilFractured FossilStack Size: 10Creates a split copy. Cannot be used to split Influenced,
Enchanted, Fractured, or Synthesised items.
Place in a Resonator to influence item crafting.
Shift click to unstack.
Ruined Chamber delve node icon.png Ruined Chamber Contents Unknown Vaal Outpost only Contains Vaal Ruined Chamber which has multiple loot containers and crafting bench recipe
The Grand Architect's Temple delve node icon.png The Grand Architect's Temple Contents Unknown Vaal Outpost only Contains Ahuatotli, the Blind.
Abyss delve node icon.png Haunted Remains Contains Abyss Items Abyssal Depths only Haunted Remains has generic drop version
Abyss delve node icon.png Unspeakable Shrine Contains Abyss Items Abyssal Depths only
Abyssal Chamber delve node icon.png Abyssal Chamber Contents Unknown Abyssal City only Contains Abyssal Chamber which has multiple loot containers and crafting bench recipe
The Lich's Tomb delve node icon.png The Lich's Tomb Contents Unknown Abyssal City only Contains Kurgal, the Blackblooded.
Primeval Chamber delve node icon.png Primeval Chamber Contents Unknown Primeval Ruins only Contains Primeval Chamber which has multiple loot containers and crafting bench recipe
The Crystal King's Throne delve node icon.png The Crystal King's Throne Contents Unknown Primeval Ruins only Contains Aul, the Crystal King.
Perandus delve node icon.png Prospero's Deposit Contents Unknown Magma Fissure only Contains Perandus CoinsPerandus CoinStack Size: 5000Trade coins to Cadiro Perandus.
Shift click to unstack.
.
Bestiary delve node icon.png Echoing Lair Contains Animalistic items Fungal Caverns only Contains beasts as bosses
Talisman delve node icon.png Ritual Grounds Contains Talismans Petrified Forest only Contains Talisman-possessed monsters are bosses
Essence delve node icon.png Frigid Recess Contains Essences Frozen Hollow only Frigid Recess has generic drop version
Fire Warband delve node icon.png Redblade Retreat or
Redblade Base
Contains Fire Items Magma Fissure only Contains Redblade Warbands as bosses.
Cold Warband delve node icon.png Mutewind Retreat or
Mutewind Base
Contains Cold Items Frozen Hollow only Contains Mutewind Warbands as bosses
Lightning Warband delve node icon.png Brinerot Retreat or
Brinerot Base
Contains Lightning Items Sulphur Vents only Contains Brinerot Warbands as bosses
Chaos Warband delve node icon.png Renegade Camp Contains Chaos Items Fungal Caverns only Contains Renegades Warbands as bosses
Fire items delve node icon.png Restless Rubble or
Sweltering Burrow
Contains Fire Items Magma Fissure only Both nodes have generic drop versions
Cold items delve node icon.png Restless Rubble or
Frigid Recess
Contains Cold Items Frozen Hollow only Both nodes have generic drop versions
Lightning items delve node icon.png Restless Rubble Contains Lightning Items Sulphur Vents only Restless Rubble has generic drop version
Chaos delve node icon.png Restless Rubble Contains Chaos Items Fungal Caverns only Restless Rubble has generic drop version
Physical items delve node icon.png Nesting Grounds Contains Physical Items Petrified Forest only Nesting Grounds has generic drop version
Curse delve node icon.png Haunted Remains Contains Mana or Curse Items Abyssal Depths only Haunted Remains has generic drop version
Minion aura delve node icon.png Necromancer's Excavation Contains Minion or Aura Items Abyssal Depths or
Fungal Caverns only
Necromancer's Excavation also have generic loot versions
Minion aura delve node icon.png Grim Copse Contains Minion or Aura Items Petrified Forest only Grim Copse also has generic loot version
Minion aura delve node icon.png Beast Burrow Contains Minion or Aura Items Fungal Caverns only Beast Burrow also has generic loot version

Common Nodes:

Icon Node name Description Footnotes
Azurite Cavity delve node icon.png Azurite Cavity Contains Azurite Contains a small amount of Azurite.
Azurite Vault delve node icon.png Azurite Vault Contains Azurite Contains a medium amount of Azurite.
Azurite Fissure delve node icon.png Azurite Fissure Contains Azurite Contains a large amount of Azurite.
Items delve node icon.png variable Contains Items Contains assorted items.
Weapons delve node icon.png variable Contains Weapons
Armour delve node icon.png variable Contains Armour Contains armour: body armour, helmet, boot, glove, etc.
Jewellery delve node icon.png variable Contains Jewellery
Currency delve node icon.png variable Contains Currency Contains base currencies
Gems delve node icon.png variable Contains Gems
Maps delve node icon.png variable Contains Maps
Strongbox delve node icon.png Underground Stash Contains Strongboxes
Harbinger delve node icon.png Runed Cavern Contains a Harbinger
Whispering Gallery delve node icon.png Whispering Gallery Contains a Breach
Pulsating Grotto delve node icon.png Pulsating Grotto Contains Monsters from Beyond
Legion delve node icon.png Buried Monolith Contains a Legion encounter
variable Smuggler's Stash variable Contains generic loots
Fossils delve node icon.png Smuggler's Stash Contains Fossils Contains less valuable generic fossils only


Depth Scaling [Expand]

Sulphite cost caps at 1100 at depth 890 and beyond.

There is additional scaling starting at depth 1600, which caps out at around depth 2586.

Depth Monster
Level
Base
Sulphite
Cost
Darkness
Resistance &
Light
Radius
More
Monster
Life
More
Monster
Damage
1 34 21 0 0 0
2 35 24 0 0 0
3 36 24 -2 0 0
4 37 24 -4 0 0
5 38 27 -6 0 0
6 39 27 -8 0 0
7 40 28 -10 0 0
8 41 29 -12 0 0
9 42 29 -14 0 0
10 43 29 -16 0 0
11 44 29 -18 0 0
12 45 31 -20 0 0
13 46 34 -22 0 0
14 47 37 -24 0 0
15 48 37 -26 0 0
16 49 37 -28 0 0
17 50 39 -30 0 0
18 51 40 -32 0 0
19 52 41 -34 0 0
20 53 43 -36 0 0
21 54 43 -38 0 0
22 55 45 -40 0 0
23 56 47 -42 0 0
24 57 47 -44 0 0
25 58 49 -46 0 0
26 59 51 -48 0 0
27 60 51 -50 0 0
28 61 53 -52 0 0
29 62 55 -54 0 0
30 63 55 -56 0 0
31 64 57 -58 0 0
32 65 59 -60 0 0
33 66 61 -62 0 0
34 67 62 -64 0 0
35 68 77 -66 0 0
36 68 77 -68 0 0
37 68 77 -70 0 0
38 68 77 -72 0 0
39 69 77 -74 0 0
40 69 77 -76 0 0
41 69 112 -78 0 0
42 69 112 -80 0 0
43 70 112 -82 0 0
44 70 112 -84 0 0
45 70 112 -86 0 0
46 70 112 -88 0 0
47 71 147 -90 0 0
48 71 147 -92 0 0
49 71 147 -94 0 0
50 71 147 -96 0 0
51 72 147 -98 0 0
52 72 147 -100 0 0
53 72 182 -102 0 0
54 72 182 -104 0 0
55 73 182 -106 0 0
56 73 182 -108 0 0
57 73 182 -110 0 0
58 73 182 -112 0 0
59 74 217 -114 0 0
60 74 217 -116 0 0
61 74 217 -118 0 0
62 74 217 -120 0 0
63 74 217 -122 0 0
64 75 217 -124 0 0
65 75 253 -126 0 0
66 75 253 -128 0 0
67 75 253 -130 0 0
68 75 253 -132 0 0
69 76 253 -134 0 0
70 76 253 -136 0 0
71 76 253 -138 0 0
72 76 253 -140 0 0
73 76 253 -142 0 0
74 77 288 -144 0 0
75 77 288 -146 0 0
76 77 288 -148 0 0
77 77 288 -150 0 0
78 77 288 -152 0 0
79 77 288 -154 0 0
80 77 288 -156 0 0
81 78 288 -158 0 0
82 78 288 -160 0 0
83 78 323 -162 0 0
84 78 323 -164 0 0
85 78 323 -166 0 0
86 78 323 -168 0 0
87 78 323 -170 0 0
88 78 323 -172 0 0
89 78 323 -174 0 0
90 79 323 -176 0 0
91 79 323 -178 0 0
92 79 358 -180 0 0
93 79 358 -182 0 0
94 79 358 -184 0 0
95 79 358 -186 0 0
96 79 358 -188 0 0
97 79 358 -190 0 0
98 79 358 -192 0 0
99 79 358 -194 0 0
100 79 358 -196 0 0
101 80 393 -198 0 0
102 80 393 -200 0 0
103 80 393 -202 0 0
104 80 393 -204 0 0
105 80 393 -206 0 0
106 80 393 -208 0 0
107 80 393 -209 0 0
108 80 393 -210 0 0
109 80 393 -211 0 0
110 80 429 -212 0 0
111 80 429 -213 0 0
112 80 429 -214 0 0
113 80 429 -215 0 0
114 81 429 -216 0 0
115 81 429 -217 0 0
116 81 429 -218 0 0
117 81 429 -219 0 0
118 81 429 -220 0 0
119 81 429 -221 0 0
120 81 429 -222 0 0
121 81 429 -223 0 0
122 81 482 -224 0 0
123 81 482 -225 0 0
124 81 482 -226 0 0
125 81 482 -227 0 0
126 81 482 -228 0 0
127 81 482 -229 0 0
128 81 482 -230 0 0
129 82 482 -231 0 0
130 82 482 -232 0 0
131 82 482 -233 0 0
132 82 482 -234 0 0
133 82 482 -235 0 0
134 82 536 -236 0 0
135 82 536 -237 0 0
136 82 536 -238 0 0
137 82 536 -239 0 0
138 82 536 -240 0 0
139 82 536 -241 0 0
140 82 536 -242 0 0
141 82 536 -243 0 0
142 82 536 -244 0 0
143 82 536 -245 0 0
144 82 536 -246 0 0
145 83 536 -247 0 0
146 83 589 -248 10 1
147 83 589 -249 11 1
148 83 589 -250 11 1
149 83 589 -251 12 1
150 83 589 -252 12 1
151 83 589 -253 13 1
152 83 589 -254 14 1
153 83 589 -255 14 1
154 83 589 -256 15 1
155 83 589 -257 15 1
156 83 589 -258 15 1
157 83 589 -259 16 1
158 83 589 -260 16 1
159 83 643 -261 17 1
160 83 643 -262 17 1
161 83 643 -263 18 1
162 83 643 -264 18 1
163 83 643 -265 19 1
164 83 643 -266 19 1
165 83 643 -267 20 1
166 83 643 -268 20 1
167 83 643 -269 21 1
168 83 643 -270 21 1
169 83 643 -271 22 1
170 83 643 -272 23 1
171 83 697 -273 23 1
172 83 697 -274 24 1
173 83 697 -275 24 1
174 83 697 -276 25 1
175 83 697 -277 26 1
176 83 697 -278 26 1
177 83 698 -279 27 1
178 83 698 -280 28 1
179 83 699 -281 28 1
180 83 699 -282 29 1
181 83 700 -283 30 1
182 83 700 -284 30 1
183 83 701 -285 31 1
184 83 701 -286 32 1
185 83 702 -287 32 1
186 83 702 -288 33 1
187 83 703 -289 34 1
188 83 703 -290 35 1
189 83 704 -291 35 1
190 83 704 -292 36 1
191 83 705 -293 37 1
192 83 705 -294 38 1
193 83 706 -295 38 2
194 83 706 -296 39 2
195 83 707 -297 40 2
196 83 707 -298 41 2
197 83 708 -299 42 2
198 83 708 -300 43 2
199 83 709 -301 43 2
200 83 709 -302 44 2
201 83 710 -303 45 2
202 83 710 -304 46 2
203 83 711 -305 47 2
204 83 711 -306 48 2
205 83 712 -307 49 2
206 83 712 -308 50 2
207 83 713 -309 51 2
208 83 713 -310 52 2
209 83 714 -311 53 2
210 83 714 -312 53 2
211 83 715 -313 54 2
212 83 715 -314 55 2
213 83 716 -315 56 2
214 83 716 -316 57 2
215 83 717 -317 58 2
216 83 717 -318 59 2
217 83 718 -319 60 2
218 83 718 -320 62 2
219 83 719 -321 63 2
220 83 719 -322 64 2
221 83 720 -323 65 2
222 83 720 -324 66 2
223 83 721 -325 67 2
224 83 721 -326 68 2
225 83 722 -327 69 2
226 83 722 -328 70 2
227 83 723 -329 71 3
228 83 723 -330 72 3
229 83 724 -331 74 3
230 83 724 -332 75 3
231 83 725 -333 76 3
232 83 725 -334 77 3
233 83 726 -335 78 3
234 83 726 -336 79 3
235 83 727 -337 81 3
236 83 727 -338 82 3
237 83 728 -339 83 3
238 83 728 -340 84 3
239 83 729 -341 85 3
240 83 729 -342 87 3
241 83 730 -343 88 3
242 83 730 -344 89 3
243 83 731 -345 91 3
244 83 731 -346 92 3
245 83 732 -347 93 3
246 83 732 -348 94 3
247 83 733 -349 96 3
248 83 733 -350 97 3
249 83 734 -351 98 3
250 83 734 -352 100 4
251 83 735 -353 101 4
252 83 735 -354 102 4
253 83 736 -355 104 4
254 83 736 -356 105 4
255 83 737 -357 107 4
256 83 737 -358 108 4
257 83 738 -359 109 4
258 83 738 -360 111 4
259 83 739 -361 112 4
260 83 740 -362 114 4
261 83 740 -363 115 4
262 83 741 -364 117 4
263 83 741 -365 118 4
264 83 742 -366 120 4
265 83 742 -367 121 4
266 83 743 -368 123 4
267 83 743 -369 124 4
268 83 744 -370 126 4
269 83 744 -371 127 5
270 83 745 -372 129 5
271 83 745 -373 130 5
272 83 746 -374 132 5
273 83 746 -375 133 5
274 83 747 -376 135 5
275 83 747 -377 136 5
276 83 748 -378 138 5
277 83 748 -379 140 5
278 83 749 -380 141 5
279 83 749 -381 143 5
280 83 750 -382 145 5
281 83 750 -383 146 5
282 83 751 -384 148 5
283 83 752 -385 149 5
284 83 752 -386 151 5
285 83 753 -387 153 5
286 83 753 -388 155 6
287 83 754 -389 156 6
288 83 754 -390 158 6
289 83 755 -391 160 6
290 83 755 -392 161 6
291 83 756 -393 163 6
292 83 756 -394 165 6
293 83 757 -395 167 6
294 83 757 -396 168 6
295 83 758 -397 170 6
296 83 758 -398 172 6
297 83 759 -399 174 6
298 83 759 -400 176 6
299 83 760 -401 177 6
300 83 760 -402 179 6
301 83 761 -403 181 7
302 83 762 -404 183 7
303 83 762 -405 185 7
304 83 763 -406 187 7
305 83 763 -407 188 7
306 83 764 -408 190 7
307 83 764 -409 192 7
308 83 765 -410 194 7
309 83 765 -411 196 7
310 83 766 -412 198 7
311 83 766 -413 200 7
312 83 767 -414 202 7
313 83 767 -415 204 7
314 83 768 -416 206 8
315 83 769 -417 208 8
316 83 769 -418 210 8
317 83 770 -419 212 8
318 83 770 -420 214 8
319 83 771 -421 216 8
320 83 771 -422 218 8
321 83 772 -423 220 8
322 83 772 -424 222 8
323 83 773 -425 224 8
324 83 773 -426 226 8
325 83 774 -427 228 8
326 83 774 -428 230 8
327 83 775 -429 232 9
328 83 776 -430 234 9
329 83 776 -431 236 9
330 83 777 -432 238 9
331 83 777 -433 240 9
332 83 778 -434 243 9
333 83 778 -435 245 9
334 83 779 -436 247 9
335 83 779 -437 249 9
336 83 780 -438 251 9
337 83 780 -439 253 9
338 83 781 -440 256 10
339 83 782 -441 258 10
340 83 782 -442 260 10
341 83 783 -443 262 10
342 83 783 -444 264 10
343 83 784 -445 267 10
344 83 784 -446 269 10
345 83 785 -447 271 10
346 83 785 -448 273 10
347 83 786 -449 276 10
348 83 786 -450 278 10
349 83 787 -451 280 11
350 83 788 -452 283 11
351 83 788 -453 285 11
352 83 789 -454 287 11
353 83 789 -455 290 11
354 83 790 -456 292 11
355 83 790 -457 294 11
356 83 791 -458 297 11
357 83 791 -459 299 11
358 83 792 -460 301 11
359 83 793 -461 304 11
360 83 793 -462 306 12
361 83 794 -463 309 12
362 83 794 -464 311 12
363 83 795 -465 313 12
364 83 795 -466 316 12
365 83 796 -467 318 12
366 83 796 -468 321 12
367 83 797 -469 323 12
368 83 798 -470 326 12
369 83 798 -471 328 12
370 83 799 -472 331 13
371 83 799 -473 333 13
372 83 800 -474 336 13
373 83 800 -475 338 13
374 83 801 -476 341 13
375 83 801 -477 343 13
376 83 802 -478 346 13
377 83 803 -479 348 13
378 83 803 -480 351 13
379 83 804 -481 354 14
380 83 804 -482 356 14
381 83 805 -483 359 14
382 83 805 -484 361 14
383 83 806 -485 364 14
384 83 807 -486 367 14
385 83 807 -487 369 14
386 83 808 -488 372 14
387 83 808 -489 375 14
388 83 809 -490 377 15
389 83 809 -491 380 15
390 83 810 -492 383 15
391 83 811 -493 385 15
392 83 811 -494 388 15
393 83 812 -495 391 15
394 83 812 -496 394 15
395 83 813 -497 396 15
396 83 813 -498 399 15
397 83 814 -499 402 16
398 83 814 -500 405 16
399 83 815 -501 407 16
400 83 816 -501 410 16
401 83 816 -502 413 16
402 83 817 -502 416 16
403 83 817 -503 418 16
404 83 818 -503 421 16
405 83 818 -504 424 16
406 83 819 -504 427 17
407 83 820 -505 430 17
408 83 820 -505 433 17
409 83 821 -506 436 17
410 83 821 -506 438 17
411 83 822 -507 441 17
412 83 822 -507 444 17
413 83 823 -508 447 17
414 83 824 -508 450 18
415 83 824 -509 453 18
416 83 825 -509 456 18
417 83 825 -510 459 18
418 83 826 -510 462 18
419 83 827 -511 465 18
420 83 827 -511 468 18
421 83 828 -512 471 18
422 83 828 -512 474 19
423 83 829 -513 477 19
424 83 829 -513 480 19
425 83 830 -514 483 19
426 83 831 -514 486 19
427 83 831 -515 489 19
428 83 832 -515 492 19
429 83 832 -516 495 19
430 83 833 -516 498 20
431 83 834 -517 501 20
432 83 834 -517 504 20
433 83 835 -518 507 20
434 83 835 -518 510 20
435 83 836 -519 514 20
436 83 836 -519 517 20
437 83 837 -520 520 21
438 83 838 -520 523 21
439 83 838 -521 526 21
440 83 839 -521 529 21
441 83 839 -522 532 21
442 83 840 -522 536 21
443 83 841 -523 539 21
444 83 841 -523 542 21
445 83 842 -524 545 22
446 83 842 -524 549 22
447 83 843 -525 552 22
448 83 843 -525 555 22
449 83 844 -526 558 22
450 83 845 -526 562 22
451 83 845 -527 565 22
452 83 846 -527 568 23
453 83 846 -528 571 23
454 83 847 -528 575 23
455 83 848 -529 578 23
456 83 848 -529 581 23
457 83 849 -530 585 23
458 83 849 -530 588 23
459 83 850 -531 591 24
460 83 851 -531 595 24
461 83 851 -532 598 24
462 83 852 -532 601 24
463 83 852 -533 605 24
464 83 853 -533 608 24
465 83 854 -534 612 24
466 83 854 -534 615 25
467 83 855 -535 618 25
468 83 855 -535 622 25
469 83 856 -536 625 25
470 83 857 -536 629 25
471 83 857 -537 632 25
472 83 858 -537 636 26
473 83 858 -538 639 26
474 83 859 -538 643 26
475 83 860 -539 646 26
476 83 860 -539 650 26
477 83 861 -540 653 26
478 83 861 -540 657 26
479 83 862 -541 660 27
480 83 863 -541 664 27
481 83 863 -542 667 27
482 83 864 -542 671 27
483 83 864 -543 675 27
484 83 865 -543 678 27
485 83 866 -544 682 28
486 83 866 -544 685 28
487 83 867 -545 689 28
488 83 867 -545 693 28
489 83 868 -546 696 28
490 83 869 -546 700 28
491 83 869 -547 704 28
492 83 870 -547 707 29
493 83 870 -548 711 29
494 83 871 -548 715 29
495 83 872 -549 718 29
496 83 872 -549 722 29
497 83 873 -550 726 29
498 83 874 -550 729 30
499 83 874 -551 733 30
500 83 875 -551 737 30

More...

Version history

Version Changes
3.16.0
  • The difficulty of Delve encounters now scales much faster. The difficulty of encounters at depth 500 is now roughly equivalent to the previous difficulty of depth 1,000 encounters. Depth 1,500 encounters are now roughly equivalent to the previous difficulty of depth 6,000 encounters.
  • The availability of rewards from Delve also now scales much faster, with the intention that progressing deeper into the Azurite Mine is more rewarding than equivalent depths previously were. For example, depth 500 is now more rewarding than depth 1,000 was previously.
  • As a result of these changes, the Azurite Mine has been reset in Permanent Leagues. Niko has drilled a mineshaft to the deepest level Delve encounter previously completed in that league to pick up where you left off. This change does not affect gathered Azurite or Sulphite, or upgrades you have purchased at the Voltaxic Generator.
  • Previously-acquired Delve depth and solo depth has been wiped from the Permanent League ladders. To get back on the ladder, just keep playing Delve from whatever level you can handle.
  • City Biomes in the Azurite Mine are now more common and can appear in earlier depths, but are now smaller on average.
  • City Biomes can no longer spawn without Delve nodes.
  • We've also introduced new Delve Biome modifiers, and allowed Delve Biome modifiers to spawn below depth 6,000.
  • The Area Level of the Azurite Mine now scales slightly faster, reaching Area Level 83 at depth 145 (previously depth 171).
  • Niko's mineshaft can now drill deeper into the Azurite Mine, up to depth 101 by Character Level 90.
  • Delve encounters now contain fewer chests, though each chest is now more likely to drop interesting rewards.
  • Increased the base Sulphite Capacity to 1,200 (previously 600), scaling up to 6,400 Capacity after six upgrades (unchanged).
  • The damage dealt by the Darkness based on player Life and Energy Shield has been roughly halved. The flat damage per Darkness stack now scales with depth, up to a cap at around depth 1,000. For an example of the impact this has, a character with 6,000 Life would take less damage from the Darkness than previously at depths below about 500, and take approximately 50% more damage from the Darkness at depth 1,000 and greater. A character with extremely low amounts of Life could take as much as ten times the Darkness damage it previously did at depth 1,000.
  • Introduced a new type of Spider enemy that drops from the ceiling and uses Flicker StrikeFlicker StrikeAttack, Melee, Strike, Movement, Duration
    Level: (1-20)
    Cost: 10 Mana
    Cooldown Time: 2.00 sec
    Can Store 1 Use(s)
    Attack Speed: 120% of base
    Attack Damage: (142-210)% of base
    Effectiveness of Added Damage: (142-210)%
    Requires Level 10Teleports the character to a nearby monster and attacks with a melee weapon. If no specific monster is targeted, one is picked at random. Grants a buff that increases movement speed for a duration. The cooldown can be bypassed by expending a Frenzy Charge.Per 1% Quality:1Superior2Anomalous3Divergent0.25% chance to gain a Frenzy Charge on Hit3% increased Cooldown Recovery Rate1% increased teleport range10% increased Attack Speed per Frenzy Charge
    15% chance to gain a Frenzy Charge on Hit
    Buff grants 20% increased Movement Speed
    Base duration is 3 seconds
    Place into an item socket of the right colour to gain this skill. Right click to remove from a socket.
    Flicker Strike skill icon.png
  • Monsters in Darkness status icon.pngDarkness now attack players from 50 units away (previously 20).
  • Assorted changes to monster-specific behavior (refer to actual patch notes for these).
3.13.0
  • Maps dropped by special sources such as deterministic chests or league rewards like those found in the Azurite Mine or the Temple of Atzoatl now use your own Atlas to determine which maps to drop, and can therefore drop maps that have been raised above their base tier due to the presence of Watchstones. Maps dropped from these sources now also take into account your Favourite Map selections. If a source such as this cannot find a compatible map from your Atlas to drop (for example, due to too few maps being completed and too few watchstones being socketed for a Tier 16 map on your Atlas to drop), it will drop a random map of the correct tier instead.
3.12.4d
  • The Azurite Mine is now capped at Depth Level 65,535.
3.8.0
  • Your Voltaxic Sulphite is now shared across all characters on the same account and in the same league. There is still a hard upper limit of 65000 Sulphite. Characters that are merged to Standard at the end of a league will bring their Sulphite with them, up to whatever your highest maximum Sulphite limit is.
  • The tunnel Niko digs for you based on your character level is now also shared league-wide across all your characters, meaning your highest-level character will determine the depth of Niko's tunnel for all characters. This tunnel will only ever, at most, be 6 levels behind your highest-level character until you reach level 68. Previously, it was 15 levels behind by the time you reach level 68.
  • The rate of level growth for monsters within the Azurite Mine is now faster, requiring significantly fewer depths to hit the maximum monster levels within the Mine. This was because most players progressed through the Atlas faster than the Mine, and the two difficulty levels would quickly become out of sync.
  • As a result of the change to the depth-to-level ratio, the cost of Delves in those interim levels has been increased, but tapers back to the original costs as you get deeper.
  • You can now find Legion encounters and rewards in the Azurite Mine.
3.4.0

References

  1. 1.0 1.1 1.2 Bex_GGG (August 15, 2018). "Delve Frequently Asked Questions". Official Path of Exile Forums. Retrieved August 31, 2018.
  2. https://imgur.com/a/QlG1rxt
  3. https://imgur.com/a/R9maBs0
  4. Chuanhsing. "Delve Biomes /299". poedb. Retrieved September 11, 2021.

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