Frost Bomb

Frost BombSpell, AoE, Duration, Cold, Orb
Level: (1-20)
Cost: (4-16) Mana
Cooldown Time: 2.50 sec
Can Store 1 Use(s)
Cast Time: 0.50 sec
Critical Strike Chance: 6.00%
Effectiveness of Added Damage: (170-310)%Requires Level 4Creates a crystal that pulses with cold for a duration. Each pulse applies a debuff to nearby enemies for a secondary duration which reduces life regeneration rate, and also inflicts Cold Exposure. When the crystal's duration ends, it explodes, dealing heavy cold damage to enemies around it.Deals (9-1391) to (13-2086) Cold Damage
Base duration is 2.00 seconds
Base secondary duration is 5.00 seconds
75% reduced Life Regeneration rate
Base radius is (2.4-3.1) metres
Cold Exposure applies -15% to Cold Resistance

Additional Effects From 1-20% Quality:
(1-20)% increased Cooldown Recovery RatePlace into an item socket of the right colour to gain this skill. Right click to remove from a socket.

Acquisition
Drop level: 5Metadata
Item class: Skill Gem
Metadata ID: Metadata/Items/Gems/SkillGemFrostBomb

Frost Bomb is a cold spell that places an orb that releases pulses which reduce life regeneration, along with applying Cold Exposure. It will rapidly pulse before it explodes, dealing cold damage in an area.

Skill functions and interactions

• Duration: increasing or reducing the duration of Frost Bomb will affect the time it takes for the skill to detonate, as well as the duration of the debuff.

• Negative Resistances: Frost Bomb's Exposure can reduce resistances below 0, making enemies vulnerable to cold damage.

• Hit: just the explosion counts as hit (in terms of Hextouch SupportHextouch SupportSupport, Hex, Trigger
  Icon: &
  Level: (1-20)
  Cost & Reservation Multiplier: 130%Requires Level 38Must support both a skill that hits enemies, and a hex curse skill to work. The hex will be applied when enemies are hit by the other skill. Cannot support totems, traps, or mines. Minions cannot apply hexes this way.Supported Skills apply supported Curses on Hit
  You cannot Cast Supported Curse Spells
  35% less Effect of Supported Curses
  Supported Skills have (50-31)% reduced Curse Duration
  
  Additional Effects From 1-20% Quality:
  Supported Skills have (0.5-10)% increased Curse DurationThis is a Support Gem. It does not grant a bonus to your character, but to skills in sockets connected to it. Place into an item socket connected to a socket containing the Skill Gem you wish to augment. Right click to remove from a socket. for example). The pulses do not.

Gem level progression

Level			Mana Cost	Damage Effectiveness	Cold Damage	Radius	Exp.	Total Exp.
1	4	16	4	170%	9 to 13	2.4m	0	0
2	6	20	5	170%	11 to 16	2.4m	841	841
3	9	27	5	180%	15 to 22	2.5m	3099	3940
4	12	33	6	180%	20 to 30	2.5m	7433	11373
5	16	41	7	190%	29 to 44	2.5m	22895	34268
6	20	50	7	190%	41 to 62	2.6m	49725	83993
7	24	58	8	200%	57 to 86	2.6m	95714	179707
8	28	67	9	210%	79 to 118	2.7m	169595	349302
9	32	75	10	220%	106 to 160	2.7m	283759	633061
10	36	83	10	230%	143 to 214	2.7m	453996	1087057
11	40	92	11	230%	190 to 285	2.8m	703128	1790185
12	44	100	12	240%	252 to 377	2.8m	1061223	2851408
13	48	109	12	250%	331 to 496	2.8m	2065870	4917278
14	52	117	13	260%	433 to 650	2.9m	2507110	7424388
15	55	123	14	270%	529 to 793	2.9m	2573731	9998119
16	58	130	14	280%	644 to 966	3m	7611351	17609470
17	61	136	15	290%	782 to 1174	3m	13437908	31047378
18	64	142	15	290%	949 to 1424	3m	25052147	56099525
19	67	148	16	300%	1150 to 1725	3.1m	43869436	99968961
20	70	155	16	310%	1391 to 2086	3.1m	242081178	342050139
21	72	159	17	310%	1577 to 2366	3.1m	N/A	N/A
22	74	N/A	17	310%	1788 to 2682	3.2m	N/A	N/A
23	76	N/A	18	310%	2025 to 3038	3.2m	N/A	N/A
24	78	N/A	18	310%	2293 to 3440	3.2m	N/A	N/A
25	80	N/A	18	310%	2595 to 3893	3.3m	N/A	N/A
26	82	N/A	19	310%	2936 to 4404	3.3m	N/A	N/A
27	84	N/A	19	310%	3319 to 4979	3.4m	N/A	N/A
28	86	N/A	19	310%	3751 to 5627	3.4m	N/A	N/A
29	88	N/A	20	310%	4237 to 6356	3.4m	N/A	N/A
30	90	N/A	20	310%	4784 to 7176	3.5m	N/A	N/A
31	91	N/A	20	310%	5083 to 7625	3.5m	N/A	N/A
32	92	N/A	20	310%	5400 to 8100	3.5m	N/A	N/A
33	93	N/A	21	310%	5736 to 8604	3.5m	N/A	N/A
34	94	N/A	21	310%	6092 to 9139	3.5m	N/A	N/A
35	95	N/A	21	310%	6470 to 9705	3.6m	N/A	N/A
36	96	N/A	21	310%	6871 to 10307	3.6m	N/A	N/A
37	97	N/A	21	310%	7296 to 10944	3.6m	N/A	N/A
38	98	N/A	22	310%	7747 to 11620	3.6m	N/A	N/A
39	99	N/A	22	310%	8224 to 12336	3.6m	N/A	N/A
40	100	N/A	22	310%	8731 to 13096	3.7m	N/A	N/A

Item acquisition

Frost Bomb can drop anywhere.

Recipes

Frost Bomb can be created from the following recipes:

Amount	Part	Description	Meta
13	The CataclysmThe Cataclysm13Level 21 Spell Gem CorruptedThe mighty warriors traded in blows, the nimble archers in arrows, yet it was the brazen thaumaturgists who would bring catastrophe to all.	Random corrupted level 21 Spell gem	A
6	The FoxThe Fox6Level 20 Gem"Masters of wit, strength and cunning. To survive the harsh winters, you must be like the fox." - Ezomyte Proverb	Random level 20 gem	A
3	Gemcutter's PromiseGemcutter's Promise3Gem Quality: +20%"I swore to use my position to help the people. What good is power when it just accumulates on the already-powerful?" - Erasmus, Imperial Gemcutter	Random gem with 20% quality	A
1	Gemcutter's IncubatorGemcutter's IncubatorStack Size: 10Adds an incubated Quality Gem item to an equippable item Item drops after killing {0} monstersRight click this item then left click an item to apply it. The Incubated item drops after killing a specific number of monsters.	Random gem with 1–20% quality	A
1	The VoidThe Void1Reach into the Void and claim your prize.	Random divination card set exchange	A

Quest reward

This item is given as a quest reward for the following quests:

Class →	Witch	Shadow	Ranger	Duelist	Marauder	Templar	Scion
Quest ↓
Breaking Some Eggs Act 1	✓	✗	✗	✗	✗	✓	✓

Vendor reward

This item can be bought at the listed NPC vendors, after completing the following quests:

Class →	Witch	Shadow	Ranger	Duelist	Marauder	Templar	Scion
Quest ↓
Breaking Some Eggs Act 1 Nessa	✓	✓	✗	✗	✗	✓	✓
A Fixture of Fate Act 3 Siosa	✓
Fallen from Grace Act 6 Lilly Roth	✓

Related helmet enchantments

The following helmet enchantments affect Frost Bomb.

Note that helmet enchantments are no longer obtainable since version 3.23.0 and can only be obtained in permanent leagues as already enchanted items from before this patch.

Name		Labyrinth	Stats	Spawn Weighting
Enchantment Frost Bomb Cooldown Speed 1	66	Merciless Labyrinth	Frost Bomb has 20% increased Cooldown Recovery Rate	helmet 75
Enchantment Frost Bomb Cooldown Speed 2	75	Eternal Labyrinth	Frost Bomb has 30% increased Cooldown Recovery Rate	helmet 75
Enchantment Frost Bomb Damage 1	66	Merciless Labyrinth	25% increased Frost Bomb Damage	helmet 75
Enchantment Frost Bomb Damage 2	75	Eternal Labyrinth	40% increased Frost Bomb Damage	helmet 75
Enchantment Frost Bomb Increased Duration 1	66	Merciless Labyrinth	Frost Bomb has 20% increased Debuff Duration	helmet 75
Enchantment Frost Bomb Increased Duration 2	75	Eternal Labyrinth	Frost Bomb has 30% increased Debuff Duration	helmet 75
Enchantment Frost Bomb Area Of Effect 1	66	Merciless Labyrinth	16% increased Frost Bomb Area of Effect	helmet 75
Enchantment Frost Bomb Area Of Effect 2	75	Eternal Labyrinth	24% increased Frost Bomb Area of Effect	helmet 75

Alternate skill effects

Frost Bomb has the following alternate skill effects:

Item	Description
Celestial Frost Bomb EffectCelestial Frost Bomb EffectSkill Gem EffectYour Frost Bomb becomes a celestial effect.	Your Frost Bomb becomes a celestial effect.

Version history

Version	Changes
3.25.0	Now has 170% Effectiveness of Added Damage at gem level 1, scaling up to 310% at gem level 20 (previously 310% at all gem levels).
3.23.0	No longer deals 4% more Damage with Hits per 0.1 seconds Duration, and the debuff no longer causes 75% reduced Energy Shield Regeneration rate. Quality now provides 0-20% increased Cooldown Recovery Rate, instead of 0-20% increased Cold Damage.
3.17.0	Frost Bomb now deals 9 to 13 Cold Damage at gem level 1 (previously 8 to 13), up to 1391 to 2086 at gem level 20 (previously 930 to 1395). Now has 310% Effectiveness of Added Damage at all gem levels (previously 210%).
3.16.0	Now deals 8 to 13 Cold Damage at gem level 1 (previously 14 to 21), up to 930 to 1395 at gem level 20 (previously 1336 to 2003). It no longer has 25% reduced Energy Shield Recharge Rate. It now has “4% more Damage with Hits per 0.1 seconds Duration”. It now has 210% Effectiveness of Added Damage at all gem levels (previously 300%). Because of base Ignite damage changes, Ignite with the skill is now 74.1% higher when it is able to ignite.
3.14.0	Cold Exposure is now -15% cold resistance (was -25%).
3.13.0	Now has an added damage effectiveness of 300% (from 200%). Now deals 14 to 21 cold damage at gem level 1 (unchanged), up to 1336 to 2003 at gem level 20 (from 959 to 1439). Now gains additional radius as the gem levels, up to +7 at gem level 20.
3.12.0	Now has alternative quality
3.6.0	Mana Cost at gem level 1 is now 4 (was 6). Mana Cost at gem level 20 is now 16 (was 19). Now applies Cold Exposure to affected enemies, rather than reducing their Cold Resistance.
3.4.0	Now reduces Energy Shield Regeneration Rate and Recovery Rate, not just Life Regeneration Rate.
3.3.0	Now deals 14-21 cold damage at gem level 1 (up from 10-14), up to 959-1439 cold damage at gem level 20 (up from 521-781). Now has a 2 second delay before exploding, and applies a debuff which lasts 5 seconds and grants -25% cold resistance to affected enemies. (Previously had a 3.5 second delay before exploding, and applied a debuff which lasted 2 seconds and granted -20% cold resistance to affected enemies.) Now has an added damage effectiveness of 200% (up from 130%).
2.2.0	Added to the game