Stormbind

StormbindSpell, AoE, Channelling, Lightning, Duration, Arcane
Level: (1-20)
Cost: (3-5) Mana
Cast Time: 0.12 sec
Critical Strike Chance: 6.00%
Effectiveness of Added Damage: 160%Requires Level 28Channel to spread runes on the ground in a growing pattern. The runes fade away after a duration, or will be immediately removed and deal damage in a circular area when detonated by Rune Blast. Enemies standing on the runes are Hindered, reducing their movement speed.Deals (36-444) to (107-1332) Lightning Damage
Base duration is 12.00 seconds
50% reduced Movement Speed
Runes have 30% more Area of Effect per Improvement
Runes deal 100% more Damage with Hits and Ailments per Improvement
A Rune is Improved for each (5-24) Mana Spent
Runes can be improved 3 times

Additional Effects From 1-20% Quality:
Runes have +(0.5-10)% more Area of Effect per Improvement
(0.5-10)% increased Cast SpeedPlace into an item socket of the right colour to gain this skill. Right click to remove from a socket.

Acquisition
Drop level: 28Vendor Offer
1x Scroll FragmentMetadata
Item class: Skill Gem
Metadata ID: Metadata/Items/Gems/SkillGemStormBind

Stormbind is a channelling spell that places runes on the targeted ground as the skill is channelled. These runes hinder enemies standing on it. The gem grants a sub-skill, Rune Blast, which improves runes placed by Stormbind as it is channelled, and releasing the channel detonates the rune and surrounding runes to deal lightning damage.

Skill functions and interactions

• Stormbind
  • The Stormbind skill places runes in a grid pattern around the cursor. These can be improved with the Rune Blast skill to increase damage and area of effect. If using two Stormbind setups (one to place runes, one to improve runes), support gems that increase damage should be linked to the Stormbind setup used to place runes.

• Rune Blast
  • A Rune Blast from one Stormbind gem can still improve the runes of a different Stormbind gem.
  • Rune Blast does not have the same gem tags as Stormbind. It is a generic channelling skill and does not directly deal damage. It can be supported by Cast while Channelling SupportCast while Channelling SupportSupport, Channelling, Spell, Trigger
    Icon: W
    Level: (1-20)
    Cost & Reservation Multiplier: 120%Requires Level 38Must support both a channelling skill and a non-channelling spell skill to work. The channelling skill will trigger a spell periodically while channelling. Cannot support skills used by totems, traps, or mines. Vaal skills and skills with a reservation cannot be triggered.Trigger a Supported Spell every (0.45-0.35) seconds while Channelling Supported Skills
    Supported Triggered Spells deal 30% less Damage
    
    Additional Effects From 1-20% Quality:
    Supported Channelling Skills deal (0.5-10)% increased Damage
    Supported Triggered Spells deal (0.5-10)% increased DamageThis 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., Faster Casting SupportFaster Casting SupportSupport, Spell
    Icon: f
    Level: (1-20)
    Cost & Reservation Multiplier: 110%Requires Level 18Supports non-instant spell skills.Supported Skills have (20-39)% increased Cast Speed
    
    Additional Effects From 1-20% Quality:
    Supported Skills have (0.5-10)% increased Cast SpeedThis 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., Infused Channelling SupportInfused Channelling SupportSupport, Channelling, Duration
    Icon: b
    Level: (1-20)
    Cost & Reservation Multiplier: 130%Requires Level 4Supports any channelling skill, protecting you from damage while you channel it. Cannot support skills used by totems. Cannot modify the skills of minions.Infusion lasts 6 seconds after you finish Channelling
    Gain Infusion after Channelling a Supported Skill for (1.6-1) second
    Supported Skills deal (15-24)% more Damage
    Infusion grants 10% more Damage of Types matching Supported Skill Gem's tags
    While Channelling a Supported Skill, take 8% less Damage from Hits of types matching the Skill Gem's Tags
    
    Additional Effects From 1-20% Quality:
    Gain Infusion after Channelling a Supported Skill for -(0.02-0.4) secondsThis 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., Arcane Surge SupportArcane Surge SupportArcane, Support, Spell, Duration
    Icon: N
    Level: (1-20)
    Cost & Reservation Multiplier: 130%Each supported spell will track how much mana you spend on it, granting a buff when the total mana spent reaches a threshold. Cannot support skills used by totems, traps, mines or skills with a reservation.Gain Arcane Surge after Spending a total of (15-400) Mana on
    Upfront Costs and Effects of a Supported Skill
    Arcane Surge grants (10-20)% increased Cast Speed
    Arcane Surge grants (30-58)% increased Mana Regeneration rate
    Arcane Surge lasts 4 seconds
    Supported Skills deal (10-25)% more Spell Damage while you have Arcane Surge
    
    Additional Effects From 1-20% Quality:
    Supported Skills deal (0.5-10)% increased Spell DamageThis 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. and Exceptional Support Gems. When supported by Arcane Surge or Infused Channeling, Rune Blast can also be supported by Less Duration SupportLess Duration SupportSupport, Duration
    Icon: d
    Level: (1-20)
    Cost & Reservation Multiplier: 130%Requires Level 31Supports any skill that has a duration.Supported Skills deal (10-19)% more Damage
    Supported Skills have (40-49)% less Skill Effect Duration
    
    Additional Effects From 1-20% Quality:
    Supported Skills have (0.5-10)% less Skill Effect 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., Increased Duration SupportIncreased Duration SupportSupport, Duration
    Icon: D
    Level: (1-20)
    Cost & Reservation Multiplier: 130%Requires Level 31Supports any skill with a duration.Supported Skills have (45-64)% increased Skill Effect Duration
    
    Additional Effects From 1-20% Quality:
    Supported Skills have (0.5-10)% increased Skill Effect 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. and Swift Affliction SupportSwift Affliction SupportSupport, Duration
    Icon: r
    Level: (1-20)
    Cost & Reservation Multiplier: 140%Requires Level 31Supports any skill that has a duration, or can hit enemies to inflict ailments on them.Supported Skills deal (25-39)% more Damage over Time
    25% less Duration of Supported Skills and Damaging Ailments they inflict
    
    Additional Effects From 1-20% Quality:
    Supported Skills deal (0.5-10)% increased Damage over TimeThis 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..
  • Increasing the mana cost used per channel tick increases the number of connected runes improved per cast. Each rune can only be improved once per channel tick. If the mana spent exceeds the threshold to improve, the remaining mana spent can also improve any of the 8 surrounding runes. Up to 9 runes can be improved per channel tick this way.

• IndigonIndigon
  Hubris CircletEnergy Shield: (200-257)Requires Level 69, 154 Int(150-180)% increased Energy Shield
  (6-10)% increased maximum Mana
  Recover (8-10)% of Life when you use a Mana Flask
  Non-instant Mana Recovery from Flasks is also Recovered as Life
  (50-60)% increased Cost of Skills for each 200 total Mana Spent Recently
  (20-25)% increased Spell Damage for each 200 total Mana you have Spent Recently, up to 2000%Where the body's limits begin,
  the mind's limits end. and Arcane CloakArcane CloakSpell, Duration, Guard, Lightning, Arcane
  Level: (1-20)
  Cooldown Time: 4.00 sec
  Can Store 1 Use(s)
  Cast Time: InstantRequires Level 16Spends a portion of your mana to grant a buff that takes some of the damage from hits for you until depleted. The buff grants added lightning damage based on the amount of mana spent by this skill. Shares a cooldown with other Guard skills.Base duration is 3.00 seconds
  Spends (45-64)% of current Mana
  75% of Damage from Hits is taken from Buff before your Life or Energy Shield
  Buff can take Damage equal to Mana Spent by this Skill's effect
  Buff grants Added Lightning Damage equal to (10-14)% of Mana Spent by this Skill's effect
  This Skill's Cooldown does not recover during its effect
  
  Additional Effects From 1-20% Quality:
  (1-20)% increased Buff EffectPlace into an item socket of the right colour to gain this skill. Right click to remove from a socket. can be used to significantly raise the mana spent per channel tick.

• Arcane: Archmage SupportArchmage SupportLightning, Arcane, Support, Spell
  Icon: ^
  Level: (1-20)Requires Level 31Supports spell skills that deal damage with hits and have no reservation. Cannot support arcane skills, Brand skills, Orb skills, Vaal skills, or skills used by totems, traps or mines. Cannot modify the skills of minions.Supported Skills gain Added Lightning Damage equal to (10-19)% of Unreserved Maximum Mana
  Supported Skills have added Mana Cost equal to 5% of Unreserved Maximum Mana
  
  Additional Effects From 1-20% Quality:
  Supported Skills deal (0.5-10)% increased Spell DamageThis 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. can support Stormbind, but not Rune Blast.

• Area of effect: Runes will always have the same distance from each other regardless of your area of effect modifiers, but the Rune Blast explosion area of effect, which has a base of 16, does increase with modifiers and by upgrading runes, and can overlap. Multiple runes can hit a single target..

• Spell Totem SupportSpell Totem SupportSupport, Spell, Totem
  Icon: T
  Level: (1-20)
  Cost & Reservation Multiplier: 200%Requires Level 8Supports spell skills that are not triggered. Instead of casting that spell, you will summon a totem that casts the spell for you.Supported Skills deal (49-40)% less Damage
  Supported Skills will summon a Totem which uses that Skill
  Totem lasts 8 seconds
  Supported Skills have 40% less Cast Speed
  
  Additional Effects From 1-20% Quality:
  Supported Skills have (0.5-10)% increased Totem Placement speedThis 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.: Totems can cast Stormbind, but Rune Blast can only be cast by the player, even when the gem is linked with Spell Totem Support. When runes placed by totems are detonated by a Rune Blast cast by the player, the damage from the explosion is dealt by the player, not the totems - Ancestral Bond will prevent this explosion from dealing any damage.

Rune Blast example

A level 20 Stormbind that costs 48 mana per channel tick and ticks 10 times per second improves 2 tiles per tick. It would take at least 1.5 seconds to fully improve 9 runes.

Gem level progression

Stormbind

Level			Mana Cost	Lightning Damage	Mana spent	Exp.	Total Exp.
1	28	67	3	36 to 107	5	0	0
2	31	73	3	44 to 131	6	199345	199345
3	34	79	3	53 to 159	7	285815	485160
4	37	85	3	64 to 193	8	401344	886504
5	40	92	3	78 to 234	9	554379	1440883
6	42	96	3	88 to 265	10	477437	1918320
7	44	100	3	100 to 299	11	583786	2502106
8	46	104	3	113 to 338	12	710359	3212465
9	48	109	4	127 to 380	13	1355511	4567976
10	50	113	4	143 to 428	14	1138877	5706853
11	52	117	4	161 to 482	15	1368233	7075086
12	54	121	4	180 to 541	16	1638338	8713424
13	56	125	4	203 to 608	17	1956648	10670072
14	58	130	4	227 to 681	18	3655184	14325256
15	60	134	4	254 to 763	19	3017327	17342583
16	62	138	4	285 to 854	20	7759995	25102578
17	64	142	4	319 to 956	21	15138193	40240771
18	66	146	4	356 to 1068	22	26083825	66324596
19	68	151	5	398 to 1193	23	62620247	128944843
20	70	155	5	444 to 1332	24	211708088	340652931
21	72	159	5	495 to 1486	25	N/A	N/A
22	74	N/A	5	552 to 1657	26	N/A	N/A
23	76	N/A	5	615 to 1846	27	N/A	N/A
24	78	N/A	5	685 to 2056	28	N/A	N/A
25	80	N/A	5	763 to 2288	29	N/A	N/A
26	82	N/A	5	848 to 2545	30	N/A	N/A
27	84	N/A	5	944 to 2831	31	N/A	N/A
28	86	N/A	6	1049 to 3146	32	N/A	N/A
29	88	N/A	6	1165 to 3495	33	N/A	N/A
30	90	N/A	6	1294 to 3882	34	N/A	N/A
31	91	N/A	6	1363 to 4090	35	N/A	N/A
32	92	N/A	6	1436 to 4309	35	N/A	N/A
33	93	N/A	6	1513 to 4539	36	N/A	N/A
34	94	N/A	6	1594 to 4781	36	N/A	N/A
35	95	N/A	6	1679 to 5036	37	N/A	N/A
36	96	N/A	6	1768 to 5304	37	N/A	N/A
37	97	N/A	6	1862 to 5585	38	N/A	N/A
38	98	N/A	6	1960 to 5881	38	N/A	N/A
39	99	N/A	6	2064 to 6192	39	N/A	N/A
40	100	N/A	6	2173 to 6519	39	N/A	N/A

Rune Blast

Level		Mana Cost
1	28	5
2	31	5
3	34	6
4	37	6
5	40	7
6	42	7
7	44	8
8	46	8
9	48	9
10	50	9
11	52	10
12	54	10
13	56	11
14	58	11
15	60	12
16	62	12
17	64	13
18	66	13
19	68	14
20	70	14
21	72	14
22	74	15
23	76	15
24	78	16
25	80	16
26	82	17
27	84	17
28	86	18
29	88	18
30	90	19
31	91	19
32	92	19
33	93	20
34	94	20
35	95	20
36	96	20
37	97	21
38	98	21
39	99	21
40	100	21

Gem quality

Type	Additional Effects per 1-20% Quality	Weight
Superior	Runes have +(0.5-10)% more Area of Effect per Improvement (0.5-10)% increased Cast Speed	1

Item acquisition

Stormbind can drop anywhere.

Recipes

Stormbind 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 ↓
Sever the Right Hand Act 3	✓	✗	✗	✗	✗	✓	✗

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 ↓
A Fixture of Fate Act 3 Siosa	✓
Sever the Right Hand Act 3 Clarissa	✓	✓	✗	✗	✗	✓	✓
Fallen from Grace Act 6 Lilly Roth	✓

Ruthless mode

Stormbind's Rune Blast teleports you to the detonated Rune if you have not detonated Runes in the past # second Helmet Enchantments are disabled and cannot be obtained in Ruthless mode.

Threshold jewels

The following threshold jewels augment Stormbind:

Note that the jewels may be drop disabled and only be found in the permanent leagues as legacy items.

Item	Limit	Radius	Stats	Drop Enabled

Modifiers

Enchantment

No results found

Other

No results found

Related helmet enchantments

The following helmet enchantments affect Stormbind.

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 Stormbind Area of Effect 1	66	Merciless Labyrinth	Stormbind has 16% increased Area of Effect	helmet 100
Enchantment Stormbind Area of Effect 2	75	Eternal Labyrinth	Stormbind has 24% increased Area of Effect	helmet 100
Enchantment Stormbind Damage 1	66	Merciless Labyrinth	Stormbind deals 25% increased Damage	helmet 100
Enchantment Stormbind Damage 2	75	Eternal Labyrinth	Stormbind deals 40% increased Damage	helmet 100

Alternate skill effects

Stormbind has the following alternate skill effects:

Item	Effect(s)
Gore Stormbind EffectGore Stormbind EffectSkill Gem EffectYour Stormbind becomes a Gore Effect.	Your Stormbind becomes a Gore Effect.

Version history

Version	Changes
3.23.0	Quality now causes Runes to have +0-10% more Area of Effect for each time they have been Improved, instead of providing 0-10% increased Cast Speed.
3.17.0	Stormbind now deals 36 to 107 Lightning Damage at gem level 1 (unchanged), up to 444 to 1332 at gem level 20 (previously 306 to 919). Now has 160% Effectiveness of Added Damage at all gem levels (previously 110%).
3.15.0	Received Arcane gem tag.
3.11.0	Fixed a typo in the skill description of Stormbind.
3.10.0	Stormbind has been added to the game.