Vaal Firestorm

Vaal FirestormSpell, AoE, Duration, Fire, Vaal
Level: (1-20)
Souls Per Use: 35
Can Store 1 Use(s)
Soul Gain Prevention: 7 sec
Cast Time: 0.75 sec
Critical Strike Chance: 6.00%
Effectiveness of Added Damage: (600-760)%Requires Level 28A fixed number of flaming bolts rain down in a spiral, culminating in the central one impacting the targeted location. They explode when landing, dealing damage to nearby enemies and leaving burning ground, which deals fire damage over time.Deals (256.8-3995.2) Base Fire Damage per second
Burning Ground lasts 4.00 seconds
Deals (224-3487) to (336-5230) Fire Damage
Modifiers to Skill Effect Duration also apply to this Skill's Soul Gain Prevention
16 Bolts
Impacts have 20% more Area of Effect
Base radius is 1.3 metres

Additional Effects From 1-20% Quality:
Base radius is (0.01-0.2) metresCorruptedPlace into an item socket of the right colour to gain this skill. Right click to remove from a socket.

Acquisition
Drop restricted
Drop level: 28
Vaal Firestorm can drop from the Vaal Vessels found in Vaal side areas, or by corrupting FirestormFirestormSpell, AoE, Duration, Fire
Level: (1-20)
Cost: (13-25) Mana
Cast Time: 0.75 sec
Critical Strike Chance: 6.00%
Effectiveness of Added Damage: (60-80)%Requires Level 28Flaming bolts rain down over the targeted area. They explode when landing, dealing damage to nearby enemies.Base duration is 1.40 seconds
Deals (23-361) to (35-541) Fire Damage
One impact every 0.15 seconds
Base radius is 1.3 metres
First Impact has 100% more Area of Effect
First Impact deals 325% more Damage with Hits and Ailments
Maximum 3 Firestorms at a time

Additional Effects From 1-20% Quality:
Base radius is (0.01-0.2) metresPlace into an item socket of the right colour to gain this skill. Right click to remove from a socket..Metadata
Item class: Skill Gem
Metadata ID: Metadata/Items/Gems/SkillGemVaalFirestorm

Vaal Firestorm is a Fire Vaal spell that calls down several meteors which deal damage in an area consecutively, leaving Burning Ground.

Skill functions and interactions

Modifiers to Spell Damage do not affect the burning ground's damage over time; however, the base damage over time exceeds that of Fire TrapFire TrapTrap, Spell, Duration, AoE, Fire
Level: (1-20)
Cost: (8-20) Mana
Cast Time: 1.00 sec
Critical Strike Chance: 6.00%
Effectiveness of Added Damage: 260%
AoE Radius: 15Requires Level 12Throws a trap that explodes when triggered, dealing fire damage to surrounding enemies and leaving an area of burning ground that damages enemies who walk through it.Trap lasts 4 seconds
Deals (27.7-2566) Base Fire Damage per second
Base duration is 1.75 seconds
Deals (10-915) to (15-1373) Fire Damage
Modifiers to Spell Damage apply to this Skill's Damage Over Time effect
+(0-0.8) metres to radius
(3-286) to (5-429) added Fire Damage against Burning Enemies

Additional Effects From 1-20% Quality:
(4-80)% increased Trap Trigger Area of EffectPlace into an item socket of the right colour to gain this skill. Right click to remove from a socket. of the same level.

Gem level progression

Level			Damage Effectiveness	Fire Damage	Fire DoT	Exp.	Total Exp.
1	28	67	600%	224 to 336	256.8	0	0
2	31	73	610%	279 to 418	319.7	199345	199345
3	34	79	620%	345 to 518	395.8	285815	485160
4	37	85	630%	426 to 639	487.8	401344	886504
5	40	92	650%	522 to 784	598.7	554379	1440883
6	42	96	650%	598 to 897	684.9	477437	1918320
7	44	100	660%	683 to 1024	782.2	583786	2502106
8	46	104	670%	779 to 1168	892.3	710359	3212465
9	48	109	680%	887 to 1331	1016.5	1355511	4567976
10	50	113	690%	1009 to 1514	1156.6	1138877	5706853
11	52	117	700%	1147 to 1721	1314.6	1368233	7075086
12	54	121	710%	1303 to 1954	1492.5	1638338	8713424
13	56	125	720%	1477 to 2216	1692.9	1956648	10670072
14	58	130	720%	1674 to 2511	1918.4	3655184	14325256
15	60	134	730%	1896 to 2843	2172.1	3017327	17342583
16	62	138	740%	2144 to 3217	2457.2	7759995	25102578
17	64	142	750%	2424 to 3636	2777.7	15138193	40240771
18	66	146	760%	2738 to 4107	3137.6	26083825	66324596
19	68	151	770%	3091 to 4636	3541.7	62620247	128944843
20	70	155	760%	3487 to 5230	3995.2	211708088	340652931
21	72	159	760%	3931 to 5896	4504	—	—
22	74	—	760%	4429 to 6643	5074.5	—	—
23	76	—	760%	4987 to 7480	5714	—	—
24	78	—	760%	5612 to 8418	6430.6	—	—
25	80	—	760%	6313 to 9469	7233.3	—	—
26	82	—	760%	7097 to 10646	8132.2	—	—
27	84	—	760%	7975 to 11963	9138.5	—	—
28	86	—	760%	8958 to 13437	10264.5	—	—
29	88	—	760%	10058 to 15086	11524.4	—	—
30	90	—	760%	11287 to 16931	12933.4	—	—
31	91	—	760%	11956 to 17933	13699.2	—	—
32	92	—	760%	12662 to 18993	14508.9	—	—
33	93	—	760%	13409 to 20114	15365	—	—
34	94	—	760%	14199 to 21299	16270	—	—
35	95	—	760%	15034 to 22551	17226.8	—	—
36	96	—	760%	15917 to 23875	18238.1	—	—
37	97	—	760%	16850 to 25275	19307.1	—	—
38	98	—	760%	17836 to 26754	20437	—	—
39	99	—	760%	18878 to 28317	21631.1	—	—
40	100	—	760%	19979 to 29969	22893	—	—

Item acquisition

Vaal Firestorm has restrictions on where or how it can drop. Vaal Firestorm can drop from the Vaal Vessels found in Vaal side areas, or by corrupting FirestormFirestormSpell, AoE, Duration, Fire
Level: (1-20)
Cost: (13-25) Mana
Cast Time: 0.75 sec
Critical Strike Chance: 6.00%
Effectiveness of Added Damage: (60-80)%Requires Level 28Flaming bolts rain down over the targeted area. They explode when landing, dealing damage to nearby enemies.Base duration is 1.40 seconds
Deals (23-361) to (35-541) Fire Damage
One impact every 0.15 seconds
Base radius is 1.3 metres
First Impact has 100% more Area of Effect
First Impact deals 325% more Damage with Hits and Ailments
Maximum 3 Firestorms at a time

Additional Effects From 1-20% Quality:
Base radius is (0.01-0.2) metresPlace into an item socket of the right colour to gain this skill. Right click to remove from a socket..

Recipes

Vaal Firestorm can be created from the following recipes:

Amount	Part	Description	Meta
9	Volatile PowerVolatile Power9Vaal Gem Quality: +20% CorruptedUnlimited power is apt to corrupt the minds of those who possess it.	Random corrupted Vaal gem with 20% quality	A
1	The VoidThe Void1Reach into the Void and claim your prize.	Random divination card set exchange	A

Related helmet enchantments

The following helmet enchantments affect Vaal Firestorm.

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 Firestorm Damage 1	66	Merciless Labyrinth	25% increased Firestorm Damage	helmet 100
Enchantment Firestorm Damage 2	75	Eternal Labyrinth	40% increased Firestorm Damage	helmet 100
Enchantment Firestorm Duration 1	66	Merciless Labyrinth	20% increased Firestorm Duration	helmet 100
Enchantment Firestorm Duration 2	75	Eternal Labyrinth	30% increased Firestorm Duration	helmet 100
Enchantment Firestorm Explosion Area Of Effect 1	66	Merciless Labyrinth	16% increased Firestorm explosion Area of Effect	helmet 100
Enchantment Firestorm Explosion Area Of Effect 2	75	Eternal Labyrinth	24% increased Firestorm explosion Area of Effect	helmet 100

Alternate skill effects

Vaal Firestorm has the following alternate skill effects:

Item	Description
Celestial Firestorm EffectCelestial Firestorm EffectSkill Gem EffectYour Firestorm becomes a Celestial Effect.	Your Firestorm becomes a Celestial Effect.
Purple Firestorm EffectPurple Firestorm EffectSkill Gem EffectYour Firestorm becomes a Purple Effect.	Your Firestorm becomes a Purple Effect.
Siege Firestorm EffectSiege Firestorm EffectSkill Gem EffectYour Firestorm becomes a flaming siege assault	Your Firestorm becomes a flaming siege assault
Stygian Firestorm EffectStygian Firestorm EffectSkill Gem EffectYour Firestorm becomes a Stygian Effect.	Your Firestorm becomes a Stygian Effect.

Version history

Version	Changes
3.25.0	Now has 600% Effectiveness of Base and Added Damage at gem level 1, scaling up to 760% at gem level 20 (previously 760% at all gem levels).
3.23.0	Quality now provides +0-0.2 metres to radius, instead of 0-20% increased Damage.
3.21.0	Introduced to the game.