Skill

Active

Firestorm

Overview

Flaming bolts rain down over the targeted area. They explode when landing, dealing damage to nearby enemies.

Properties

Gem type: Active
Colour: Blue
Attribute: Intelligence
Drop level: 28
Cast time: 0.75 sec

Quest reward sources

These are reward options. Availability can depend on your class and quest choices. A blank class restriction remains unspecified.

Quest	Classes	Amount	Reward item level
Sever the Right Hand	Witch	1	1
Sever the Right Hand	Templar	1	1

Compare gem levels and variants

Choose levels and quality to see which recorded properties and effects change. Additional skill effects remain in their separate progression tables.

First levelCompare withSecond levelQuality for both

Mechanics at a glance

Base radius is 1.3 metres
One impact every 0.15 seconds
Maximum 3 Firestorms at a time
First Impact has 100% more Area of Effect
First Impact deals 325% more Damage with Hits and Ailments
Base duration is 1.4 seconds
Deals 23 to 35 Fire Damage

At 20% quality

Base radius is 0.2 metres

Acquisition

Sever the Right HandAct 3 quest reward · Witch Sever the Right HandAct 3 quest reward · Templar

Related gem versions 3

Regular, transfigured, Vaal, and awakened versions are joined from the game records.

Firestorm of Meteors

Firestorm of Pelting

Vaal Firestorm

Compatibility inputs

Skill types: Spell, Damage, Area, Duration, Trappable, Totemable, Mineable, Multicastable, Triggerable, Fire, Cascadable, Can Rapid Fire, Area Spell
Granted minion skill types: None recorded
Can be supported: Yes

Support compatibility is evaluated against these recorded types. A support is omitted when its allowed expression does not match, its excluded expression matches, or this skill is marked as unable to be supported.

Gem level	Required level	Cost	Crit. chance	Damage effectiveness	Effects	Exp. to next	Total exp.
1	28	10 Mana	6%	70%	Deals 23 to 35 Fire Damage	199,345	0
2	31	11 Mana	6%	70%	Deals 29 to 43 Fire Damage	285,815	199,345
3	34	12 Mana	6%	80%	Deals 36 to 54 Fire Damage	401,344	485,160
4	37	13 Mana	6%	80%	Deals 44 to 66 Fire Damage	554,379	886,504
5	40	13 Mana	6%	80%	Deals 54 to 81 Fire Damage	477,437	1,440,883
6	42	14 Mana	6%	80%	Deals 62 to 93 Fire Damage	583,786	1,918,320
7	44	14 Mana	6%	80%	Deals 71 to 106 Fire Damage	710,359	2,502,106
8	46	14 Mana	6%	80%	Deals 81 to 121 Fire Damage	1,355,511	3,212,465
9	48	15 Mana	6%	80%	Deals 92 to 138 Fire Damage	1,138,877	4,567,976
10	50	15 Mana	6%	80%	Deals 105 to 157 Fire Damage	1,368,233	5,706,853
11	52	16 Mana	6%	90%	Deals 119 to 178 Fire Damage	1,638,338	7,075,086
12	54	16 Mana	6%	90%	Deals 135 to 202 Fire Damage	1,956,648	8,713,424
13	56	17 Mana	6%	90%	Deals 153 to 229 Fire Damage	3,655,184	10,670,072
14	58	17 Mana	6%	90%	Deals 173 to 260 Fire Damage	3,017,327	14,325,256
15	60	18 Mana	6%	90%	Deals 196 to 294 Fire Damage	7,759,995	17,342,583
16	62	18 Mana	6%	90%	Deals 222 to 333 Fire Damage	15,138,193	25,102,578
17	64	18 Mana	6%	90%	Deals 251 to 376 Fire Damage	26,083,825	40,240,771
18	66	19 Mana	6%	90%	Deals 283 to 425 Fire Damage	62,620,247	66,324,596
19	68	19 Mana	6%	90%	Deals 320 to 480 Fire Damage	211,708,088	128,944,843
20	70	20 Mana	6%	—	Deals 361 to 541 Fire Damage	—	340,652,931

Gem level	Required level	Cost	Crit. chance	Damage effectiveness	Effects	Exp. to next	Total exp.
21	72	20 Mana	6%	—	Deals 407 to 610 Fire Damage	—	—
22	74	21 Mana	6%	—	Deals 458 to 688 Fire Damage	—	—
23	76	21 Mana	6%	—	Deals 516 to 774 Fire Damage	—	—
24	78	22 Mana	6%	—	Deals 581 to 872 Fire Damage	—	—
25	80	22 Mana	6%	—	Deals 654 to 980 Fire Damage	—	—
26	82	22 Mana	6%	—	Deals 735 to 1102 Fire Damage	—	—
27	84	22 Mana	6%	—	Deals 826 to 1238 Fire Damage	—	—
28	86	23 Mana	6%	—	Deals 927 to 1391 Fire Damage	—	—
29	88	24 Mana	6%	—	Deals 1041 to 1562 Fire Damage	—	—
30	90	24 Mana	6%	—	Deals 1169 to 1753 Fire Damage	—	—
31	91	24 Mana	6%	—	Deals 1238 to 1857 Fire Damage	—	—
32	92	25 Mana	6%	—	Deals 1311 to 1966 Fire Damage	—	—
33	93	25 Mana	6%	—	Deals 1388 to 2082 Fire Damage	—	—
34	94	25 Mana	6%	—	Deals 1470 to 2205 Fire Damage	—	—
35	95	25 Mana	6%	—	Deals 1556 to 2335 Fire Damage	—	—
36	96	26 Mana	6%	—	Deals 1648 to 2472 Fire Damage	—	—
37	97	26 Mana	6%	—	Deals 1744 to 2617 Fire Damage	—	—
38	98	26 Mana	6%	—	Deals 1846 to 2770 Fire Damage	—	—
39	99	26 Mana	6%	—	Deals 1954 to 2932 Fire Damage	—	—
40	100	26 Mana	6%	—	Deals 2068 to 3103 Fire Damage	—	—

Quality	Effects
0%	No quality bonus
5%	Base radius is 0.05 metres
10%	Base radius is 0.1 metres
15%	Base radius is 0.15 metres
20%	Base radius is 0.2 metres
23%	Base radius is 0.23 metres
30%	Base radius is 0.3 metres

Firestorm

Overview

Properties

Quest reward sources

Compare gem levels and variants

Mechanics at a glance

Acquisition

Related gem versions 3

Compatibility inputs

Compatible support gems 99

Gem progression 20 standard levels

Quality progression

Alternate effects 4

Siege Firestorm Effect

Stygian Firestorm Effect

Celestial Firestorm Effect

Purple Firestorm Effect