Firestorm

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Gem level progression

Level			Mana Cost
1	0	0	14
2	3	9	17
3	6	14	20
4	10	21	23
5	14	28	26
6	18	35	30
7	22	41	35
8	26	48	39
9	31	57	44
10	36	65	50
11	41	74	57
12	46	82	63
13	52	92	71
14	58	103	79
15	64	113	88
16	66	116	98
17	72	126	109
18	78	137	121
19	84	147	133
20	90	157	147

Recommended support gems

The following support gems are recommendations by GGG as listed in-game, and do not necessarily reflect optimal combinations or the views of the wiki.

Gem tier	Support gems

Item acquisition

Firestorm has restrictions on where or how it can drop.

It can be obtained by engraving an Uncut Skill Gem.

Alternate skill effects

Firestorm has the following alternate skill effects:

Item	Description

Version history

Version	Changes
0.1.0d	Rain of Arrows and Firestorm now have a hit-rate limit to prevent cases of them absolutely obliterating very large bosses. This will have little to no impact outside of boss fights with very large hitboxes.
0.1.0	Introduced to the game.