Bonestorm

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Gem level progression

Level		Mana Cost
1	0	395
2	3	447
3	6	505
4	10	572
5	14	647
6	18	733
7	22	829
8	26	939
9	31	1062
10	36	1202
11	41	1361
12	46	1540
13	52	1743
14	58	1972
15	64	2232
16	66	2526
17	72	2859
18	78	3236
19	84	3662
20	90	4144

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
I
II
III
IV
V

Item acquisition

Bonestorm has restrictions on where or how it can drop.

It can be obtained by engraving an Uncut Skill Gem.

Alternate skill effects

Bonestorm has the following alternate skill effects:

Item	Description

Version history

Version	Changes
0.1.0e	Increased the damage growth per level on Unearth (non-Minion component), Bonestorm, Bone Cage, Bone Blast (Wand Skill) and Power Siphon (Wand Skill). Results in approximately 50% more damage at Gem Level 25.
0.1.0d	Updated the suggested Supports for Bonestorm.
0.1.0	Introduced to the game.