PoE2 skill gem

Bonestorm

Channel to conjure a swarm of bone spikes in the air, then release to fire them at enemies and explode. Shrapnel Impales enemies Hit, causing subsequent Attack Hits against those targets to deal extra damage. Consumes your Power Charges to cause much larger explosions.

Current series

Changed in 0.5

0.5.0
Direct change

Bonestorm: No longer has the Sustained tag.

Full patch history

Effects

18 effects

Projectile

Explosion

Requirements and restrictions

1 requirement groups
Player requirementsLevel (1-90), (4-157) Int
Source requirement text

Requires: Level (1-90), (4-157) Int

Gem level progression

40 levels
Bonestorm levels 1 to 20
LevelRequires LevelIntManaBase DamageDeals 4 to 7 Physical DamageDeals 3 to 5 Physical Damage
1046100%, 100%, 100%, 100%4, 73, 5
2397100%, 100%, 100%, 100%6, 95, 7
36148100%, 100%, 100%, 100%8, 126, 9
4102110100%, 100%, 100%, 100%10, 168, 12
5142811100%, 100%, 100%, 100%13, 2010, 15
6183513100%, 100%, 100%, 100%16, 2412, 18
7224114100%, 100%, 100%, 100%19, 2915, 22
8264816100%, 100%, 100%, 100%23, 3418, 26
9315718100%, 100%, 100%, 100%27, 4021, 31
10366521100%, 100%, 100%, 100%31, 4724, 36
11417423100%, 100%, 100%, 100%36, 5528, 42
12468226100%, 100%, 100%, 100%42, 6332, 48
13529229100%, 100%, 100%, 100%48, 7237, 56
145810333100%, 100%, 100%, 100%55, 8342, 63
156411336100%, 100%, 100%, 100%63, 9448, 72
166611640100%, 100%, 100%, 100%71, 10755, 82
177212645100%, 100%, 100%, 100%81, 12162, 93
187813750100%, 100%, 100%, 100%91, 13770, 105
198414755100%, 100%, 100%, 100%103, 15579, 119
209015761100%, 100%, 100%, 100%116, 17589, 134
Beyond level 20, 20 levels
Bonestorm levels beyond 20
LevelRequires LevelIntManaBase DamageDeals 4 to 7 Physical DamageDeals 3 to 5 Physical Damage
21Not applicableNot applicable67100%, 100%, 100%, 100%131, 197101, 151
22Not applicableNot applicable74100%, 100%, 100%, 100%148, 221113, 170
23Not applicableNot applicable81100%, 100%, 100%, 100%166, 249127, 191
24Not applicableNot applicable89100%, 100%, 100%, 100%187, 280143, 215
25Not applicableNot applicable98100%, 100%, 100%, 100%210, 315161, 241
26Not applicableNot applicable107100%, 100%, 100%, 100%236, 353181, 271
27Not applicableNot applicable118100%, 100%, 100%, 100%264, 397203, 305
28Not applicableNot applicable129100%, 100%, 100%, 100%297, 445228, 342
29Not applicableNot applicable141100%, 100%, 100%, 100%333, 500256, 384
30Not applicableNot applicable154100%, 100%, 100%, 100%374, 562287, 431
31Not applicableNot applicable169100%, 100%, 100%, 100%421, 631323, 484
32Not applicableNot applicable184100%, 100%, 100%, 100%473, 709363, 544
33Not applicableNot applicable201100%, 100%, 100%, 100%531, 797408, 612
34Not applicableNot applicable219100%, 100%, 100%, 100%597, 896458, 688
35Not applicableNot applicable239100%, 100%, 100%, 100%672, 1008516, 774
36Not applicableNot applicable260100%, 100%, 100%, 100%756, 1134580, 871
37Not applicableNot applicable284100%, 100%, 100%, 100%851, 1277654, 980
38Not applicableNot applicable309100%, 100%, 100%, 100%959, 1439736, 1105
39Not applicableNot applicable336100%, 100%, 100%, 100%1082, 1623830, 1245
40Not applicableNot applicable365100%, 100%, 100%, 100%1220, 1831937, 1405

Quality effects

2 effects

Projectile standard quality

  • (0-10)% more Cast Speed

Advanced Thaumaturgy

This is the additional quality effect granted while the Gemling Legionnaire passive is allocated. The main value below is shown at 20% gem quality. Compare all gem bonuses.

  • 20% chance to not remove Charges on useQuality scaling: (0-20)% chance to not remove Charges on use

Compatible support gems

217 source records
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Compatibility rules

Active Type: Spell, Channel, Projectile, Physical, UsableWhileMoving, Area, ConsumesCharges, Damage, SkillConsumesPowerChargesOnUse, Necrotic, Totemable

Acquisition

1 sources
  • Uncut Skill Gem: Uncut Skill Gem Tier 5

How to engrave this skill

1 category
Occult, tier 5

This skill becomes available when engraving an Uncut Skill Gem of level 5 or higher. The resulting skill uses the selected Uncut Skill Gem's level.

Open Occult

Vaal Orb outcomes

4 outcomes / 0 enchantments

Vaal Orb can corrupt Bonestorm. One applicable outcome is selected, and the item normally cannot be modified again by ordinary crafting.

01
No change.
02
Permanently add or subtract one gem level. This is retained when upgrading the gem level using an uncut gem. Max level gems can exceed their normal maximum this way, but cannot go below Level 1.
03
Add or remove a socket.
04
±10% to Quality, up to 23%.
View every corruption outcome and enchantment

Patch history

3 changes
0.1.0e
Direct change

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.

0.5.0
Direct change

Bonestorm: No longer has the Sustained tag.

0.2.0
Direct change

Bonestorm's shrapnel has become a general mechanic called Impale, similar to the Impale mechanic from Path of Exile 1. Hits that Impale an enemy cause the next attack hit against that enemy to gain added physical damage equal to 30% of the physical damage dealt by the impaling hit.

Monster skill variants

1 monsters

These monsters use source skill records whose exact name, external key, or reviewed implementation ID resolves to Bonestorm. Monster-specific values remain on each monster page.

It That Guards

GPS Breach Elite Bonestorm