Bonestorm

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Gem level progression

Level
1

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	BrutalityBrutalitySupport, Physical Tier: 1 Level: 1 Cost & Reservation Multiplier: 120%Supports any skill that deals damage, boosting its Physical damage at the expense of all other Damage Types.Supported Skills deal 35% more Physical Damage Supported Skills deal no Chaos Damage Supported Skills deal no Elemental Damage.Place into a Skill's Support Gem socket in the Skills Panel to apply its effects to that Skill. You cannot have multiple copies of the same Support Gem socketed at the same time.	Energy BarrierEnergy BarrierSupport Tier: 1 Level: 1Supports any skill that you can use, causing Energy Shield recharge to begin immediately if you are Stunned while using it.Energy Shield Recharge begins immediately and is not interrupted by Damage for 2 seconds when Stunned while using Supported SkillsPlace into a Skill's Support Gem socket in the Skills Panel to apply its effects to that Skill. You cannot have multiple copies of the same Support Gem socketed at the same time.	Minion PactMinion PactSupport, Minion Tier: 1 Level: 1Supports damaging skills you use yourself, draining the life from one of your Minions on use in order to boost the skill's damage. Only takes effect if you have a Minion with enough life to drain the full amount.Supported Skills remove 100% of your maximum Life from a nearby Minion on use to deal 40% more damagePlace into a Skill's Support Gem socket in the Skills Panel to apply its effects to that Skill. You cannot have multiple copies of the same Support Gem socketed at the same time.
II	Inevitable CriticalInevitable CriticalSupport, Critical Tier: 2 Level: 1 Cost & Reservation Multiplier: 120%Supports any skill you use yourself that Hits enemies, causing it to accumulate Critical Hit chance over time.Supported Skills gain 25% increased Critical Hit Chance each second, up to 100%. This Critical Hit Chance is lost whenever a skill supported by Inevitable Critical Critically HitsPlace into a Skill's Support Gem socket in the Skills Panel to apply its effects to that Skill. You cannot have multiple copies of the same Support Gem socketed at the same time.	RicochetRicochetSupport, Projectile Tier: 2 Level: 1Supports any Skill which creates Projectiles, giving those Projectiles a chance to Chain when impacting terrain.Projectiles from Supported Skills have 40% chance to Chain an additional time from terrainPlace into a Skill's Support Gem socket in the Skills Panel to apply its effects to that Skill. You cannot have multiple copies of the same Support Gem socketed at the same time.	SplinterSplinterSupport Tier: 2 Level: 1Supports Skills that Hit Enemies, causing those Hits to Break Armour based on a portion of Physical Damage dealt.Break Armour equal to 15% of Physical Damage dealt by Supported SkillPlace into a Skill's Support Gem socket in the Skills Panel to apply its effects to that Skill. You cannot have multiple copies of the same Support Gem socketed at the same time.
III	HeftHeftSupport, Physical Tier: 3 Level: 1 Cost & Reservation Multiplier: 120%Supports Skills which deal Damage, increasing the maximum Physical Damage of their Hits.Supported Skills have 30% more Maximum Physical DamagePlace into a Skill's Support Gem socket in the Skills Panel to apply its effects to that Skill. You cannot have multiple copies of the same Support Gem socketed at the same time.	RuptureRuptureSupport, Physical Tier: 3 Level: 1Supports skills that Hit Enemies. Supported skills Aggravate Bleeding on Hitting Heavily Stunned Enemies.Supported Skills Aggravate Bleeding on Hitting Heavy Stunned EnemiesPlace into a Skill's Support Gem socket in the Skills Panel to apply its effects to that Skill. You cannot have multiple copies of the same Support Gem socketed at the same time.	SupercriticalSupercriticalSupport Tier: 3 Level: 1Supports any skill that Hits enemies, causing it to deal more damage with Critical Hits but have less Critical Hit chance.Supported Skills have 100% increased Critical Damage Bonus Supported Skills have 20% less Critical Hit chancePlace into a Skill's Support Gem socket in the Skills Panel to apply its effects to that Skill. You cannot have multiple copies of the same Support Gem socketed at the same time.

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.