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Bone Storm

From Diablo 4 Wiki

Bone Storm is a Necromancer skill from the Ultimate skill tree. Its features are:

Grants Player Exploits Condition
Physical Dmg Crit Dmg
Damage Reduction
Critical Strike Chance

'Creates Condition' means this skill creates this condition i.e it could make a target Vulnerable that other skills can take advantage of. 'Exploits Condition' means this skill takes advantage of a condition, not necessarily of its own making. So for example another skill might Stun and this skill could take advantage of that.

Bone Storm Details and Upgrades

Bone Storm

Bone Storm

A swirling storm of bones appears around you and your Golem, dealing 180% to surrounding enemies over 10 seconds.

Damage: Physical

Cooldown: 60 seconds.

Lucky Hit Chance: 40%

Tags: Ultimate, Bone


Upgrade Hub
Prime Bone Storm

Your Damage Reduction is increased by 15% while Bone Storm is active.

Upgrade Hub
Supreme Bone Storm

Your Critical Strike Chance is increased by +20% while Bone Storm is active.

Items that affect Bone Storm

There are specific items that will boost Bone Storm in some way.

Legendary Aspects

Aspect of Grasping Veins
Offensive Gain 10 - 20% increased Critical Strike Chance for 6 seconds when you cast Corpse Tendrils. You deal 20 - 40% bonus Critical Strike Damage to enemies damaged by Corpse Tendrils.

Gloves, Offhand, 1H Weapon, 2H Weapon (+100%), Ring, Amulet (+50%)

Corrupted Grotto
Kehjistan Necromancer
Aspect of Rathma's Chosen
Offensive Whenever your Blood Skills Overpower you gain 20 - 50% Attack Speed for 4 seconds.

Gloves, Offhand, 1H Weapon, 2H Weapon (+100%), Ring, Amulet (+50%)

N/A Extraction Necromancer
Aspect of Shielding Storm
Defensive Each time that Bone Storm damages an enemy, gain a Barrier equal to 2 - 5% of your Base Life for 10 seconds.

Helm, Chest, Pants, Shield, Amulet (+50%)

N/A Extraction Necromancer
Aspect of Ultimate Shadow
Offensive Bone Storm and Blood Wave are also Darkness Skills, deal Shadow damage, and gain additional effects:
  • Enemies damaged by Bone Storm take [#] Shadow damage over 2 seconds.
  • Blood Wave desecrates the ground it travels over, dealing [#] Shadow damage over 4 seconds

Gloves, Offhand, 1H Weapon, 2H Weapon (+100%), Ring, Amulet (+50%)

N/A Extraction Necromancer
Fastblood Aspect
Resource Blood Orbs reduce your Ultimate Cooldown by 1 - 1.5 seconds.


Iron Hold
Hawezar Necromancer
Osseous Gale Aspect
Offensive Bone Storm consumes up to 8 Corpses to increase its duration by up to 5 - 10 seconds.

Gloves, Offhand, 1H Weapon, 2H Weapon (+100%), Ring, Amulet (+50%)

N/A Extraction Necromancer

Unique Items


Lidless Wall

Initially an unpopular choice to replace Mendeln as Deathspeaker, Daros quickly proved his worth with the creation of this masterpiece.

Type: Shield
Class: Necromancer

Description: Lucky Hit - While you have an active Bone Storm, hitting an enemy outside of a Bone Storm has up to a 5-25% chance to spawn an additional Bone Storm at their location. Each of your active Sacrifice bonuses increases the chance by 25% and the total number of additional Bone Storms you can have by +1.

  • + # Thorns
  • 20% Block Chance
  • 60% Blocked Damage Reduction
  • + 80% Main Hand Weapon Damage


Changes to Bone Storm

There have been no changes to Bone Storm to date.