Bone Storm

Physical Dmg	Crit Dmg
Damage Reduction
Critical Strike Chance
Ultimate
Bone

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

'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

Cooldown: 60 seconds
Lucky Hit Chance: 40%
A swirling storm of bones appears around you and your Golem, dealing 180% damage to surrounding enemies over 10 seconds.

Damage: Physical Damage
Tags: Ultimate, Bone

Upgrades

Prime Bone Storm

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

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 5 - 25% [+] increased Critical Strike Chance for 6 seconds when you cast Corpse Tendrils. You deal 10 - 50% [x] bonus Critical Strike Damage to enemies for 6 seconds after they are damaged by Corpse Tendrils. Gloves, Offhand, 1H Weapon, 2H Weapon (+100%), Ring, Amulet (+50%)	Corrupted Grotto (Map)	Kehjistan	Necromancer
Aspect of Rathma's Chosen	Offensive	Whenever your Blood Skills Overpower you gain 35 - 55% [+] 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 1 - 8% of your Maximum 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 120 - 345 Shadow damage over 2 seconds. Blood Wave desecrates the ground it travels over, dealing 1,920 - 5,520 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 - 3] seconds. Ring, Amulet (+50%)	Iron Hold (Map)	Hawezar	Necromancer
Osseous Gale Aspect	Offensive	Bone Storm consumes up to 8 Corpses to increase its duration by up to 5 - 15 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: Unique 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 [15 - 45]% chance to spawn an additional Bone Storm at their location. Each of your active Sacrifice bonuses increases this chance by 25% and the maximum possible Bone Storms by +1.

20% Block Chance
60% Blocked Damage Reduction
+80% Main Hand Weapon Damage
+12.6% Total Armor

Affixes: (Item Power 925)

+[26.0 - 35.0]% Bone Storm Duration
+[2,153 - 2,963] Armor
+[1 - 2] to Bone Skills
[6.0 - 8.0]% Cooldown Reduction

Changes to Bone Storm

Patch 2.0, October 8, 2024

Can now add up to 5 skill points to Ultimate skills.