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Bone Prison

From Diablo 4 Wiki

Bone Prison is a Necromancer skill from the Corpse & Macabre skill tree. Its features are:

Grants Player Exploits Condition
Essence
N/A
Vulnerable
Fortifies
Macabre
Bone

'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 Prison Details and Upgrades

Bone Prison

Bone Prison

Unearth a prison of bone with [#] Life that surrounds the target area for 6 seconds.

Damage: None

Cooldown: 18 seconds

Essence Cost: 0

Lucky Hit Chance: 0

Tags: Macabre, Bone

Upgrades

Upgrade Hub
Enhanced Bone Prison

Enemies inside of Bone Prison are Vulnerable. If an enemy is trapped by Bone Prison, gain 25 Essence, plus an additional 5 per enemy trapped.

Upgrade Hub
Ghastly Bone Prison

If an enemy is trapped by Bone Prison, gain 25 Essence, plus an additional 5 per enemy trapped.

Upgrade Hub
Dreadful Bone Prison

Reduce your active cooldowns by 0.5 seconds for each enemy trapped by Bone Prison, up to 3 seconds.


Items that work with Bone Prison

The following items either:

  • Grant a bonus when using Bone Prison
  • Create a condition Bone Prison can exploit
  • Exploit a condition Bone Prison creates

Legendary Aspects

Aspect of Bursting Bones
Offensive When a segment of Bone Prison is destroyed or expires, it deals 0.045 - 0.06 damage in an area around itself.

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

Path of the Blind
(Map)
Dry Steppes Necromancer
Aspect of Exposed Flesh
Resource Lucky Hit: Up to a 10% chance to generate 30 - 50 Essence when hitting a Vulnerable.

Ring

N/A Extraction Necromancer
Aspect of Plunging Darkness
Offensive Bone Prison spawns a pool of Blight that deals 75 - 125% bonus damage over 6 seconds.

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

Rimescar Cavern
(Map)
Fractured Peaks Necromancer
Splintering Aspect
Offensive Bone Spear's primary attack makes enemies hit beyond the first Vulnerable for 1.5 - 2.5 seconds. Bone Shards from Bone Spear deal 30 - 60% bonus damage to Vulnerable enemies and pierce them.

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

Guulrahn Slums(Map) Dry Steppes Necromancer

* Extraction means the Legendary Aspect can be removed from any Legendary item at the Occultist. A dungeon name means the Aspect will be added to your Codex of Power as a reward after completing that dungeon.


Unique Items

There are no Unique Items that affect Bone Prison.


Changes to Bone Prison

Patch 1.2.0, October 17, 2023

Patch 1.1.0a, July 18, 2023

  • Initial Essence gained increased from 15 to 25.

Patch 1-0-3, June 27, 2023