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Diablo 4: Vessel of Hatred (D4)

Warlock Class Guide: Release Date, Skills and Class Specialization

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★ NEW: Season 12 Guide and New Features
┗ Seasonal Content: New Uniques | Bloodied Sigils | Slaughterhouses
┗ Seasonal Mechanic: Killstreaks and Bloodied Items
★ NEW: Lord of Hatred Expansion Release Date
★ Check out our Vessel of Hatred expansion guide

Warlock Class Guide
This is a guide to the Warlock class in Diablo 4 (D4). Learn everything about the Warlock class including the Warlock's release date, skills, unique ability, the best stats to increase here!

Warlock Overview and Rating

Stats Overview
Warlock Class Icon
Main Stat Willpower DMG Type Shadow/Fire

Warlock Class Release Date

Releases on April 28, 2026 for Expansion Owners

Warlock Release Date Infographic
The Warlock class will become playable with the launch of the Lord of Hatred expansion on April 28, 2026. Access to the Warlock, along with the new Paladin class, is exclusive to players who purchase the Lord of Hatred expansion.

Lord of Hatred Expansion Release Date

Warlock Class Specializations

Class Specialization Unlocks at Level 30

Warlock Class Quest

Soul Shards, the Warlock’s Class Mechanic, can be unlocked after reaching Level 30. Select one of four Soul Shards to infuse yourself with that power, imbuing your summoned demon with precise fervor. These Soul Shards definee which demon is linked to you and establishes the core of what your Warlock focusses on.

Soul Shard Fragments

List of Soul Shards
Legion Shard Vanguard Shard
Mastermind Shard Ritualist Shard

The Soul Shards you choose for the Class Mechanic are made up of two components: First it determines your summoned demon, and second, grant a transformative playstyle passive which alters your core gameplay loop.

Legion Shard

Ae
Ae'gron
Demon Skills
・ Ae'grom cleaves its enemies for damage. While summoned, this skill becomes Command Ae'grom. Command Ae'grom causes Ae'grom to summon a swarm of Vile Child Lesser Demons to fight for you.
・ Casting a Greater Demon Skill increases Lesser Demon Skill Cast Speed and Cooldown Rate temporarily. After many of your Lesser Demons die, your next Greater Demon Skill Cast has no Resource Cost.
・ Ae'grom has a Claw attack that deals damage. Vile Child demons have a claw attack dealing a portion of that damage.
Soul Shard Bonuses
Spawn: Ae'grom now spawns a Vile Child Demon passively. Summoning a Greater Demon increases this spawn rate temporarily, up to a maximum. Additional stacks do not refresh this duration. Command Ae'grom no longer spews Vile Children and instead causes all of your Lesser Demons to explode, dealing damage.
Sacrificial: You are Unstoppable as long as you have active Lesser Demons. When you would become Crowd Controlled, 1 of your Lesser Demons is Sacrificed to prevent it.
Evisceration: While an enemy is Eviscerated, your Summoned Demons prioritize them and gain increased Movement Speed. Demonology Skills gain a chance to Eviscerate enemies that are already Eviscerated.

Vanguard Shard

Abodian Soul Shard
Abodian
Demon Skills
While in Demonform, Casting Archfiend Skills summons the Archfiend Demon with the following effects:
・ Rampage summons a brute for that temporarily follows you and swipes at enemies, dealing damage.
・ Infernal Breath summons a demonic head that temporarily orbits you and spews flames, dealing damage.
・ Tyrant's Grasp summons additional demon hands that each deal damage.
・ Profane Sentinel summons an additional eye that temporarily follows you and blasts enemies, dealing damage.
Soul Shard Bonuses
Hellguard: Abodian gains increased Cast Speed and Movement Speed and cleaves on its attacks. Abodian erupts Brimstone during Command Abodian, launching them periodically while moving and when dismounting. Each Brimstone deals damage.
Warden: While in Demonform, lose Dominance per second Close Summons Greater Demon to extend their durations. Demonform also increases the damage of Hellfire Demonology Skills.
Inferno: While you are Volatile in Demonform, Hellfire Skill damage causes you to emanate fire temporarily, dealing some of that damage to Close enemies periodically over a duration.

Mastermind Shard

Laalish Soul Shard
Laalish
Demon Skills
Recast Skills no longer break Shadowform Stealth at the cost of a few stacks of Shadowform per Cast. While you have Shadowform, Abyss skills deal increased damage, and you gain increased Movement Speed per stack.
Soul Shard Bonuses
Unfathomable: Laalish also Weakens enemies. Laalish deals increased damage and Executes enemies. When an enemy is Executed, the Cooldown of Command Laalish is reduced.
Blasphemous: Recast Skills Hex enemies on hit and increase the damage they take from your Abyss Demonology Skills.
Subjugation: Summoning a non-Soul Shard, Abyss Great Demon consumes all Dominance increasing its damage per Dominance consumed. Losing stacks of Shadowform grants Dominance.

Ritualist Shard

Vollach Soul Shard
Vollach
Demon Skills
With Vollach active, siphon it's lifeforce to increase your maximum Overpower. With several stacks of Overpower, Occult Abyss skills apply additional Hex to enemies on hit, and Occult Hellfire Skills have a chance to grant Volatility temporarily when Cast. Occult skills deal increased damage per stacks of Overpower and gain increased Size.
Soul Shard Bonuses
Abyssal: Hex Stacks up to a maximum. When a target gains stacks, a portion of the damage dealt to the target echoes after a short duration and removes all stacks of Hex. Command Vollach also causes Occult Abyss skills to apply 1 additional stack of Hex to enemies while you've siphoned its power.
Scorching: Occult Hellfire Skills are always empowered and consume a portion of your Maximum Life. Volatility can now stack up to a maximum, increasing the damage of empowered Skills and the Life they consume by per stack. Command Vollach also siphons its life to Fortify you for a portion of your Maximum Life and causes Vollach to pay a portion of Life Costs instead while you've Siphoned its power.
Twisted: Occult Hellfire Skills consumes stacks of Hex on targets hit to increase its damage against the target by a portion. Occult Abyss skills can be empowered by Volatility and cause explosions, dealing damage when hitting an enemy for the first time

Warlock Skill Tree

The Warlock is a visceral caster class that uses the primary stat Willpower to draw upon Hell itself to summon demons to do their bidding. This class relies on two main resources: Wrath and Dominance. Wrath is consumed when casting skills, while Dominance is spent to command your demons and unleash their abilities.

Basic Skills

Warlock Skill Types
Basic Core Defensive
Archfiend Sigil Ultimate
Skill Description
Doom Burst a sigil on your enemies, Hexing them and dealing damage.
Molten Bomb Lobs volatile lava at an enemy, dealing damage in a small area.
Command Fallen Summon a Fallen Lunatic that charges your target and explodes, dealing damage.
Hellion Sting Whip a demon tail forward, dealing damage with a chance to Eviscerate enemies.

Core Skills

Warlock Skill Types
Basic Core Defensive
Archfiend Sigil Ultimate
Skill Description
Bombardment Smash down demons into the ground, each dealing damage.
Umbral Chains Send for a shadowy chain, dealing damage and linking enemies for a short duration.
Blazing Scream Send forth a Demon Skull, dealing damage as it travels.
Hell Fracture Summon the fires of hell to fracture the ground, dealing damage to enemies in the area.
Dread Claws Burst forth shadowy claws, dealing damage on impact.

Defensive Skills

Warlock Skill Types
Basic Core Defensive
Archfiend Sigil Ultimate
Skill Description
Dark Prison Create a Shadowy Totem for a duration that chains enemies, Tethering them to the area and preventing them from escaping.
Tortured Wretch Summon a tortured demon on your enemies, dealing damage and Taunting them.
Wall of Agony Summon and bind several frenzied demons into a line for a duration. The demons block enemies and flail wildly, dealing damage per hit to those in front of them.
Nether Step Step through the shadows of Hell to emerge at the target location, gaining Shadowform and a decaying Movement Speed bonus.

Archfiend Skills

Warlock Skill Types
Basic Core Defensive
Archfiend Sigil Ultimate
Skill Description
Rampage Summon a rampaging brute for a duration that smashes wildly, dealing damage with a chance to Eviscerate.
Infernal Breath Summon a demonic head for a duration that breathes fire on enemies dealing damage per hit.
Profane Sentinel Summon a demonic eye for a duration that focuses upon enemies with a beam that makes them Vulnerable and periodically blasts them.
Tyrant's Grasp Summon a Demon hand that Pulls enemies away from you, dealing damage.

Sigil Skills

Warlock Skill Types
Basic Core Defensive
Archfiend Sigil Ultimate
Skill Description
Sigil of Chaos Create a destructive ritual for a duration that grants you Volatility while within. Killing fuels the ritual's chaotic hellfire, increasing the chance for each enemy to explode on death.
Sigil of Subversion Create a subversive ritual for a duration that Hexes enemies. Killing fuels the ritual to send forth shadow trails that periodically grant you Shadowform.
Sigil of Summons Create a binding ritual for a duration that extends the duration of your Summons. Killing fuels the ritual to summon demons that attack nearby enemies.

Ultimate Skills

Warlock Skill Types
Basic Core Defensive
Archfiend Sigil Ultimate
Skill Description
Apocalypse Create a massive Sigil that detonates after a delay, dealing damage to all enemies within.
Fiend of Abaddon Summon a massive fiend for a duration that attacks enemies.
Terror Swarm Summon a terror from the depths that deals damage and spews a voracious swarm that deals damage for a duration.
Metamorphosis Transform into a fiend of terror, gaining a new set of powerful demonic abilities to devastate the battlefield.

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