You can socket your Malignant Hearts on Rings and Necklaces with Infested Sockets in Diablo 4 (D4). Check out our guide for a complete list of all the Malignant Hearts available in the game, and learn about its effects, and how to obtain them.

List of All Malignant Hearts

General Malignant Hearts

Malignant Hearts by Class
General	Barbarian	Druid
Necromancer	Rogue	Sorcerer

Malignant Heart	Type and Effect
The Picana	Type: Vicious Effect: Critical Strikes electrically charge the enemy for 0.75-2.50 seconds, causing lightning to arc between them and any other charged enemies dealing 68-136 Lightning damage.
The Dark Dance	Type: Vicious Effect: Every 5 seconds while above 60% Life, Core Skills cost 68-51 Life instead of your Primary Resource. Skills that consume Life deal 10-20% increased damage.
Tempting Fate	Type: Vicious Effect: You gain 40-60% Critical Strike Damage but your Non-Critical Strikes deal 20-15% less damage.
The Lionheart	Type: Brutal Effect: You gain 10% Barrier Generation. You Heal 3-7 Life per second while you have an active Barrier.
Revenge	Type: Brutal Effect: 10-20% of incoming damage is instead suppressed. When you use a Defensive, Subterfuge or a Macabre skill, all suppressed damage is amplified by 250% and explodes, dealing up to 1360-2040 Fire damage to Nearby enemies.
Prudent Heart	Type: Brutal Effect: You become Immune for 2.0-4.0 seconds after you lose more than 20% Life in a single hit. This effect can only occur once every 110 seconds.
Determination	Type: Devious Effect: Resource draining effects are 40-50% less effective. In addition, gain 3.0-8.0% increased Resource Generation.
Retaliation	Type: Devious Effect: Deal X Fire damage to surrounding enemies whenever a Crowd Control effect is removed from you.
The Calculated	Type: Devious Effect: After spending X of your Primary Resource, your next attack Stuns enemies hit for 2 seconds.
The Malignant Pact	Type: Wrathful Effect: Cycle through a Malignant bonus every 20 kills: Vicious: Gain 20% Attack Speed.; Devious: Core and Basic Skills have a 15% chance to fully restore your Primary Resource.; Brutal: Every 21 seconds, gain a Barrier absorbing 85-102 damage.
Creeping Death	Type: Wrathful Effect: Your damage over time effects are increased by 30-40% for each different Crowd Control effect on the target. Unstoppable monsters and Staggered bosses instead take 110-130% increased damage from your damage over time effects.
The Barber	Type: Wrathful Effect: Critical Strikes and all subsequent damage within 2.0-4.0 seconds is absorbed by your target. Then, the absorbed damage erupts onto surrounding enemies. Stored damage is increased by 10% per second.

Barbarian Malignant Hearts

Malignant Hearts by Class
General	Barbarian	Druid
Necromancer	Rogue	Sorcerer

Malignant Heart	Type and Effect
Focused Rage	Type: Vicious Effect: After spending 100-60 Fury within 2 seconds, your next Non-Basic Skill's Critical Strike Chance is increased by 20-30%.
Resurgent Life	Type: Brutal Effect: While below 40-60% Life, you receive 50-60% more Healing from all sources.
Punishing Speed	Type: Devious Effect: Your Skills have a 20-30% chance to Knock Down all enemies for 1.25 seconds when that Skill's Attack Speed is higher than 35-20%.
Ignoring Pain	Type: Wrathful Effect: Incoming damage has a 5-15% chance of being ignored and instead Healing you for 17-68.

Druid Malignant Hearts

Malignant Hearts by Class
General	Barbarian	Druid
Necromancer	Rogue	Sorcerer

Malignant Heart	Type and Effect
The Moonrage	Type: Vicious Effect: Kills have a 5% chance to summon a Wolf Companion to your side for 20-30 seconds. In addition, gain +3 to Wolves.
The Agitated Winds	Type: Brutal Effect: When 8-13 Close enemies, automatically cast Cyclone Armor. This cannot occur more than once every 10-20 seconds.
Inexorable Force	Type: Devious Effect: Up to 30-50 Distant enemies are pulled toward you while you have an Ultimate Skill active.
The Unconstrained Beast	Type: Wrathful Effect: When you are hit with a Stun, Freeze or Knock Down effect, there is a 40-60% chance to automatically activate Grizzly Rage for 3 seconds.

Necromancer Malignant Hearts

Malignant Hearts by Class
General	Barbarian	Druid
Necromancer	Rogue	Sorcerer

Malignant Heart	Type and Effect
The Sacrilegious	Type: Vicious Effect: Walking near a Corpse automatically activates an equipped Corpse Skill every second, dealing 40-30% reduced damage.
The Decrepit Aura	Type: Brutal Effect: When at least 5 enemies are near you, gain an aura that automatically curses surrounding enemies with Decrepify for 5-15 seconds.
Frozen Terror	Type: Devious Effect: Lucky Hit: Up to a 10-20% chance of inflicting Fear for 2.5 seconds. Feared enemies are Chilled for 20% every second.
The Great Feast	Type: Wrathful Effect: Each Minion drains 1.0-2.0 Essence per second but deals 50-75% increased damage. With no Minions, this bonus applies to you and drains 5 Essence per second.

Rogue Malignant Hearts

Malignant Hearts by Class
General	Barbarian	Druid
Necromancer	Rogue	Sorcerer

Malignant Heart	Type and Effect
Cluster Munitions	Type: Vicious Effect: Lucky Hit: You have up to a 20% chance to launch 3 Stun Grenades that deal 26-32 Physical damage and Stun enemies for 0.50 seconds.
Trickery	Type: Brutal Effect: When you use a Subterfuge Skill, leave behind an unstable Shadow Decoy Trap that Taunts enemies. The Shadow Decoy Trap will explode after 6.0 seconds dealing 680-1020 Shadow damage. Cannot occur more than once every 5 seconds.
The Clipshot	Type: Devious Effect: Lucky Hit: Up to a 20-40% chance for your Cutthroat Skills to Slow by 40% for 3 seconds and your Marksman Skills to Knock Back enemies.
The Vile Apothecary	Type: Wrathful Effect: Your attacks have a 5-15% chance to apply all Imbuement effects at 40-50% of normal potency.

Sorcerer Malignant Hearts

Malignant Hearts by Class
General	Barbarian	Druid
Necromancer	Rogue	Sorcerer

Malignant Heart	Type and Effect
Tal’Rasha	Type: Vicious Effect: For each unique element you deal damage with, you deal 7-12% increased damage for 3-10 seconds.
Spellbreaking	Type: Brutal Effect: After taking Elemental damage, gain 20-40% Resistance to that element for 5 seconds.
Spite	Type: Devious Effect: When you are afflicted with a Crowd Control effect, there is a 20-40% chance that the same enemy and enemies around you are also afflicted with the same effect for 3 seconds.
Omnipower	Type: Wrathful Effect: Core Skills that launch a projectile consume all of your Mana. For every 45-35 extra Mana consumed, you launch an additional projectile, and the damage is increased by 3.0-5.0%.

How to Use Malignant Hearts

Used on Rings and Necklaces With Infested Sockets

In Season 1, the Rings and Necklaces that you obtain may have Colored Infested Sockets, which can fit different types Malignant Hearts. To use them, you need to match the color of the Infested Socket with the type of Malignant Heart on your Jewelry. If your Rings or Necklaces do not have a socket, you can add one at the Jeweler, and it will have a random Infested Socket color.

It was also mentioned that there is a type of Malignant Heart called Wrathful. These special Malignant Hearts can be inserted into any Infested Socket, regardless of its color. However, this type of Malignant Hearts are extremely rare and difficult to find.

How to Get Malignant Hearts

Farm Elite Monsters in High Mob Density Dungeons

One of the best ways to get Malignant Hearts is to farm dungeons with high density of mobs since Elites have a chance to spawn an Malignant version. Defeat these Malignant versions to get a Malignant Heart.

Run Malignant Tunnel Dungeons

Malignant Tunnels are new end-game dungeons that will allow you to target farm Hearts upon completion. Conquer these Tunnels to get your desired Heart.

Salvage and Craft Malignant Hearts

You can visit Cormond's wagon to salvage unwanted Malignant Hearts to craft new ones. On average, you will need to salvage 7 Hearts to craft 1 new Heart!

How to Farm Malignant Hearts

What Are Malignant Hearts?

New Items Used on Infested Sockets

In Season 1 (Season of Malignant), which will start on July 21, you can obtain the Malignant Hearts by defeating corrupted enemies and inserting them on Rings and Necklaces with Infested Sockets to activate its unique effect. It has been confirmed that there will be a total of 32 Malignant Hearts upon its release.

Developer Update Livestream July 6, 2023

Malignant Hearts Overview

Season 1 Exclusive Feature Defeat Malignant Enemies to Obtain Hearts Disassemble Hearts to Obtain Invokers Malignant Hearts are Untradable

Season 1 Exclusive Feature

Malignant Heart is a Season 1 exclusive feature that will no longer be available after the season ends. However, it was mentioned in the Livestream that well-received seasonal mechanics may become permanent in future seasons.

Defeat Malignant Enemies to Obtain Hearts

To obtain Malignant Hearts in Season 1, you need to defeat mutated elite enemies with the Malignant affix. After defeating the elite, you need to capture the Malignant Heart that it drops. This will spawn an even more powerful elite enemy that you must defeat in order to obtain the Malignant Heart.

Disassemble Hearts to Obtain Invokers

You can disassemble the Malignant Hearts that you do not need in order to craft a new item called Invokers. These Invokers can be used on a Malignant Outgrowth to spawn a Malignant Elite, which can drop a specific color of Malignant Heart. The Malignant Outgrowths, can be found at the end of Malignant Tunnels, which are scattered across the world.

Malignant Hearts are Untradable

Obtainable Malignant Hearts will be account bound items. However, you can freely trade Jewelry with Malignant Sockets to make sure that you always have a way to equip your desired Hearts!

Best Malignant Hearts

Diablo 4 Related Guides

List of Seasons: How Do Seasons Work?

Season 6 Guides

Season Guides