Blizzard has announced more details on Season of the Malignant, including details on the new mechanic, Malignant Hearts! Here are all the 32 Malignant Hearts coming with Diablo 4 Patch 1.1.0 — which ones will you want for your build? Patch 1.1.0 Patch Notes Season of the Malignant Official Blog Post
General
The Picana (Vicious, Offensive): 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 (Vicious, Offensive-World Tier III): 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 (Vicious, Offensive-World Tier III): You gain 40-60% Critical Strike Damage but your Non-Critical Strikes deal 20-15% less damage. The Lionheart (Brutal, Defensive): You gain 10% Barrier Generation. You Heal 3-7 Life per second while you have an active Barrier. Revenge (Brutal, Defensive-World Tier III): 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 (Brutal, Defensive-World Tier III): 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 (Devious, Utility): Resource draining effects are 40-50% less effective. In addition, gain 3.0-8.0% increased Resource Generation. Retaliation (Devious, Utility-World Tier III): Deal 510-680 Fire damage to surrounding enemies whenever a Crowd Control effect is removed from you. The Read more on wowhead.com