Warden

Hostile (boss-tier)Health: 500 (250 hearts)JavaBedrock

Quick answer: Deep Dark biome, summoned by sculk shriekers after 4 warnings. Spawns from the ground near the shrieker.

How to find Warden

Deep Dark biome, summoned by sculk shriekers after 4 warnings. Spawns from the ground near the shrieker.

Spawn conditions: Only when a player activates naturally generated sculk shriekers four times; light level has no effect. It emerges from the ground within an 11x13x11 area around the shrieker.

Drops

ItemAmountNotes
Sculk Catalyst1Spreads sculk when mobs die nearby; only drop

How to kill Warden

You are not meant to fight it: sneak away and break the shriekers. It has huge health (500) and its ranged attack ignores armor and Protection.

Behavior

Blind: hunts by vibrations and by sniffing. Vibrations from players, mobs, projectiles and minecarts attract it. Digs down to despawn after 60 seconds without a target. Source: minecraft.wiki Warden.

Taming and breeding

Cannot be tamed or bred.

Related mobs: Ender DragonWither