Patch Werk

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Patch Werk
Patch Werk
Patch Werk.gif
Classic mode icon.png Classic
Expert mode icon.png Expert
Master mode icon.png Master
TypeMini-bossUndead Enemy
EnvironmentBlood Moon
AI TypeFighter AI
Damage306090 (Melee)
40 (Shockwave)80 (Shockwave)
Max Life50010001500
KB Resist90%91%92%
Immune toCrowd Control.pngConfused.png
Coins3000*30 Silver Coin.png
"A horrifying creature formed from the maggot-filled, fallen remains of Terrarians. It calls out to anyone listening, begging to be put down."

Patch Werk is a mini-boss that appears during a Blood Moon. Defeating Patch Werk is required for the Confused Zombie NPC to spawn. After Patch Werk is defeated, an Abomination with similar stats will spawn instead in subsequent Blood Moons.

It is one of the few entities that can be detected by the Lifeform Analyzer or its upgrades, with a rarity of 5.

While Patch Werk is alive, the music Stronger Foe will play.


Patch Werk spawns naturally during a Blood Moon and this can happen at any time during the event.

If it is not defeated when the event ends, it will walk away like other nighttime enemies.

After Patch Werk has been defeated at least once within the world, it can be resummoned again with the Fresh Brain.


Patch Werk acts like a normal zombie, as it utilizes the Zombie AI. It cannot fit through gaps smaller than 4 blocks. It will occasionally send out a damaging shockwave while simultaneously summoning Famished Maggots. In Expert Mode the shockwave attack will summon 4 Famished Maggots and one Bursting Maggot instead.

When it is defeated, a status message will appear, saying: "The dreaded Patch Werk falls apart..."


Image Name Condition
Famished Maggot.png Famished Maggot Always (shockwave attack)
Bursting Maggot.png Bursting Maggot Always (shockwave attack) in Expert Mode


  • If you log out while Patch Werk has spawned, it will despawn like normal enemies.
    • This will not count towards defeating him.


See Also