In-game pickup line
“Rip and tear”
Mechanics
What Berserk! does
- Damage dealt fills Berserk! rather than standard room clears.
- Using it starts a five-second melee state with +0.4 Speed and +3 Damage; melee attacks reflect enemy shots.
- Each kill extends the state by one second and briefly makes Isaac invincible.
From the game files
Recharge
This item uses its own charge rule. See its effects for how it can be used or refilled.
Achievement #590
How to unlock it
Defeat Delirium as Tainted Samson.
Tainted Samson has a separate innate berserk state; this achievement unlocks the Berserk! active item.
Unlocking an item and finding it during a run are separate steps.
Explore more unlocksIn a run
Practical note
Enter a crowded room with the item ready, then chain kills to extend the short starting duration.
Reference
Game data and sources
The item ID, quality and pool listings, icon, game-file tags, and short pickup line come from the extracted Repentance files. This effect explanation is an editorial summary checked against the references below. Repentance+ can differ. Charge and pickup values shown above also come from the extracted items.xml.
