In-game pickup line
“I'm a big boy now!”
Mechanics
What Mega Mush does
- For about 30 seconds, Isaac gains a large damage multiplier, extra range and invulnerability.
- He can trample enemies and break obstacles, and the effect continues between rooms.
From the game files
Recharge
Standard recharge12 room clears
Standard room-clear recharge. Batteries and other effects can change how quickly it refills.
Achievement #547
How to unlock it
Earn every Hard mode completion mark as every non-tainted character.
Unlocking an item and finding it during a run are separate steps.
Explore more unlocksIn a run
Practical note
Use it when several difficult rooms or a boss can fit inside the same transformation window.
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.
