Number Magnet
AchievementRepentanceUnlock unknown
Achievement details
- Achievement number
- 555
- Description
- ???
- Requirement
- Defeat Mother as Tainted Judas
How do you unlock Number Magnet?
In The Binding of Isaac, Number Magnet is unlocked by earning the Mother completion mark as Tainted Judas.
Structured pathSource-backed requirements are mapped into trackable steps.
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- Defeat Hush 3 times to unlock A Secret Exit. source
- After A Secret Exit is unlocked, a locked door to Downpour appears after completing Basement/Cellar/Burning Basement I or II. source
- Collect Knife Piece 1 in Downpour/Dross II. source
- Collect Knife Piece 2 in Mines/Ashpit II. source
- After defeating Mom in Mausoleum/Gehenna II, stab the flesh door that appears with the knife familiar to open it. source
- Defeat the Mausoleum version of Mom's Heart behind the flesh door, then reach Corpse II and defeat Mother. source
How to unlock: Use Red Key (etc.) to open the hidden closet in Home as Judas
What unlocking Number Magnet leads to
Source: bindingofisaacrebirth.wiki.gg
Imported 2026-09-13