Black Hole
AchievementAfterbirth+Unlock unknown
Achievement details
- Achievement number
- 349
- Description
- Unlocked a new item.
- Requirement
- Defeat 20 Portals
How do you unlock Black Hole?
Source text onlyThe instruction is sourced, but its steps are not mapped yet.
Unlocked a new item.
Verified requirement
Defeat 20 Portals
A structured unlock path has not been mapped for this achievement.
What unlocking Black Hole leads to
Source: bindingofisaacrebirth.wiki.gg
Imported 2026-09-13