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Glowing Baby

AchievementRepentanceUnlock unknown

Achievement details

Achievement number: 427
Description: Defeat Mega Satan with Bethany.
Requirement: Defeat Mega Satan as Bethany

How do you unlock Glowing Baby?

In The Binding of Isaac, Glowing Baby is unlocked by earning the Mega Satan completion mark as Bethany (Character).

Structured pathSource-backed requirements are mapped into trackable steps.

Defeat Mega Satan with Bethany.

Bethany (Character) → Mega Satan (normal)
1. ??? or The Lamb must be defeated once for the Golden Gate to spawn. source
2. Open the Golden Gate by combining Key Piece 1 and Key Piece 2 into the Golden Key, or by using Dad's Key or another gate-opening effect. source
3. Reach the starting room of Chest or Dark Room, pass through the Golden Gate, and defeat Mega Satan. source
- Bethany (Character)
  - Bethany (Achievement)
    How to unlock: Defeat Mom's Heart or It Lives! on hard mode as Lazarus, without dying at all

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What unlocking Glowing Baby leads to

Dead God

Source: bindingofisaacrebirth.wiki.gg

Imported 2026-09-13