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The Twins

AchievementRepentanceUnlock unknown

Achievement details

Achievement number: 570
Description: ???
Requirement: Defeat Isaac, ???, Satan, and The Lamb as Tainted Lilith

How do you unlock The Twins?

In The Binding of Isaac, The Twins is unlocked by earning every normal-mode completion mark as Tainted Lilith.

Structured pathSource-backed requirements are mapped into trackable steps.

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See the full unlock path for The Twins — 6 steps

All of
- Tainted Lilith → Isaac (normal)
  - Tainted Lilith
- Tainted Lilith → ??? (normal)
  - Tainted Lilith
- Tainted Lilith → Satan (normal)
  - Tainted Lilith
- Tainted Lilith → The Lamb (normal)
  1. Defeat Satan 5 times to unlock The Negative. source
  2. The Negative is a guaranteed drop from Mom; take it, then defeat Satan in Sheol and touch the chest to enter Dark Room. source
  3. Find and defeat The Lamb in Dark Room. source
  - Tainted Lilith

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What unlocking The Twins leads to

Source: bindingofisaacrebirth.wiki.gg

Imported 2026-09-13