Lemegeton

ItemRepentanceLocked

activeGame ID 712★★★★

How do you unlock Lemegeton?

In The Binding of Isaac, Lemegeton is unlocked by earning the Delirium completion mark as Tainted Bethany.

Structured pathSource-backed requirements are mapped into trackable steps.

Spawns a destructible orbital familiar representing a random passive item, which blocks shots and deals contact damage. While the wisp is alive, Isaac gains that item's effects.

Lemegeton (Achievement)
- Tainted Bethany → Delirium (normal)
  1. Defeat Hush to unlock The Void. source
  2. A Void portal can appear after a major boss; defeating Hush guarantees one. source
  3. Defeat Delirium, the main boss of The Void. source
  - Tainted Bethany

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What unlocking Lemegeton leads to

Nothing depends on this yet.

Source: bindingofisaacrebirth.wiki.gg

Imported 2026-09-13