Echo Chamber
ItemRepentanceLocked
passiveGame ID 700★★★★
How do you unlock Echo Chamber?
In The Binding of Isaac, Echo Chamber is unlocked by earning the The Beast completion mark as Tainted Apollyon.
Structured pathSource-backed requirements are mapped into trackable steps.
When Isaac uses a Card, Pill, or Rune, he also uses a copy of the previous three Cards/Pills/Runes he used after picking up Echo Chamber.
What unlocking Echo Chamber leads to
Nothing depends on this yet.
Source: bindingofisaacrebirth.wiki.gg
Imported 2026-09-13