Binding of Isaac: Rebirth Wiki
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Added in Repentance

Expansion Pack is an unlockable trinket added in The Binding of Isaac: Repentance.

Effects[]

  • Upon use of an activated item, activates the effect of another random activated item.
    • The random effect is any activated item with charge time of 1 or 2 rooms ( with the exception of Metronome Metronome and D Infinity D Infinity). View the page on activated items for a complete list.
    • Timed recharge and infinite use items trigger the effect once per room. Re-entering the room will allow Expansion Pack to trigger again.

Notes[]

  • One time use, timed recharge and infinite use item effects are not available.
  • Dead Sea Scrolls Dead Sea Scrolls qualifies for Expansion Pack as its (base) charge time is 2 rooms. This may result in activations of items not normally selectable by Expansion Pack.
  • If an item like Bob's Rotten Head Bob's Rotten Head or Shoop Da Whoop! Shoop Da Whoop! is selected, firing it will be counted as another item use and activate Expansion Pack a second time.


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