Binding of Isaac: Rebirth Wiki
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Added in Repentance

Item quality is a hidden item mechanic added in The Binding of Isaac: Repentance, assigned to all items[1]. The quality ranges from 0 to 4 and causes them to behave differently with certain items or automatically get rerolled if certain conditions are met.

Mechanics Affected[]

  • Bag of Crafting Bag of Crafting: Determines what kind of item is given by the bag, depending on the pickups put into it.
  • Birthright Birthright ( Tainted Bethany Tainted Bethany): The Lemegeton Lemegeton wisps spawned by this item are guaranteed to be quality 3 or higher.
  • NO! NO!: If multiple copies, Mom's Box Mom's Box, or a golden version of the trinket is held, items with quality 0 are rerolled.
  • Sacred Orb Sacred Orb: Automatically rerolls items with a quality of 0 or 1, and has a 33% chance to reroll items with a quality of 2.
  • Tainted Lost Tainted Lost: 20% chance of rerolling items with a quality of 2 or less.

References[]

  1. The qualities and categories are defined in items_metadata.xml.


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