Gain 1 Energy at the start of each turn. Whenever you open a Chest, obtain a Curse.

Activates upon opening a Chest; skipping the Chest will avoid the Curse.

Cursed Key is a Boss Relic.


  • Positive
  • Negative
    • Matryoshka does not do anything unless you open the chest, giving a Curse you might wish to avoid.

Update History

  • Weekly Patch 40: Forethought
    • Cursed Key was not pulsing and flashing to indicate it was active when treasure was found in ? rooms.
  • Weekly Patch 30: Skewer
    • Fixed issue where relics like Cursed Key given by custom seeds didn't work.
  • Weekly Patch 21: Channel Lightning
    • Cursed Key now pulses when you are in a chest room.
  • Weekly Patch 8: Ooh Shiny!
    • Cursed Key relic no longer gives curses at Boss chests.
  • Weekly Patch 3: Balance Balance Balance
    • Curses obtained through Cursed Key and a few other places now marks them as seen properly (no longer unknown!).
Community content is available under CC-BY-SA unless otherwise noted.