Quick Scoop

To unlock The Forgotten in The Binding of Isaac , you need to beat the first floor boss in under 1 minute, then bomb the starting room to get the broken shovel piece. After that, clear Boss Rush while carrying it, and finally use Mom’s Shovel in a dirt patch room in the Dark Room to unlock the character.

Steps

  1. Start a run and kill the first floor boss in under 60 seconds.
  2. Return to the starting room and bomb it to reveal the first shovel piece.
  3. Keep holding the broken shovel through Boss Rush to complete Mom’s Shovel.
  4. Go to the Dark Room, find the room with the dirt patch/grave-like spot, and use the shovel there to unlock The Forgotten.

Useful tips

  • Many players pick Azazel because he is fast and can handle the early boss quickly.
  • Don’t drop or replace the shovel piece before Boss Rush, or you can ruin the unlock attempt.
  • Once Boss Rush is cleared, the stomping chase stops, making the final Dark Room section much easier.

Practical route

A common path is: fast first-floor boss, bomb the start room, rush through to Boss Rush, then head straight for the Dark Room and use the completed shovel on the dirt patch.

Bottom note

Information gathered from public forums or data available on the internet and portrayed here.