Binding of Isaac: Rebirth Wiki
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Metal Blocks[ | ]

Metalblock

  • Blocks movement and projectiles.
  • An explosion's blast radius will not extend past it.
  • (except in Repentance) Cannot be destroyed or removed.
  • (in Repentance) Can only be destroyed by walking over while Collectible Mega Mush iconMega Mush is active.
  • (except in Rebirth) Can be re-rolled by the Collectible D12 iconD12 into a destructible obstacle.
  • Can only be moved over via flying or jumping.

Key Blocks[ | ]

Keyblock

  • Acts like Metal Blocks.
  • Requires a key to unlock.
  • Cannot be flown over.
  • Small chance to drop a random pickup when unlocked.
  • (in Repentance) Can be destroyed with a bomb explosion if Broken PadlockBroken Padlock is held.
  • (in Repentance) Can be destroyed without consuming a key by walking over while Collectible Mega Mush iconMega Mush is active.

Pillars (in Repentance)[ | ]

Pillars

  • Blocks movement and projectiles like a regular block.
  • Cannot be flown over, nor can flying enemies or familiars fly over it.
  • Can hide pickups, buttons with beneficial effects (such as opening paths), or enemies behind them.


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