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Item icon
Item altar
"Rerolls rocks"
Table dividing line 1.png
Item ID
Table dividing line 2.png
Recharge Time
3 rooms 3 rooms
Table dividing line 3.png
Collection Grid
Added in Afterbirth † / Removed in Repentance(page 4, column 1, row 2)
Removed in Afterbirth †(page 4, column 1, row 2)
Added in Repentance(page 4, column 2, row 2)
Unlock Method
D12 Defeat Hush as Cain Cain
Added in Afterbirth

D12 is an unlockable activated item added in The Binding of Isaac: Afterbirth.

Effect[edit | edit source]

  • Re-rolls rocks and metal blocks in the current room into rocks and their variants, poops and their variants, TNT, and metal blocks.
    • Poops of any type and TNT cannot be rerolled, although other obstacles may be rerolled into them.

Notes[edit | edit source]

Strategies[edit | edit source]

  • When used in rooms filled with obstacles, the large quantity of poops and TNT the D12 can create makes obtaining a large amount of coins and hearts, as well as the trinkets Counterfeit Penny Counterfeit Penny, Petrified Poop Petrified Poop, Match Stick Match Stick, and Burnt Penny Burnt Penny very easy. The penny trinkets can especially benefit from all of the coins generated.
  • The D12 can be used to access otherwise unreachable spots or items (for instance, when they are surrounded by metal blocks or when Isaac doesn't have bombs).

In-game Footage[edit | edit source]

Seeds[edit | edit source]

PC Normal mode only YL6N 8KK4 (Treasure Room above spawn)

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