D12 is an unlockable activated item added in .
The Binding of Isaac: Afterbirth
Effect [ ]
Re-rolls Rocks and Metal Blocks in the current room into Poops, other Metal Blocks, other Rocks, and/or TNT.
Poops of any type and TNT cannot be re-rolled, although other obstacles may be rerolled into them.
Notes [ ]
Urns, Mushrooms, Skulls, and Polyps can be re-rolled. Depending on the current Chapter, rocks can also be re-rolled into them.
Rainbow Poop, Golden Poop, and Tinted Rocks are much less likely to be created by the D12 than all other obstacles. While TNT can be created by the D12,
Movable TNT cannot be. The D12 will not re-roll
Key Blocks or Fire Places. It also won't re-roll Stone Grimaces, or other enemies. The D12 will not re-roll Spiked Rocks, Fool's Gold Rocks, Pillars, or Marked Skulls.
Synergies [ ]
: Spawns blue die wisps on the middle ring. Wisps' tears have a 5% chance to reroll obstacles they hit. Poops and TNT barrels cannot be rerolled. Book of Virtues
Gallery [ ]
Splash image which appears when D12 is activated.
Trivia [ ]
This item functions almost identically to how the item of the same name works in the Antibirth mod.
The D12 is the only way in the game to remove metal blocks.
Metal blocks can also be destroyed with . Mega Mush
Seeds [ ]
PC YL6N 8KK4 ( Treasure Room above spawn)
Bugs [ ]
Using D12 while is sitting over a pit (not being thrown) will make his head and weapon disappear, rendering him unable to attack and preventing Tainted Forgotten from picking him up, unless the room is left or the run is exited and resumed. This can easily cause a soft-lock. Tainted Soul