"What will it be?" Item ID
Collection Grid (page 4, column 11, row 6) (page 4, column 12, row 6)
D1 is an unlockable activated item added in .
The Binding of Isaac: Afterbirth †
By dropping a card, rune, or pill in a room with no other pickups, then using D1, this item can function similarly to
, Blank Card , and Placebo . Clear Rune
can not be duplicated. Rune of Jera Mimic Chests will not be duplicated.
A normal Chest may be duplicated into a Red Chest or a Mimic Chest.
Opened chests will be duplicated into an unopened copy.
A duplicated trinket is mostly useless, as you cannot pick up two of the same trinket even with
/ Mom's Purse or Belly Button .
Smelter It is possible to duplicate shop pickups that have not been purchased yet.
, it is possible to infinitely generate Lil' Batteries from a single Lil' Battery. Car Battery In combination with a
48 Hour Energy and , the initial Locked Chests on Paper Clip The Chest can be infinitely duplicated and opened. In Greed mode, if a Lil' Battery appears in the Shop and a is acquired, infinite money can be gained by duplicating the Two of Diamonds. 2 of Diamonds
D1 is the only dice item that doesn't re-roll anything.
As such, its description, in certain cases, can be ironic, as the outcome is entirely predictable if there's only one pickup. This makes sense because the dice only has one pip on each of its 6 sides.
PC 34HF 9E4F (Treasure Room adjacent to spawn)