Diplopia

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

Effect

 * Duplicates all pickups and pedestal items in the current room, then disappears.

Synergies

 * : Isaac fires 4 tightly-packed tears with no increase in tear delay.
 * Damage down does not stack.
 * : Isaac fires two lasers simultaneously.
 * Isaac gains a powered-up version of Brimstone.
 * : Triples the drops upon clearing a room.
 * : Isaac fires two bombs simultaneously.
 * : Tears upgrades stack and Isaac gains two items at the start of the next run. Stacks up to 10 times.
 * : Two missiles drop, one after the other.
 * : Isaac fires 6 tears. Tears down stat does not stack.
 * : A smaller tear orbits the main tear.
 * : Increase damage for tears and ring.
 * : Isaac fires two knives simultaneously.
 * : The tear burst gains another 10 tears, nearly doubling in size. Stacks up to 5 times.
 * : Isaac fires 8 tears. Tears down stat does not stack.
 * : Only grants 3 more coins. Does not drop more pennies when taking damage.
 * + any active item: While there is no use in duplicating the Schoolbag, it gives Isaac a use for duplicating an active item.
 * : All items in Shops become free. With, items can be infinitely bought for free.
 * This no longer works, as the prices now compound instead of subtracting.
 * : Isaac fires two lasers simultaneously.
 * : Isaac fires two laser rings simultaneously.
 * : Isaac fires 4 tears diagonally.
 * Isaac fires 3 tears, one straight ahead and two diagonally.
 * Spawns an extra item for each item cloned.

Interactions

 * /: Does not allow more than two trinkets to be held at once.
 * : Expends both the card and the item with no additional benefit.
 * Now expends the card without consuming Diplopia, allowing for potential multiple uses.
 * If 2 ? Cards are gathered in the same room, one can be used to duplicate the other, allowing for infinite duplication of everything else in that room.
 * If 3 ? Cards are gathered in the same room, one of them can be used to duplicate infinite ? Cards as well.
 * : Range increases twice. No effect on how many bone tears are fired, how many bone shards are fired, or tear height.
 * : Only increases range further.
 * : Only further decreases shot speed and increases range.
 * : The damage multiplier increases twice as fast, but still caps at double damage.
 * ///: Does not allow more than two pills or cards to be held at once.
 * : The damage and tear multipliers do not stack. The shot speed does stack.
 * : Only further increases range.
 * : Spawns two familiars completely overlapping each other.
 * : Only stat ups and downs compound, but the aura gains no bonus.
 * : Isaac will have two orbital heads, but only one will fire tears.
 * : No effect.
 * : An extra effect is added in the room it was found in, but only a single effect will be given in future rooms.
 * : Increases damage but not chance of concussive tears being fired.
 * , : Spawns a copy of the same Key Piece.
 * : Only further decreases speed.
 * : Only further decreases shot speed.
 * : Increases all stats twice, but damage significantly less the second time as the 1.5x multipliers do not stack.
 * : Only increases range and firerate.
 * : Only increases range.
 * : Only increases range.
 * Only increases HP with no change to the regeneration effect.
 * : Spawns two familiars that completely overlap each other.
 * : No effect. Aura Changes after a second Pickup.
 * : Further decreases tears and shot speed with no increase in damage.
 * Further increases speed with no further effect on movement speed or shot speed of enemies.
 * : Only further increases damage.
 * : Further increases shot speed, fire rate, and range with no other effects.

No Effect


Trivia

 * This is the first Afterbirth item by ID number.
 * Diplopia is the simultaneous perception of two images of a single object, commonly referred to as double vision.
 * This item's icon is similar to.

Seeds
71A9 QSS2 (First floor Shop) HK2C L3NZ (First floor Shop) 8SGX HRFT (First floor Shop)