Butter!

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Butter! is an unlockable trinket added in The Binding of Isaac: Afterbirth †.

Effects[edit | edit source]

Using an active item will drop it onto a pedestal on the ground.
When Isaac takes damage, there is a 2% chance one of Isaac's passive items will drop on the ground.

Void: Items that are normally unusable when holding Butter! can still activate their effects if absorbed by Void.

Consumable actives: Active items that remove themselves upon use do not drop and are consumed as normal.
Controllable actives: Active items that require additional input to control after being used (like The Candle or Breath of Life) create no effect and are dropped on the ground. They retain charge when picked up.
Familiar spawning actives: Active items that spawn Blue Flies, Blue Spiders, or items like Monster Manual will spawn those familiars before dropping.
- This applies to active items that spawn pickups.
Glowing Hour Glass: Is removed from Isaac and dropped, but is given back to Isaac discharged upon going back in time into the previous room. The room in which Glowing Hour Glass was used will not contain another Glowing Hour Glass.
How to Jump: Isaac animates a jump but his movement remains normal and he cannot go over any obstacles.
Metronome: Effect from the Metronome is immediately canceled beyond the gain of hearts, coins, bombs, or keys. Visual effects may persist until leaving the room.
Razor Blade: Deals damage to Isaac as normal but does not increase damage for the current room.

Butter! will immediately cancel the effects of and discharge these active items when dropped, unless they are consumed with Void.

Butter!'s appearance prior to Booster Pack #4.
Concept for the Butter item on the top left corner, along with other trinkets and items, by Edmund McMillen.

Butter! has been added in Booster Pack #1, after the initial release of the DLC.
Butter! was made by Florian Himsl (developer and programmer of the original The Binding of Isaac game).

Bug! When using The Pinking Shears with Butter, only the head is spawn and its effect is very similar to Transcendence.

Active Item Modifiers

Items:

Booster Packs
#1	Hairpin Wooden Cross Butter!
#2	Filigree Feather
#3	Door Stop
#4	Extension Cord
#5	Rotten Penny Baby-Bender Finger Bone