Fiend FolioDeadly Dose"Powerful pills, fatal addiction"Passive item
On pickupSpawns a Cyanide! pill.

While heldReplaces every new pill spawned with a Cyanide pill, unless the effects of a Cyanide pill are currently active.

Grants an additional chance to spawn a pill upon clearing a room alongside the normal room clear reward, depending on the following conditions:
• If Isaac is not under the effect of a Cyanide pill, the chance is 1/7.

If Isaac is under the effect of a Cyanide pill, the chance starts at 1/3, but decreases for every Cyanide pill taken over the course of the run while not under the effect of a Cyanide pill, using the formula: 1 / (CyanidePillsTaken + 2).
- Tags -- Synergies - - Links - - Costume -
ANNOUNCEMENT The website has been updated with the changes introduced in patch v1.9.7.9 --- check out this video to see what's new! [dismiss]
Search filters
Item type
Trinket type
Trinket quality
Item quality Item pools (any)
Item tags (any)
Transformations (any)
Stat changes (any)
Unlockable Grants costume Has YouTube video Animated icon Favorite (?)

▾ITEMS ()▾


▾TRINKETS ()▾


▾PICKUPS ()▾


▾CONSUMABLES ()▾


▾MACHINES/BEGGARS ()▾


▾CHARACTERS ()▾


▾CURSES ()▾