For 1 coin, damages all enemies in the room.
While held, causes multiple Mom's Foots to come down and stomp on Isaac. One of two parts necessary to create Mom's Shovel.
When at full health, up to 4 extra hearts can be stored in the jar.
Isaac releases bad gas, poisoning any enemy in close vicinity.
Summons a controllable ghost that can perform various tasks depending on what it targets.
When used, the Mega Bean will freeze all enemies in the current room for a couple of seconds, deal 5 damage and poison any enemies near Isaac, and send a wave of spikes that deals 10 damage across the room in the direction Isaac is facing.
Freezes all enemies until a fire button is pressed.
Removes one red heart container in exchange for gaining 3 Soul Hearts.
Upon use, turns Isaac's head into a stationary familiar for the current room which fires normal tears that deal 3.5 damage.
Upon use, petrifies all enemies in the current room for approximately 4 seconds.
Re-rolls all rocks in the current room into other random objects, such as bomb rocks, metal blocks, TNT, or poops.
When used, copies the effect of the pill Isaac is currently holding without consuming it. Does not copy the effects of cards or runes.
Can be used to place an orange portal and a blue portal. Upon entering a portal, Isaac is teleported to the other portal.
Upon use, rerolls all passive items on Isaac like the D4, every pedestal item in the room like The D6, and every pickup like the D20.
Damages all enemies in the room significantly.
Spawns six troll bombs around the room.
Throws out a blue flame that can pass over gaps (but not through rocks). The flame damages anything in its path.
The Book of Belial
Upon use increases damage by 2 for the current room and by a further +50% if the character also has the Blood of the Martyr.