Spawns a familiar that follows Isaac around and fires spectral tears that deal 3.5 damage each.
Ghost Baby shoots once per second.
Ghost Baby 1.36 times a second.
This item belongs to the Conjoined set. Collecting three items from this set will transform Isaac into a three-faced version of himself.
Notes
Together with Dry Baby, this item has a 0.50% chance to spawn from blown up skulls.
Familiars that follow behind Isaac have a certain priority in how close their position is to him over other familiars, with Ghost Baby having 5th priority.
There was a bug in the original game where picking up Ghost Baby for the first time could grant you the Platinum God achievement, even if you lacked other items on the collection page.
Ghost Baby shoots once per second.
Ghost Baby 1.36 times a second.
This item belongs to the 
Conjoined set. Collecting three items from this set will transform Isaac into a three-faced version of himself.
Dry Baby, this item has a 0.50% chance to spawn from blown up skulls.
Mongo Baby: Will copy Ghost Baby’s tears.
The Binding of Isaac: Rebirth
