This category contain all articles related to the noncanon expansion series Antibirth without any Rebirth-related content.
“Beelzeblub is a new Boss added in "The Binding of Isaac: Antibirth". Which is a Mod only for The...Beelzeblub
“The Heretic is one of the bosses in Antibirth and appear in the Mausoleum. It is either the...The Heretic
“Baby Plum Floor(s) Basement Related Boss(es) Reap Creep, The Pile Effective item(s) None Item...Baby Plum