Apollyon Baby
| Id | 56 |
| Information | Apollyon Baby is a Co-op Baby in The Binding of Isaac. |
| Description | Starts with  Halo of Flies. |
| Unlock | Earn all Hard Mode completion marks as  Apollyon. |
| History | This baby was added in Afterbirth+. |
| Id | 56 |
| Information | Apollyon Baby is a Co-op Baby in The Binding of Isaac. |
| Description | Starts with Halo of Flies. |
| Unlock | Earn all Hard Mode completion marks as Apollyon. |
| History | This baby was added in Afterbirth+. |