Shadow Monkey is a passive item in Ephemera, a mod for The Binding of Isaac.

After being in a room for 10 seconds, spawns a familiar that chases nearby enemies and Isaac after, dealing 4 damage per tick (24.8 per second).

During this effect, grants darkness for the room.

Keeps doors closed for 3.33 seconds after the room is clear.

Shadow Monkey can be found in the following item pools:

• Download Ephemera from the Steam Workshop.