Mothership-04 is a familiar in Heaven's Call, a mod for The Binding of Isaac.

Spawns a small U.F.O. familiar that roams the room.

The U.F.O. generates protective shields for Isaac.

Its power increases by one level when combined with other Mothership modules: , , .

Other Mothership modules appear more frequently.

At level 1:
Grants a shield every 5 rooms.

At level 2:
Grants a shield every 3 rooms.
U.F.O blocks projectiles.

At level 3+:
Isaac can stack up to 2 shields.

Mothership-04 can be found in the following item pools:

The following tags are applied to this item:

The following special synergies and interactions for Mothership-04 have been documented.

* Note that not all possible synergies and interactions are listed here.

• Download Heaven's Call from the Steam Workshop.