Blue Balls is a trinket in 21 Trinkets, a mod for The Binding of Isaac.

4 seconds after entering an unexplored room, Isaac shouts, damaging and pushing away nearby enemies, and destroying obstacles and doors.

The following tags are applied to this trinket:

The following special synergies and interactions for Blue Balls have been documented.

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

• Download 21 Trinkets from the Steam Workshop.