Plume of Proof is a passive item in Basement Moon, a mod for The Binding of Isaac.

+0.2 Shot speed

Using an active item grants Slow to all enemies for 5 seconds.

Plume of Proof can be found in the following item pools:

The following tags are applied to this item:

The following special synergies and interactions for Plume of Proof have been documented.

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

• Download Basement Moon from the Steam Workshop.