Fierce Mask is an unlockable passive item in Job, a mod for The Binding of Isaac.

(What's a tainted item?)

While in a boss room:
Applies the effect of Spirit Sword.
+0.20 speed.
Minimum of 4 damage.
+1.5 luck.
Isaac can't use any active items or consumables.

Costs 57,000 points in Job extras.

Fierce Mask can be found in the following item pools:

The following tags are applied to this item:

• Download Job from the Steam Workshop.