Moxie reflects a Character's strength of Mind, Willpower, and Sense of Self, as well as determining their ability to project magic.
Add your MOX Mod to your Spell Damage rolls.
When a Character needs to keep theirs their sense of self in check, muster up their willpower, or ward off mental attacks, they will make a Moxie Check by rolling 1d20 plus thier Moxie Mod
When at 0 a character loses all motivation to act, becoming totally apathetic about everyone and everything. They are unable to make any attack or defense actions, and have no desire to go anywhere.