Un-Crits

Un-Crits is a trait in Streets of Rogue. With it, any damage inflicted on the player has a 10% (?) chance to be an "Un-crit" which reduces the damage to 0.

When Un-Crits is upgraded it becomes Un-Crits +. Un-Crits + increases the "Un-crit" chance from 10% (?) to 20% (?).