Originally Posted by
Keiyra
Mastery: Combo Breaker (LVL 80)
Grants an 11% chance for Jab to cause your next Tiger Palm to cost no Chi, or your next Blackout Kick to cost no Chi and be usable on targets regardless of their health percentage.
Each point of Mastery increases the chance by an additional 1.4%.
As written mastery only works off of Jab, so that's a big incentive to use it.
I think those numbers may be placeholders still. We don't know how, or if, they scale with weapon damage. Its to early to tell which generator is better, too much data is missing concerning the numbers and mechanics.