Frenzy, also known as Counter Mastery before it is unlocked, is a passive skill unique to Blake Belladonna in RWBY: Grimm Eclipse. It is unlocked by performing 300 successful counters. This ability doubles the damage of Blake's counters from 60 to 120. It costs 1 point to use.
Frenzy was known as Coup de Grace before it was unlocked. It was a passive skill unique to Blake. Frenzy was unlocked by killing 50 enemies with the last hit of a combo. This ability caused the final hit of a combo to deal double damage (50 damage) and added 2 hits to the combo hit counter.