Buildup Boost
Increases attack power when you land attacks that build poison, paralysis, sleep, blast, or exhaust. (Exhaust - ammo/phials/coatings only)
Lv. 1: While active, increases attack power by 10%
Lv. 2: While active, increases attack power by 15%
Lv. 3: While active, increases attack power by 30%
Risen Mizuha Gaiters 
Risen Mizuha Robes 
Risen Mizuha Sleeves