The Reaper’s Class Identity is built around three Modes; Normal Mode, Persona Mode, and Chaos Mode.
While in Normal Mode, the Persona Meter fills up over time and each time a skill hits the target. When the Persona Meter is full, you can enter Persona Mode by pressing Z. The Chaos Meter increases upon every successful Dagger Skill and Shadow Skill hit while the Persona Meter is full. When the Persona Meter is full, enter Chaos Mode by filling up the Chaos Meter through continuously using Dagger and Shadow skills without pressing Z.