Clearing all Powerful Shadow requests will cause the Reaper, an immensely powerful Persona, to appear. Beating the Reaper will then unlock the Takeover feature.   Powerful Shadow Boss Guide Request & Location Weakness Rewards Fallen Snowman Black Frost Halt the Strutting Little Imp (Shibuya Jail) Bless and Psy (via Fear) Black Frost Persona fusion, C.S … Continue reading Persona 5 Strikers – How to Unlock Reaper Secret Boss