Persona 5 Royal includes a new semester for the Phantom ... To get Insta-kill, you need to get Ryuji's Confidant to Rank 7. Fortunately, Ryuji doesn't have any Social Stat requirement to advance ...

Megido Fire is a ranged weapon incendiary gun in Persona 5. It is the best weapon for protagonist Ryuji. It is used to have early domination in combat with insanely high accuracy and power.