Three years ago, Serizawa was troubled with about his psychic powers. One day, he was visited by the boss, Suzuki Toichiro. Serizawa ends up trusting him since he's the first person to understand what he's going through. But Mob then brings up the fact that Serizawa is being used and tells him, "I'll be your friend." Hearing Mob say that, Serizawa... 

Meanwhile, after defeating Sho, the boss starts gathering up the energy he was sharing with his followers and turns into an energy monster.
Are you the one who set fire to my house?
هل أنت من أحرق منزلي؟
Hast du etwa mein Zuhause
in Brand gesteckt?
¿Eres quien le prendió fuego a mi casa?
¿Eres tú quién prendió fuego a mi casa?
Attends, c’est toi qui as mis
le feu à ma maison ?
Sei stato tu a dare fuoco a casa mia?
Foi você que colocou fogo na minha casa.
Неужели это ты поджёг мой дом?