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.
If anything, at this rate, 
you'll never be able to return.
على هذا المنوال، لن تتمكّن أبداً من العودة
So wird es dir eher noch schwerer fallen,
alles wieder in den Griff zu kriegen.
De hecho, si sigues así,
no podrás dar marcha atrás.
De hecho, si sigues así
no podrás dar marcha atrás.
Pire encore,
ce sera de plus en plus difficile.
Non puoi continuare così, o non ci riuscirai mai.
Nesse ritmo que está indo, 
logo não terá mais volta.
наоборот, у тебя только
возникнут лишние сложности.