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.
You said that bonds with others
are meaningless.
قلتَ أنّ الرّوابط مع الآخرين لا جدوى منها
Du hast ja gesagt, dass Beziehungen
mit Menschen bedeutungslos sind.
Dijiste que los lazos
entre personas no tienen sentido.
Dijiste que los lazos
entre personas son fútiles.
Vous avez dit que les relations
étaient inutiles, non ?
Ha detto che i legami fra persone sono inutili.
Você disse que laços com outras 
pessoas não tem sentido.
Ты сказал, что людские
связи лишены смысла.