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.
I'm not mad anymore. 
I'm sure you have a lot going on.
لم أعد غاضباً. أنا متأكّدٌ أنّه حدثَتْ
معك أمور كثيرة
Ich bin dir nicht mehr böse.
Ya no estoy enojado.
Ya no estoy enfadado.
Je suis plus en rogne.
Et je pense que t’avais tes raisons.
Non sono più arrabbiato.
Hai un sacco di cose per la testa, lo so.
Não estou mais irritado. Sei que 
você está passando por muita coisa.
Я уже не злюсь,