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.
No! The president gave me a reason to live!
!لا! منحَني الرّئيس سبباً لأعيش
Nein! Er hat mir einen
Existenzgrund gegeben!
¡No! ¡El presidente vio mi valor!
¡No! ¡El presidente vio mi valor!
Tu mens ! Le directeur a trouvé
de la valeur à mon existence !
No! Il Presidente mi ha dato una ragione per vivere!
Não! O presidente me deu 
um motivo para viver.
Нет! Директор увидел,
что моя жизнь чего-то стоит!