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.
Holy cow... I just talked 
to the prime minister!
!مُذهل! تكلّمتُ مع رئيس الوزراء للتو
Krass. Ich hab mit dem
Premierminister gesprochen.
Genial. Hablé con el Primer Ministro.
No me lo creo.
He hablado con el Primer Ministro.
Ouah…
J’ai parlé avec le Premier ministre.
Ma pensa che roba... ho parlato col primo ministro!
Ah, cara... Acabei de falar 
com o Primeiro-ministro.
Круто...