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.
as well as all the guys outside.
وكذلك الأشخاص الذين في الخارج
und die Leute draußen zu überzeugen.
ainsi que les autres dehors.
e tutti quelli là fuori.
assim como todos os caras lá fora.
и тех, кто ждёт снаружи.