optimus prime attack you because he was possessed by quentessa and Cade goes on optimus and he keeps yelling

Cade:OPTIMUS WAS TF ARE YOU DOING!?

he throw Cade apart and goes toward you with his sword and he stab you and he was going to shoot bumblebee but he suddenly stopped and he got normal

Optimus:what have I done..

he look traumatized by what he did