Mega Mewtwo X

Mega Mewtwo X is the mega evolved, and is one of the stronger forms of Mewtwo. He is fighting and psychic type.

Appearance
He looks just like Mewtwo, except he has some muscles, and a bulkier body. He also has a few other additions.

Personality
Mega Mewtwo X is smart and wise. He is quite powerful. His personality is just like Mewtwo's.

In the Locked Rooms
Mewtwo transformed into it when he was rivaling Me's power on Golrem. He tranformed into it again when he was attempting to destory the Dark Star.