User blog comment:Dragon´s Blade/World Coexistence Alliance/@comment-24376783-20141019171530/@comment-24376783-20141019235941

Walter ran at Akuma while dodging from side to side until he was right on top of him. His eyes turned red as his hands became surrounded in energy. "Game over." Walter punched Akuma hundreds of times like lightning, each one generating a powerful concussion blast before he finally planted his foot down and punched Akuma in the face.

(That would be Walter's Ultra.)