Side Smash - Master Chief pulls out his MG, aims (charge) and fires off a full clip.
Up Smash - The Impaler. Master chief crouches, swings the sword from in front of him upwards and then jumps up about the height of a shorthop with the sword above him.
Down Smash - Master Chief crouches down and lays a frag grenade on the ground. Then he straightens up. This grenade acts just like snake's grenades as soon as the attack finishes; it can be picked up, attacked, thrown, and explodes when it comes into contact with a hitbox or after 4 seconds.
Defeating all the other warriors was no small feat. He had done it all by himself, and was proud that he had represented the Spartan Army. As much as he would have loved to enjoy his celebration, he had a war to fight. He was trasported back to his world, where he continues to fight against the Alien Armada.
Playable Characters in Super Smash Bros. Smash Wars