Best in battle:Use Kai with the Pheonix Talons in Giant Kill mode.Easy kill with Kai:At the beginning of the battle, wait a few seconds, until everyone encircles you, then hit the Y button repeatedly. After defeated 10 opponents, they will become smarter and try to back you into a corner. Then, use your hammer (repeatedly hit the Y button) to defeat them. As a giant, you are more powerful than a regular fighter and you have enough health. About 3 swings will kill a group.