Fight as Zankuro:
Highlight the "Random Select" icon at the character selection screen and press Down(2), Up(2), Down, Up(2) . Zankuro will appear below the "Random Select" icon.

Fight as Shiki:
Highlight the "Random Select" icon at the character selection screen and press Up(2), Down(2), Up, Down(2). Shiki will appear above the "Random Select" icon.

Lose round:
Press A + B to dodge, then press Up(2) during a match. Note: your power gauge will be filled when the next round begins.

Dropping your weapon:
Press A + B to dodge, then press Down(2) during a match.

Getting your weapon back:
Go next to your weapon, then press A. Note: Your fighter will be prone to attack while retrieving the weapon.