Enter the prarice mode and enable the codes of Orochi Leona, Iori and the Orochi Team, then highlight Orochi Chris and press L + R + Y + Z + B at the character selection screen.
Play as Orochi in the pratice mode
Highlight Iori, then hold Start and press Left, Right, Left, Right, Left, Right, Left, Right, Left, Right, X + A at the character selection screen simultaneously.
Play as Orochi Iori
Highlight Leona, then hold Start and press Up, Down, Up, Down, Up, Down, Up, Down, Up, Down, Y + B at the character selection screen.
Play as Orochi Leona
Enter the Orochi iori and Leona first, then highlight Leona, then hold Start and press Up, Left, Down, Right, Up, Down, X + B at the character selection.
Play as Orochi team