Fight Mech Zangief: Perform 3 Crossover Combination finishes and 2 Hyper Combo finishes. Fight Dark Sakura: Perform 4 Crossover Combination finishes and 1 Hyper Combo finish. Fight Shadow: Use the Swap Trick (holding 3 punches before the fight starts) in EACH battle (including the battle 6), get a "First Attack" in Each battle and finish 4 battles with a Crossover Combination Finish and the last one with a Hyper Combo Finish or a Crossover Combination Finish.