Complete the following goals to unlock the corresponding costume 
for the indicated character.

Luffy's group's third costume: Successfully complete training mode 
as Luffy, Zorro, Nami, Usopp, Sanji, Chopper and Robin.

Luffy's group's fourth costume: Win Grand Battle (three rounds, 
hard difficulty, unlimited time) with Luffy's group's third costume 
against any CPU player. Note: You must win all three rounds with a 
level 2 special.

Shanks' third and fourth costumes: Unlock Luffy's third and fourth 
costumes, then successfully complete training mode as Shanks.

Wiper's third costume: Unlock Luffy's and Shanks' third and fourth 
costumes, then successfully complete training mode as Wiper.