Day after day, the Akatsuki threat grows! It's time for our heroes, now seasoned, to train to master their new techniques and special powers. The ninjas will make the most of their skills to inflict damage and knock out their opponents! The last ninja standing wins! And once you've mastered the finer points of ninja combat, it's time to take on the fearsome Akatsuki duos, formidable opponents that require multiple players to defeat!