In the original manga, Mifune's soul is noted to be worth 99 human souls, a detail omitted in the anime.
The episode opens with Black☆Star blowing his cover during a mission to take down Al Capone and his mafia gang. Despite being an assassin, his need for the spotlight leads him to announce his presence loudly, forcing a retreat. Soul Eater Episode 2
A master samurai dedicated to protecting the young witch Angela. In the original manga, Mifune's soul is noted