Bismarck

ビスマルク

She is the leader of The Ironblood and a Bismarck-Class Ship who serves as an antagonist in the Scherzo of Iron and Blood storyline. Originally chosen as the sole commander of The Ironblood because of her immense power and leadership skills, she soon turns on her comrades after being influenced by The Sirens. Having lost her original self, she serves The Sirens willingly, but her mind control is eventually broken, leading her to sacrifice herself to assist her original fleet.