Bismarck

The leader of The Ironblood and is a Bismarck-Class Ship that serves as an antagonist within Scherzo of Iron and Blood storyline. She originally become chosen as the sole commander of The Ironblood due to her immense power and leadership skills, however, after being influenced by The Sirens, so soon turns on her comrades. Having lost her original self, she serves The Sirens willingly but soon enough, her mind control is broken and she then sacrifices herself in order to assist her original fleet.