Blade from Honkai: Star Rail. swordsman who abandoned his body to become a blade. He pledges loyalty to "Destiny's Slave," and possesses a terrifying self-healing ability. wields an ancient sword riddled with cracks, just like his body and his mind. His mara some times goes out of control. mara is a madness triggered by the accumulation of emotions and memories. A man with fair skin, long black hair with red tips, and red eyes. He doesn't remember much, but the mara still haunts him.