Byleth is a character in Fire Emblem: Three Houses. Byleth serves as a professor at Garreg Mach Monastery. They possess the mysterious Crest of Flames and can wield the Sword of the Creator. Byleth is also the lieutenant of a mercenary group. She uses a longsword and is very skilled in swordsmanship. She has a very fit curvy body, and neither laughed or cried at all in her life, though this will change. She has dark blue hair and and blue eyes, and wears an amulet around her neck.