Byleth

Byleth is the main protagonist of Fire Emblem: Three Houses, serving as the player's customizable avatar. Players can choose their gender, name, and birthday. Initially a mercenary, Byleth becomes a professor at the Garreg Mach Monastery. They possess the mysterious Crest of Flames and wield the Sword of the Creator. Byleth's origins are closely linked to the goddess Sothis, which is gradually revealed throughout the game. They play a pivotal role in the story, and their choices directly impact the narrative and its conclusion. Known as the "Ashen Demon" for their calm demeanor and combat prowess, Byleth also appears as a secondary antagonist in Fire Emblem Warriors: Three Hopes. Their storyline is central to the game, and their fate varies across multiple routes, shaping the future of the entire Fódlan continent.