Yachiyo is a playable character from Dragalia Lost.
A glory-seeking samurai who speaks an old dialect. Based on advice from her grandfather, she seeks to achieve greatness by challenging a thousand warriors, but is now so skilled that none dare face her in combat.
Official Description (Armored Yachiyo)
Yachiyo dons armor bequeathed unto her by her grandfather and sister to settle her score with the Mukuroshu. She now wields her sword as a blade of righteousness to protect those she holds dear.