Eugeo is a skilled swordsman who hails from the Underworld in the Sword Art Online series. He is known for his strong sense of justice and unwavering loyalty to his friends, particularly to Kirito. Despite his gentle nature, he possesses remarkable determination and courage, often willing to confront great dangers to protect those he cares about. With a deep interest in swordsmanship, Eugeo trains hard to become a knight, striving to uphold honor and justice within his world. His journey is marked by friendship, growth, and the fight against oppressive forces, making him a beloved character in the series.