Sword Castle (Blade Protector)[]
- Arthur: Blade Protector
- Voiced by: Mamoru Miyano
- Faye
- Voiced by: Kanae Itou
- Lancelot
- Voiced by: Hiroshi Kamiya
Tech Chapter (Techno Smith)[]
- Arthur: Techno Smith
- Voiced by: Rina Satou
- Reafe
- Voiced by: Eri Kitamura
- Gawain
- Voiced by: Daisuke Namikawa
Magic Guild (Sorcery King)[]
- Arthur: Sorcery King
- Voiced by: Rie Kugimiya
- Elle
- Voiced by: Yuka Iguchi
- Galahad
- Voiced by: Kana Hanazawa
Others[]
- Merlin
- Voiced by: Shouzou Sasaki
- Guinevere
- Voiced by: Mariya Ise
- Mordred
- Voiced by: Jun Fukuyama
Witches[]
- Morgause
- Voiced by: Satomi Akesaka
- Elaine
- Voiced by: Satomi Arai
Eleven Kings[]
- Lot
- Voiced by: Ryoutarou Okiayu