Eon (Appearance: Chapter 1)
Zegion (Appearance: Chapter 2)
Apito (Appearance: Chapter 2)
Amenonuhoko (Appearance: Chapter 3)
Rimuru Tempest (Appearance: Chapter 5)
Erebus (Appearance: Chapter 7)
Arakan (Appearance: Chapter 10)
Carrera (Appearance: Chapter 11)
Diablo (Appearance: Chapter 13)