[whsie]

Spoiler for volumes and enemy:

Volume 3- Vethpraga
Volume 11- Meiarese and Salvatore
Volume 1- Athena Part I
Volume 2- Vaubaurn
Volume 4- Perseus (the one who killed Medusa).
Volume 5- Ena + Divine Blade
Volume 6- Luo Hao
Volume 7- Sun Wokong/Monkey King
Volume 8- SS
Volume 9- Athena Part II and Lancelot Part I
Volume 10- Black Prince Alec and Lancelot Part II