Atro Spiker

Atro Spiker is the teacher of Adlet Mayer. He is an old warrior who has lived for more than 700 years despite being human.

Training
Atro teaches his students the techniques, knowledge and skills to fight Kyouma and become a true warrior. This training method is cruel. People from various places in the continent come to him so he can teach them but it is said that, due to the difficulty, none of them were able to complete their training.

Adlet is the only known person to have completed his training, which took 7 years.