It would be good if he also some defense like the swordsmanship to lessen his suffering from what i can see learning the magic will take time and he's just relying on some artifact
Idk if it applies but what if his body isn't strong enough when he goes back in time when he dies? Like how some manga have it where they remember the moves but are unable to do then
It would be good if he also some defense like the swordsmanship to lessen his suffering from what i can see learning the magic will take time and he's just relying on some artifact