Global: Demons Roam the World

Upgrade + demons and monsters + high martial arts... "I'll tell you a secret, I can become stronger by killing monsters!" There is no world peace here, and there are not so many saviors. This is a world of demons and monsters... If humans want to fight, they can only become stronger and stronger... A 100-meter-tall monster, an alien riding on an alien planet... This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.