I Follow the Way of Martial Arts in a Fantasy World

"I don't need to explain to you, and I don't need to gain your trust." "I'm just following my own path and getting the job done." "If you can use my full strength to speak, the premise is that you are still alive!" ———————— This is probably a story about an ordinary person using martial arts to follow martial arts in a fantasy world. [The world of middle and low demons] [Story about the journey] [The male protagonist is the strongest... Maybe?