Crazy Method from Another World

"Traditional Western Fantasy + Multi-World Travel" unexpectedly arrives. The protagonist travels through time and discovers that this place has almost the same settings as the game world he is familiar with. As a tenth-level super archmage, he has already reached the top. Begin the journey of redemption. In adventures and time travels, he saved his friends, found himself, and took on the important task of saving mankind and putting the world right.