Mc: I'm a Rookie, so Impressive!

Traveling through the parallel world, VR technology is highly developed, and my world is developing rapidly. Then he came... Derp: What can I do? Who can I beat? What advantages do I have with traveling? Derp: I am a rookie, and then... Majestic! He had all kinds of weird operations in the Get-Up War, all kinds of fancy routines in the Sky Island War, and he killed 30 troops in the Survival War. He was a military genius. He commanded 500 people and 100 people died in various ways. Later interview: Kung Fu exists, but this game cannot be played without Kung Fu. Twenty years ago, it should have all depended on surgery. With my magician's hands, it should be technical, but unfortunately... Now I can only play with my brain. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.