In American comics, villain mentor

David is a world-class troublemaker, a famous troublemaker, and the master of the source of chaos.

Because he lost the fight, he traveled to the DC world of American comics!

For a fun-loving person who can improve his cultivation by getting into trouble, what's the difference between going to Gotham and back home!

Murder, set fire, and rob a bank? That's all a small matter, and I don't even bother doing it!

If you want to do it, do it big! Messing up the timeline!

Gotham City has a simple folk customs, and Arkham has a lot of talents.

Environmental Guardian Poison Ivy: My king taught me how to fish from the lake sustainably! Now please call me, New Age Farmer!

Never Kill Batman: What Are Morals? What is order? Can it be eaten? Put the Flash on the car and set off a big firework for Wang!

Helpful clown brother: It was the king who taught me what pattern is! He is the eternal light in my life! Both virtue and art are good!

....

Other time-travelers were beaten to death and slowly developed.

David: Drinking wine, picking up girls, getting married, stealing power, and swallowing up the world!