There were many of the most difficult world transmigrators in the history of anime, such as: In the movie, Wei WuXian had to face the competition of various forces and the threat of hostile forces after crossing over to another world, and at the same time, he had to solve the problem of his own identity. 2. Naruto Uzumaki in Naruto had to face all kinds of powerful enemies and challenges after crossing the other world, and he had to solve his identity and growth problems. Luffy in One Piece had to face all kinds of powerful enemies and adventures after crossing the other world. At the same time, he had to solve his identity and growth problems. 4. Ishida Yulong in Fate/Stay Night had to face all kinds of complicated interpersonal relationships and combat challenges after crossing into another world. At the same time, he had to solve his identity and growth problems. 5. Alan in the Attack of the Giant had to face all kinds of cruel environments and combat challenges after crossing the other world. At the same time, he had to solve his identity and growth problems.