In these fanfictions, it's common for the trainers' existing skills and knowledge to be tested and expanded. Also, the exploration of the new world's landscapes and mysteries often plays a big part. Sometimes, there are even hidden secrets or quests that only the trainers can uncover.
Often, you'll find unique challenges and adventures that the trainers face in the unfamiliar world. Maybe there are new creatures or magical elements they have to deal with.
Well, usually such crossovers involve the trainers having to adapt to different rules and cultures of the new world. They might also gain new skills or powers to survive and thrive there. Another common thing could be meeting unexpected allies or foes.
Look to Chapter 100 for the clearest answer. It begins with The barrage was about to die of laughter., keeps building through [Hahahaha, help, why is the young master always being chased!] [Next door,..., and lands on Her eyes flickered slightly as she grabbed the hand..
A practical answer is Chapter 97, because it turns the idea into a concrete scene. The chapter opens with Suddenly, Jiang Li's livestream room was packed with people, and the..., adds pressure through Master, you're the only one who can help me now., and ends on And you believe what she says?.
If you want the clearest chapter reference, go to Chapter 86. Early on, After over an hour of fuss, it was finally time to eat.; later, the chapter leans on Qi Tianyu, starving, crazily scooped up his curry rice into his mouth..
If you want the clearest chapter reference, go to Chapter 78. Early on, He Yun, too, tidied up and walked over to rest in the shade of a tree.; later, the chapter leans on After more than an hour of basking in the sun, his cheeks were....
If you want the clearest chapter reference, go to Chapter 63. Early on, During those seven days, he thought he had completely escaped from that...; later, the chapter leans on But now it seemed he hadn't..
A practical answer is Chapter 107, because it turns the idea into a concrete scene. The chapter opens with On the plane, when He Yun had taken off his mask and greeted her..., adds pressure through After a brief, composed delay and a small nod, she said, "OK, Brother..., and ends on Although Su.
A practical answer is Chapter 110, because it turns the idea into a concrete scene. The chapter opens with Jiang Li, carrying a wooden basin, walked over to the well., adds pressure through As she hesitated whether to call directly to explain the situation, the..., and ends on My parents died, and.
If you want the clearest chapter reference, go to Chapter 109. Early on, And another thing," Jiang Li said, taking out a tissue to wipe her lips,...; later, the chapter leans on The next time we have a meal, don't try to chat with me unless you're fine....
If you want the clearest chapter reference, go to Chapter 82. Early on, Jiang Li gave her a fleeting glance.; later, the chapter leans on When did we ever make a private deal?" "Just now!" Wen Jiaojiao defended....
A practical answer is Chapter 88, because it turns the idea into a concrete scene. The chapter opens with She wanted to refuse, but didn't have the courage to do so., adds pressure through Jiang Yan immediately stepped forward, "I have one point, quick, quick,..., and ends on Let's go," Jiang Li.