Don't be So Proud - Epilogue 1 — Someday, You will Meet a Person Who is as Dazzling as a Rainbow

Cao Xin, a young man on earth, died in a car accident, traveled to a troubled world where supplies were scarce, and obtained a “Bronze Immortal Gate”…

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- Description from novelbuddy

Before meeting Shen Xu, all Zhen Yuan wanted was to seek the dao and cultivate to the peak. After meeting Shen Xu, he thought the dao was important, but his wife was the most important.When Shen Xu transmigrated into a book, he mistakenly believed that Zhen Yuan was not a character in the original story. What he didn't expect was that his husband was the most mysterious and powerful unnamed character in the original novel.

In a world where human and monsters relied on mystical fruits and their inner power to fight for dominance, a lost soul was thrown, given the powers from all the other worlds he’s known. But there was a catch; he had no control over what power he would get! With knowledge beyond that of most, he sails his path to the top of the one piece world!

- Description from Novelupdates

There is a turtle here,It's a bandit! A thief! A shameless scoundrel!Don't provoke him!~~~~~~~~~~~~~It doesn't belong to the orthodox realm of mythical creatures; it falls under the genre of Xuanhuan and Xianxia. I hope you all are aware of this.