Time Travel: It's so Difficult to Cultivate Immortality

The protagonist accidentally ate a strange flower in a cave in the Kunlun Mountains, and accidentally traveled to a world where he could cultivate immortality, thus starting his journey of cultivating immortality in a different world. I thought there would be a cool golden finger, but I found that there was no one at all. All I had was how to survive in this world of the jungle and the strong. . . This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.