Codename: Infinite Cave Sky

A young man in the village has been working as an ironworker for six years. The famine caused by "natural disasters" was eliminated, and he was able to return to his hometown, and his brothers and sisters were reunited. Like some people, their parents mysteriously disappeared during "natural disasters" and there was no news for many years. A few days after being reunited with my relatives, I went hunting in the mountains with my uncle one day, and unexpectedly came to an alien space called [Dongtian]. The so-called cave heaven and blessed land, but this [cave heaven] does not necessarily only have treasures. There are strange people and monsters inside, and they are like hungry wolves seeing fat sheep when they see people. After escaping from death, the brother and sister embarked on the extraordinary path of cultivating immortals hand in hand...