Sole Cloud Flying Cave

Cui Heng was transmigrated to another world and the system told him that the new world he was in was a high-grade Xianxia world.
It was a world where Celestial Kings soared the sky and terrifying monsters ruled the lands. The strong would destroy a planet if their mood was bad and Cui Heng trembled in fear when he learned of how scary the new world was.
Thankfully, the system had granted him the protection that last for 300 years. As long as he remained in the safety zone, he would not receive any damage.
With his safety secured, he began his cultivation training for the next 300 years.
Throughout the years as he trained, some people entered his safety zone by mistake.
There was a peasant who was once a monk and a beggar. Despite that, he still had the dream of bringing peace to the land and saving the lives of millions.
There was a noble who was once called the once-in-a-million-year genius. Yet, luck wasn't at his side and his talent fell and was laughed at by others for years.
There was a princess whose only wish was to find her older brother. She could've become a celestial but decided to remain in the human realm to wait for her brother's return.
There was a weak lady who was plagued with illness from birth but had the goal of adventuring and helping the poor and weak.
...
Cui Heng befriended these people and even gave them a few pointers before they left.
300 years later, when the protection period had ended, he had finally mastered the Golden Core. Even then, he was still reluctant to go to the outside world.
But when he did, he realized that the world was merely a world of Wuxia.

Realizing This Is A Wuxia World After Cultivating For 300 Years

The commotion caused by Gao Shouxin's arrival was extremely huge.

Behind him was steaming black smoke that stretched for dozens of kilometers. It was filled with green and white zombies that emitted an extremely dense rotten smell. Instantly, half of Luling City became incomparably smelly.

This rotten smell spread out with the aura of death, causing countless martial artists in Luling County to reveal terrified expressions and subconsciously kneel on the ground.

The higher the cultivation, the more terrified they were.

That was because they knew very well what was going on with this phenomenon, and they also knew what was going on with the black smoke and this extremely smelly smell.

This Death Dominus, who slept in the polar region and did not see the sun all year round, was actually alarmed.

Even Wei Cheng did not expect Gao Shouxin to come.

The two of them stopped in the sky and looked at each other.

Even The One That Didn't Come Would Not Be Able to Escape