Realizing This Is A Wuxia World After Cultivating For 300 Years

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.