Xiu Xian: I Fight Monsters and Upgrade in My Dream

Accidentally traveled to Zhouyuan, the world of immortality. I always have a weird nightmare. In the dream, Zhou Yuan was killed by monsters over and over again. Then it appears again and again in dreams, Until this time, Zhou Yuan successfully killed the monster, At the moment the monster died, a prompt sounded: "Congratulations to the player for completing the first monster kill and successfully opening the game panel."