Gou to the world is invincible and then come out again

After crossing into the world of immortals and demons, Wang Li became a disciple of Yuhuaxianzong. At the same time, get the sign-in system, as long as you sign in different places, you will get various rewards. Sign in in front of the Devil's Tower, reward: Swallowing Devil Skill. Sign in at the Yuhua Xiandian, reward: Yuhua Xianjing. Sign in at Jianzhong Valley, reward: Xuanyuanjian. In this way, Wang Li continued to sign in for three hundred years, and his cultivation reached the pinnacle of the world. One day, a group of demons struck, and the entire Xianzong fell into a crisis of extinction. Wang Li emerged as the uncle of the Yuhuaxian Grandmaster, smashed the demons with one sword, and became the strongest in the two worlds