If Demons Are Rampant, I Will Kill All the Demons in the World!

Zhou An travels to a world where demons are rampant. Two-thirds of the world is occupied by demons, and the human race is in danger. Just when Zhou An feels that his life is not long, a god-level sign-in system appears. As long as you sign in every day, you can get rewards! Ding, complete today's sign-in and get the reward of powerful body tempering pill. Ding, complete today's sign-in and get the ninth-grade Qianyuan Creation Pill as a reward. Ding, complete today's sign-in and get a replica of the ancient fairy sword as a reward. ... One day, cracks appeared in the sky, and more demonic armies swept across the last pure land of the human race. When the human race was helpless, a towering Dharma image suddenly appeared. He held a huge sword in his hand and killed countless demons with one sword. He would become the saint who saved the human race. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.