Prehistoric: Sign in at the Beginning to Receive an Upgraded Version of the System

Tang Ao traveled to the ancient world. At the beginning, he signed in and received an upgraded version of the system. He could sign in once a day. Signing in always felt great. Many years later, Tang Ao found that he had signed in in the ancient world and was invincible. Tongtian, how come this son has my Four Immortal Swords, which are only more powerful than my own. At the beginning of the Yuan Dynasty, is this son's Zhutian Qingyun real or the Zhutian Qingyun in his hand is fake. Lao Tzu: Fellow Taoist, can you lend me the Xuanhuang Exquisite Pagoda for a visit? Tang Ao also has magic weapons that they have, and Tang Ao also has magic weapons that they don't have. This novel and its characters are purely fictitious, and any similarity is purely coincidental. Never imitate. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.