Prehistoric: Sign in the Golden Body of Pangu at the Beginning

The soul travels through the prehistoric times and occasionally gets a sign-in system. "Sign in at Master Tongtian's dojo and obtain the Pangu Golden Body." "Sign in at Fenbaoyan and get the Xuanyuan Sword." "Sign in at the Ancient Immortal Ruins and obtain the Immortal Family's Collection." … From then on, he embarked on the road of becoming stronger by signing in and saving the common people! "What? You want to put me on the list of gods?" "Haha, this emperor has already surpassed the law of heaven!" Who is the strongest in the eternal battle? I am the only one to dominate the world! This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.