Myriad Worlds: I'm the Only One Who Knows the Plot

After Xia Nan transmigrates to Blue Star, he is chosen to enter the Main God Space. There, he discovers that the famous games, novels, and anime from Earth have all become trial worlds, and he's the only one who knows the plots? Well, then. My apologies. First world: Naruto, starting as a member of the Uchiha Clan Second world: The Mummy, reaching the pinnacle of ninja power Third world: The Return of the Condor Heroes, where he can become everyone's ancestor