Primordial World: I've Become a Supreme Backstage Boss by Playing it Safe

He arrives in the Primordial World and gets an overpowered System that hands out supreme treasures every day. “Congratulations, Host, you have obtained the Jade Disc of Creation.” “Congratulations, Host, you have obtained the eighty-eight-petal Chaos Green Lotus.” “Congratulations, Host, you have obtained Pangu’s body.” “Congratulations, Host, you have obtained the complete set of laws.” But this coward only dares hide inside his mountain gate... He keeps hiding and hiding, until he somehow surpasses the Heavenly Dao. Oh no, the Primordial World is way too dangerous. I’ll wait until I’m strong enough to defeat the Great Dao before going outside!