The Auction Rebate Is Billions of Times, I Became the Ancestor of the Human Race

[Ten thousand times return + system + power development + easy and fun] Su Hao traveled to another world and inherited the Haoran Auction House in Qincheng, Xia Clan. The god-level auction system is bound to the game at the beginning. As long as the items are auctioned, rewards with the highest value of billions of times the critical hit will be returned! "Ding! Congratulations on your successful auction of the first-level top-level skill "Baji Beng", triggering a billion-fold critical hit, and a rebate reward of the highest-level top-level skill "Huang Ting Dao Jing"!" "Ding! Congratulations on your successful auction of the sixth-level low-grade headdress [Nine-Colored Phoenix Crown], triggering a billion-fold critical hit, and a rebate reward of the highest-grade treasure [Character Marriage Card 'Empress']!" A few years later, the alien race invaded the human race on a large scale. They thought they had a chance to win, but they were killed by Su Hao in various ways. The alien gods were extremely panicked: "The human race actually has such a terrifying hidden ancestor alive?!" Su Hao: "Huh? Why don't I know that I am the hidden ancestor of the human race?"