Ten Thousand Times Feedback at the Start, My Auction is Invincible

Xuantian Continent is vast and boundless, and the strong are respected. Lin Xiao accidentally traveled through time and became the young master of a declining auction house. When the auction house was about to go bankrupt, the ten thousand times feedback system appeared. [You bid for a second-grade, superior treasure: Soul-Nourishing Jade, triggering a ten-thousand-fold feedback. Congratulations to the host for obtaining a sixth-grade, inferior treasure: Soul-Nourishing Jade!] … [You bid for a fourth-tier, low-grade treasure: the Blazing Sun Blade, triggering a thousand-fold feedback. Congratulations to the host for obtaining a sixth-tier, top-grade treasure: the Dragon Slaying Sword!] … [You bid for a Rank 2 Peak Spirit Beast: Earth Rock Turtle, triggering a 100,000x feedback. Congratulations to the host for obtaining a Sky-Shattering Realm Mid-Stage Spirit Beast: Rock Dragon Turtle!] … Many years later, alien races from outer space invaded, and Xuantian Continent fell into despair. At this time, a huge figure emitting golden light broke through the air, stepping on nine real dragons, holding the supreme immortal treasure in his hand, and said lightly: "Who gave you the courage to come to my territory and cause trouble?" [The introduction is weak, please move to the main text]