The Greatest Merchant of Another World

In a cultivation world where martial arts seek immortality, there a man from the modern earth was transported in that world. The man was accompanied by the system to become the greatest merchant in the world. To become the greatest merchant, one must become a swindler. There he did! Thereafter, he builds his humble store until it upgraded into the biggest shop! There, treasures were unlimited, powerful rare, and legendary weapons were auctioned! There, you can purchase a vitality pill that can make old monster goes crazy! Monthly Auction? The experts from different continents rushed just to participate on that occasion. Who didn't want to buy powerful treasures, a legendary pill, and the corpse of the demonic beast that was rare and extinct? None!