C450 Start of auction

When Jian Wuchen and the others left, the appraiser gave Jian Wuchen a "Artifacts Tower" gold level VIP VIP card.

"Artifacts Tower" 's VIP card was divided into "Silver VIP", "Gold VIP", and "Purple VIP". Every VIP card could receive a corresponding discount, such as "Silver VIP" could receive a 10% discount, "Gold VIP" could receive a 20% discount, and Purple VIP "could receive a 20% discount