I'm afraid I don't understand what the problem is.   For example, cymbidium has 9 products in this sale.   On the sales even page, clicking on the vendors will take you to the products that vendor has in this sale.  https://www.renderosity.com/marketplace/browse?sb=newest&vendors=449344&sales%20events=1383&results_per_page=60

All 9 of those products have the 65% Prime discount.  

Where exactly can't you see the 65% discount?