This plugin allows you to configure discounts for customers who have purchased all specified products (in previous orders)
Discount requirement rule is a logical dependency in nopCommerce discount module that defines whether a discount applies or not, according to its conditions.
nopCommerce site: https://www.nopcommerce.com
Listing on nopCommerce "extensions and themes" catalog: https://www.nopcommerce.com/had-purchased-all-of-these-products-discount-rule