Dizi Xiu Lian, Wo Tang Ping!

A man, left destitute and on the verge of death after being scammed, discovers a hidden ability known as the Disciple Rebate System. Through this, he can give a disciple an ineffective potion, which they return having transformed into a potent cultivation-enhancing one. Using this system, he aims to exact revenge on an immortal emperor and achieve wealth. Several individuals, including a kind apothecary, a princess, and a skilled swordswoman, become his disciples.