My Disciples Cultivate, While I Slack Off!

After getting scammed by predatory con-men, I was broke, near death, and about to become the shortest-lived Master of my sect… when my hidden power awakened and I received the Disciple Rebate System! I can give my disciple a useless potion, and she'll return with a potion of immortal cultivation! Now I'll get my revenge on the immortal emperor and...