My Disciple, My 10,000x Return

Cain, a Peak Master of the Grand Mystery Sect, faces dismissal due to low strength and failed recruitment. He activates the Ten-Thousand-Fold Return System: bestow treasures upon disciples for rarer rewards. He takes the Saintess of the Celestial Demon Cult as his disciple, triggering massive returns of techniques, weapons, and elixirs, causing his power to skyrocket!