I'm Just Accepting Disciples, Why Did They All Become Immortals?

Two and a half years ago, Qi Mu transmigrated to this desolate ancient continent. Like other transmigrators, he awakened a system and also took the ten peaks of the Qingyun Sect as his masters. He originally thought that he could become famous in the desolate ancient land, but the next day, that master inexplicably disappeared, and he, as the only seedling of the ten peaks, mysteriously became the peak master of the ten peaks.Although he ate all kinds of rare treasures given by the system every day, he was always stuck at the first level of Qi Refining. Besides having inexhaustible power, his cultivation did not improve at all, and he only had the lifespan of the Qi Refining realm, which was regarded as a waste by everyone.Finally, one day, the system released a mission to accept disciples. If a disciple broke through a major realm, Qi Mu could break through a minor realm.Qi Mu was excited: "Disciple, here I come!"After accepting a bunch of disciples, he suddenly looked back and found that he was the strongest person in the Five Continents…