After Three Years of Cultivating as an Immortal, There Are Only Martial Arts Practitioners Outside?

Three years ago, Duan Fei was rescued from the mouth of a dog demon by Master Long. The master told him that there were all man-eating monsters outside, including Godzilla, Aliens, and Chu Renmei! Duan Fei has been practicing immortality for three years and has just broken through the golden elixir. But he was approached by the Superpower Academy. The master who led him up the mountain to cultivate immortality was actually the dean of the Academy of Supernatural Powers? When he came out of the mountain, the system asked him to kill the first-order little demon and also gave him [Xuanyuan Sword? The subsequent missions became more and more outrageous, and the rewards became [Sky Mending Stone], [Five Elements Lightning Technique] and even [Plasma Spark Tower]. Duan Fei's attitude gradually changed. On the first day, there is no Mahayana period without showing off. The next day, there is no period of tribulation, don't show off On the third day, it seems like you can pretend a little bit? On the fourth day, I am a golden elixir, what are you?