Cultivation of Immortality in the End of the World: Pick up the Immortality System at the Beginning

Zombies siege the city, and those with super powers are king? I rely on the Immortal Cultivation System to open the Heavenly Gate with one sword! At the beginning, he was betrayed by the school beauty and pushed into a group of corpses, but the immortality system was activated, and the Qi refining and foundation building aimed at overcoming the tribulation. Others hunted zombies desperately to grab crystal cores, while I refined elixirs, drew talisman formations, and randomly picked up treasures from heaven and earth. When the boss of the safe zone ridiculed "cultivating immortals is not as fast as having supernatural powers", I used the magic in my sleeves to collect the zombies; when the genius of the hidden world sect despised "casual cultivators are worthy of opportunities", I took out the ancient immortal weapon and slapped him in the face. In this life, I will use my mortal body to prove the Tao, suppress the apocalypse, and determine immortality!