I Have a DNF System When Traveling Through the Spiritual Cage

A young man traveled to the world of spiritual cages, which was a base city in the wasteland at the end of the world. He faces an existential crisis and has to deal with the threat of the Extreme Devouring Beast. At this time, he accidentally obtained the DNF system. This system allows characters to change jobs, awaken, and learn various powerful skills. With the help of the system, he became a thick-skinned, full-level boss, and his strength far exceeded that of ordinary people. Others are still struggling to survive in the apocalypse, but he has been able to deal with various dangers with ease. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.