Everyone's Job Change: Yin Ling! I Create an Army of Billions

The world mutates! Games come to the world! Global rules have been subverted! Monsters are rampant! Invasion of Human Land! A guard rhubarb* turned directly into a vicious dog from hell! One second he was cute and clingy, and the next second he was chewing your head. Lin Bei traveled through time for 3 years, and on the day of his job change, he directly awakened to his profession - Yin Ling! It is also automatically bound to the Yin Spirit Army construction system! What? You said I am a cannon fodder! What? Are you saying that I am a useless puppet? But can you stop the army of hundreds of millions of Yin spirits? The pressure will crush you to death! Fight, I'll take the C position! This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.