Can Demon Cores Be Eaten Too?

"Brother, are you keeping your demon core true?" "I run a demon core stall, can I sell you fake demon core eggs?" Lin Wan said, picked up a demon core and took a bite. "Tender, juicy, and innocent. Do you want it?" . . . . . . . . . The human race is in civil strife, the demon race is rioting, and the demons are invading. A young man who cannot store spiritual energy accidentally discovers that he is carrying an ancient demon body, and he can increase his cultivation by swallowing demon cores. From then on, the magnificent road of cultivating immortality began. However, dangers and difficulties are also approaching quietly. Let's see how the young man resolves the crisis step by step and reaches the top of the world of immortality!