C3115 All of This Was Forbidden!

Upon seeing the decaying and shattered human skulls, everyone felt a tightening in their chests, and their faces turned ghastly.

"He's cultivating his spirit!"

After examining a skull closely, Chen Kang murmured, "These spirits are uniquely compatible with their original bodies. They won't last long if exposed to the air, but using their skulls as vessels allows for long-term cultivation