C1104 Purpose of the nether realm

After this gust of wind blew past, Qin Yichen was shocked to discover that although Huang Fengxian's body was blown away by the wind, there were still many things left behind, such as his skull.

Huang Fengxian's skull was left behind, Qin Yichen did not know what happened either, could it be that Huang Fengxian's skull was some sort of treasure? It did not disappear along with his body