C1785 System Upgrade

"Ding Dong!"

"Host's Dao Seal is about to collapse. It can upgrade the Divine Dragon's Supreme System. Would you like to upgrade it?"

"Desolate Force?" Zhan Tianming was stunned. "Isn't this the special energy that I accumulated in my body after killing those Wild Animal? It can actually level up the Divine Dragon's Supreme System?"

No matter what