C1157 They Greeted the Principal

A Fallen Angel with sixteen wings on its back stepped forward and cupped its fists, kneeling on one knee.

"The supreme Demon King! Please allow me to help you investigate."

Lucifer glanced at him indifferently. "Your strength is barely enough. Go."

After the great war, there were 80 million Hero Spirits on Earth, and many of them had suffered heavy losses