C1123 War of the Old Enemy

"You are, Miss Yu?"

The sudden strange voice startled Bai Yu and she quickly turned around. He saw a white haired old man wearing a long robe standing at the entrance of the laboratory. The old man held the black Long Sword in one hand, but his other hand was empty, as if there was nothing there.

"Who are you?"

Bai Yu was puzzled by the way Yu was addressed