C3583 The Blood Oath

"En. Back then, we had a blood oath with Ni Gulasi. Furthermore, the vampire line's Prince Nicholas Saint Monde had once expressed that he wanted to cooperate with us. "

"Now, the time for us to cooperate has arrived..."

As he spoke, Hanyu Xiaotian flicked his wrist and a drop of bright red transparent blood appeared on the tip of his index finger.

At the same time