C1518 Killing the night owl

"If you don't believe me, you can give it a try with a drop of Demonic Nature blood."

Night owl said: "As long as it's the blood of a Demonic Beast or a human, they can all be considered as having Demonic Nature blood. They can all open the Heavenly Demon Box."

"And there is quite a bit of this blood in my Soul Ring. You'll know when you take it for a try."

Hearing that