Wu Yu could now use the Blood Vortex heavenly rule to perfection. Caliginous Shadow Demon King stood no chance of resisting him.

However, Wu Yu wasn't planning to kill him as he wasn't the kind that would wilfully kill the innocent. All he wanted was to incite chaos through the entire Fiendish Underworld Metropolis. As for these demon kings, he wouldn't have to kill them. 

If it was the real Bloodsucking Scourge, he would probably not let the other party off. After all, once the other party grew to strength, it would be a threat to himself too.

Wu Yu was just using the identity of Bloodsucking Scourge currently to wreck havoc. Even if the other party was to seek revenge in the future, he wouldn't find Bloodsucking Scourge. It's even more impossible that they would put the blame on Wu Yu.

Therefore, Wu Yu was just planning to severely injuring the other party. The Blood Vortex heavenly rule constantly drew blood from the target, weakening the target in the process. When Caliginous Shadow Demon King lost all strength to even resist, Wu Yu finally stopped and retracted the Blood Vortex heavenly rule back into his body.

He had absorbed a substantial amount of blood. After losing so much blood, Caliginous Shadow Demon...