Chapter 638: Heaven-Slaying Demon Prince

In the small crystal mine world, a massive tent housed the Heaven-Slaying Demon Prince, seated at its center. Over a hundred Heavenly Realm experts were gathered inside, both from the ancient demon tribe and humans. "Aoyue Demon King just sent a message. He instructed us to stay here while he figures out a way to get us out," reported an ancient demon tribe expert as he entered the tent. "Damn it! Why did that spatial rift suddenly change structure? If it weren't for that, Father would have gotten...