Wu Yu could not compare to Luo Pin on the topic of understanding of spirit designs. Hence, until now, he did not detect any movement from the spirit design.

Until now, he still could not see the Strike and Obstruct Spirit Design in the sky above his head. This was probably not put in place by the immortals. It was probably added later on by the guardians in Yan Huang Imperial City. 

But Wu Yu could see very clearly that live, black wolf demon!

That black wolf demon was lying on the floor. Its eyes were tightly shut and it barely moved. It looked dead, but upon closer inspection, he could see that the fur on the wolf was still moving slightly. At the same time, when he stood in front of this black wolf demon, he felt chills down his spine.

He was alive!

But Wu Yu felt that this was impossible. How could demons appear here? Or was he imprisoned here? If there were no surprises, the spirit design that Luo Pin had mentioned might be used to block this black wolf demon. 

Luo Pin signalled to him to keep quiet so as not to wake the black wolf demon up. However, thinking...