C1023

Niu Thirteen felt that he had entered a completely dark place. He could not see anything around him, nor could he sense any light.

He looked around cautiously, and his aura instantly reached its peak.

"I'm coming in. Where are you? Come out!"

Niu Thirteen looked around and said.

"I'm here!"

Suddenly, the unfamiliar voice rang out again.

Niu Thirteen instantly turned around