C1262 Easily break

"I wonder if you have any experience with killing formations or sealing techniques?!" The old man said.

"I just know a little bit …" Chen Yu said.

"There's no need to be modest. Just display it for this old man to see …" The old man said.

Chen Yu, who had nothing to hold back, nodded his head. Just as he was about to use his own hand in killing formations, he looked around the small cave