C1297 The Unproven Plan

"There are not many of them. They should be here to patrol. There are about twelve of them, including two guards."

Hayo arrived at the door and eavesdropped for a few seconds. He could tell the number of people and their strength.

"They are all at the level of a Level S Demon. I can accept that. Hmm..." Just as he was thinking, the door was slowly pushed open.

At this moment