"No there is no one and it has been so for a long time".
After using it ultrascan to check if there was any one inside Zi gave feedback to Dean.
Once he hear the words of Zi knowing that there as no one inside the cave and it was not just now but it has been long that master lest the secluded cave and has not returned.
He sigh the free himself from the pressure he had been and thinking on what to do if he should be confronted by such a master.
He knew it would be hard for him to escape if such a master was around even if he decided to run away as soon as he noticed that there was some inside the cave.
It would only make things worse, with his cultivation level it was hard for him to scan that far with his divine sense to know what is happening ahead.
The master would be suspicion of him and would want know how he was able to know that there was a powerhouse inside.