He didn't want to bother with him, since he could feel the man had a certain likeness to his mother. But at the end of the day, he was not his mother, he didn't like this old guy following him from behind and observing all his actions. It was becoming annoying just like that Wang Chen. He couldn't help but want to push him aside and that was why he sent him away to deal with Wang Chen. He also wanted to prove something he had always suspected. The old man gave him a very peculiar feeling, as though he was stronger than even those Half-step Divines.
Your gift is going to make my day!