Gavin did not want to show himself. But since he had promised Minos that he would help protect this territory, he could only make himself available now.
With that, there was a risk that he would end up drawing Mortimer's attention to his presence in Dry City, which would undeniably make that man focus on those areas.
Mortimer had a technique to steal Gavin's third eye and implant it in himself. Since this was the core of a powerful variant bloodline, this procedure could even help him approach level 80!
Considering this, Gavin already knew that showing himself would attract the forces of that person, which would be a problem for him, who would have to die for that transplant to work.
