As for Claudia, Hermes asked her to stay. He was worried about Claudia's safety from being chased by David, who was none other than a very vicious and sadistic vampire. Hermes didn't want Claudia to get hurt if she had to live alone, he also felt responsible for Claudia's life after he bit her and turned her into a werewolf.
"You know, this turns out to be fun after all these years I've been training alone in the woods near where I live," Hermes said in between gasping breaths. "I'm so excited to live my days after meeting you!" Connect Hermes. Yes, he always trained alone after Matheus gave all his martial arts skills to fight vampires or other clans that were stronger than him. Hermes has always been alone no matter what his activities have been.