Jon had considered leaving Ghost at home, but then had changed his mind and brought the direwolf with him. The inhabitants here are mostly used to him by now, and he's trained well enough that he won't attack unless provoked, or to protect Jon. So the white wolf pads along at his side, as silent as ever.

His clothes are reminiscent of Westeros, a tunic and trousers, embroidered with both wolf's-head and dragon-head motifs (Sansa thinks she's funny). And if the wolf and the sigil weren't enough, when he pauses next to her to look around the dome for anyone he knows, he has the look of the Starks about him. Or at least a similarity to Robb.

"You look lost. Are you a new arrival?"