Mithias watched Artorius fold up his map and begin to walk back out the entrance. Apparently, he was just going to get started, no muss, no further questions. It seemed about as good a plan as any, and at least someone was taking action. Mithias turned as well and went with him. He was more of a likable type to the immortal. 

Together, then started down the road in the dark. Any zombies they encountered would be humanely put down, but most of the world looked like urban wasteland.