He waits patiently, letting the other take his time to catch his breath and recover a bit. Maybe in a way, he needed a moment too, but more than anything he wants to leave this place. So as Doc collects himself he'll wait for a breath then start walking hoping he'll follow. He also hopes they can even make it out.

"It's a Void, a vast nothingness. In some beliefs, it's one of the places you go when you die, depending on your faith. Others believe it's where the Forgotten Ones reside. Beings of terror, disease, and malevolence. It's a place of madness and suffering."