"That actually may be what I've done with this."

He gestures toward his own outfit with a pleased looking grin.

"I had this enchanted to ward off darkness the same way my coat does. I don't know the process of crafting those enchantments, myself, so I may well have been stuck with that light blasted coat every time I wanted to use the corridors to get somewhere. And those corridors are the quickest way to get between worlds."