Mayerling inspects the shack intensely, focusing his vision on its structure and potential gaps in its protection from sunlight. Simple though it is, Luke or the occupant before him maintain(ed) it well enough for a single night, for an emergency like this.

"It is enough," Mayerling declares, enough they can carry forward. He'll inspect more once he's inside. "I have managed much less accommodating options when pushed to it."

He only need to walk around the puddle that looks like blood but likely is a hallucination in his mind.