Ah...yes. Vader's expression doesn't change, and but there's a definite sense of him taking an analysis of the injured man. An old injury indeed, and an ugly one. Ironically something he knows quite well. Were the situation different, he'd have simply ignored the request for aid. Yet a tool is a tool, even if it is weak.

His hand reaches down stiffly, drawing Crane to his feet with a tug, but no other support is offered. The touch is inorganic, clearly a cybernetic of some sort, or a prosthetic, which perhaps explains why he's managed to keep some scrap of clothing. The universe decided he'd be better off alive and ambulatory than dead, clearly.

"Hold," he says simply, and leaves to find something to use as a crutch. The cave has precious little, but he does manage to return with a knotted piece of wood. Probably left from some animal nest.

He offers it over with a curt "This will have to do."