[ That polite, easy expression stays in place while he listens to her ranting, but by the time Mordred kicks the slab, it shifts to one of confusion, and then immediately flattens to one that's become far too familiar to him in the past few years at the manor.
It's the realization that he's in the presence of an idiot. ]
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It's the realization that he's in the presence of an idiot. ]