[Rin's reaction is almost immediate. Almost as if by instinct the vellus hair on her body begins to stand on end. A chill runs down her spine, and immediately she realizes there's something off. Something she didn't quite expect from a servant. Power, yes. Magic, absolutely. Something undefinable and awe-inspiring that resonated within them, of course. These are all things she expects from a servant. Things she had been taught to anticipate. But this? It was different. Like a storm raging inside him, she senses something. A mage as proficient as herself couldn't not notice.]
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