Gun. Hmm. He's never really been adept with them, but that was probably because he didn't pay enough attention; one would figure that guns and bows wouldn't be that different, but you just never got around to doing anything past simple repairs. This gun seems to have been disassembled, and therefore he can see into the workings of it. It's enough to tell him that human guns are not actually that different from troll ones. Not entirely satisfied in this knowledge, Equius halts at a short distance and watches him repair it. His expression might be masked by the glasses, but he otherwise looks genuinely interested.