He doesn't smell right either. There's something bitter and chemical overlaying a subtler wrongness that defies explanation, but he ... probably is fine, he's not going for anyone's throats or anything. "It reads voltages of various kinds."

Jack looks incredibly normal. He looks, in fact, like an ordinary civilian, which is both good and bad - on one hand it means Sephiroth is now obligated to make sure this random civilian doesn't get killed out here, on the other he really didn't know how to deal with civilians.

At all. "I .. think my bird might have a bad fuse, but I can't tell which one, so I was going to go through them one by one. The meter would have helped." Honestly he really hoped it was fuses, he knew what to do about fuses! He watched a truck driver do the same thing once.