And that's why the haunting in real life is real too. You cannot smell evil and very hard to smell fear. But what you can feel is when your body becomes cold upon contact with the spirits. But if you encounter something it's pure evil, you don't get the chills but the intense heat that will cause your heart to overload and pump like crazy.
Zecora's eyes are looking... weird? in panel 2. Not so sure about never putting Zecora and Twi in single panel - it looks bit disconnected, like if they didn't really interact (made stronger by different backgrounds) but it does give some "she's wants us gone quick" vibe.