Sadness works! It's negative and aimed at her, it's fine. Whew, crisis averted.

Caster picks herself up a little more, more energy in her form. To be honest, it wasn't much, but she doesn't need a terribly large amount of mana to just exist. Comparatively.

"And now you look like a kicked puppy. Adorable. In a sad kind of way." She brushes off her orange hoodie. "Pleasure meeting you. Been a blast."