User blog comment:Miskos3/Fairy Tail Chapter 367: Jellal vs. Oracion Seis, Review/@comment-7418318-20140117103141/@comment-1359322-20140117104650

Kyouka did say something about her "Macro" being able to read thought, so maybe every time she kills, she takes in the thoughts of the people she kills and doesn't like that feeling.