And Luna can understand Katara's concern. She has already admitted, multiple time, that Katara might have more common sense than Hermione when it comes to dire situations, and the small bit of her brain that was clear was fairly certain that this qualified as dire. Still, her terrified mind doesn't want to admit the possibility of something more horrifying than Inferi and dead friends.

Sniffling, she tries to blink away her tears, and inevitably fails. Still, her effort is obvious as she fixes red eyes on the floor, arms going lax as she tries to jumpstart her brain.

"I'm not sure how he can make them worse, but..." A deep breath provides a pause, eyebrows knitting together with the effort of gathering her wits. "But I'm being ridiculous." She glances up, expression an odd mixture of contrition and melancholy, making her look about three years younger. "I'm sorry, Katara."