So, in other words, you only kill the ones that actually have a heart? I guess that makes sense. You don't want to waste excess energy on something that's frivolous.

[ Hmmm. She pauses, unsure of what to say. ] We don't have any system like this at home. The closest we have is someone's soul getting sucked out and sealed for all eternity, or just extracted and then it can't return to the body unless it's reversed.