And Nesifra approaches Elodea with the knife, muttering to herself about magical theory.
"Language—first station—the heart yields the mind—" She pulls down the blanket to reveal Elodea's chest and abdomen. "This is going to hurt quite a bit," she warns, and starts opening quick cuts along Elodea's shoulders and ribs, in some sort of elaborate pattern whose purpose is not clear.
The knife is sharp enough that although there is a lot of blood, it doesn't actually hurt all that much until half a minute later when she cracks open Elodea's chest, digs in her fingers, pulls the ribcage apart, cuts out her heart, and eats it.