"Luna, there's a blood replenishing potion in my bag." Hermione stopped her incantation to get the words out then rejoined Theo and Snape as they all tackled the big slice together. Theo had healed most of the small cuts by now and Hermione had managed to get her one almost fully closed but the big one, cutting across the top of his chest, just above his heart remained stubbornly open, despite Snape's several attempts at closing it.