And with that Harry swung his wand-arm like it was a lasso. A ring of scorching, white-hot flame erupted around the bed, trapping Harry and Hermione either side of Angharad, who was twitching and writhing in a worrying, unnatural sort of way. She was breaking out in boiling sweat and looked on the verge of combustion. Harry and Hermione both noticed it ... and Harry looked pointedly at his wife for the solution.