A while later he had two bottles in hand: the smallest one, which (at least according to the riddle) contained a potion that would permit someone to pass forward through the black flames; and the mid-sized one which purported to take them back. Without a word he handed Ron the larger of the two. Ron gave him a quizzical look. "This'll take you back," he said. "Go get the twins, use that broomstick in the flying keys room to get past the Snare and Fluffy, you're going to need to take a couple trips - "