Begin the second task of the Triwizard Tournament™ at the Black Lake! With Hermione Granger™ and Ron Weasley™ suspended underwater, Harry Potter™ and Viktor Krum, with his transfigured shark head, must race to save them. Find the Gillyweed to help Harry breathe underwater and give him flippers. Dive from the pier to rescue Hermione and Ron. But watch out for the Merperson and Grindylow!