Dementors — and even the four Hogwarts founders, in the (plastic) flesh. If it sounds like a lot, it is. At 6,020 pieces, the new Hogwarts Castle is the biggest LEGO Harry Potter set ever made ...

Start by collecting any obvious LEGO studs here ... the lower right and break loose six Dementor enemies. Drop down to where the Dementor enemies wait. Harry can take them out with his magic ...

Such action sequences are rare in Lego Harry Potter, though there are still light combat sections and boss fights. You defeat Dementors by casting the Patronus Charm, fight Aragog by throwing ...