Note:- Locations in italics are optional areas that are not necessary to visit to complete the game. Hogwarts free-roaming (similar to the previous Harry Potter game, Order of the Phoenix).Wizard duels and multiplayer duelling mode.Together they work to find the key to unlock Voldemort's defences and, to this end, Dumbledore recruits his old friend and colleague, the well-connected and unsuspecting bon vivant Professor Horace Slughorn, whom he believes holds crucial information about Voldemort's power. In Harry Potter and the Half-Blood Prince, Dumbledore prepares Harry for the final battle that he knows is fast approaching as Voldemort is tightening his grip on both the Muggle and wizarding worlds.
