Download WB’s final Half-Blood Prince HD trailer!

Warner Brothers has officially released the final trailer for Harry Potter and the Half-Blood Prince. Coming in at 2 minutes and 20 seconds, here is plenty of new footage available: Katie Bell being tortured, the Sectumsempra battle, Draco on the Astronomy Tower, as well as Snape uttering the cold words, "It's over." Yahoo has released new Half-Blood Prince posters as well!