The very reliable Harry Potter fan site Oclumencia poster the full description of the trailer of 'Harry Potter and the Deathly Hallows - Part 2', which will be released from now. According to Oclumencia, they source is very reliable.
And here we go...
Snape is the first to appear in the trailer. Then the camera zooms in close on the Diadem of Ravenclaw. And then, Hermione, Ginny and Ron are highlighted, sad. Voldemort's eyes will open on screen. And the Warner Bros. logo, softly creeping.
You will hear clearly the voice of Voldemort, who has to explain the sadness of the three, while the camera shows him surrounded by bodies:
"Harry Potter ... you fought bravely ... but let his friends die for you ... to face me face to face yourself."
And the camera goes to show Gringotts and the great white dragon spitting fire. And Snape is shown in front of the house of Potter. Voldemort continues his speech as a few action scenes are shown:
"Tonight, I find and confront your destiny!"
The Hogwarts students running, escaping the Death Eaters, who throw fire to attack them. Kingsley conjuring a protective shield around the school, Cormac McLaggen mounted his broom, the protection of the school being broken, Narcissa Malfoy and turning others. And then, Ron speaks with courage:
"We can end this!"
After that other scenes are shown, including Tonks and Lupin fighting together. And the camera makes a castle tour in the war. Until a breakthrough surprises. Harry is confronted Voldemort on top of a castle tower, and says:
"C'mon Tom Let's finish this the way we started."
And Harry and Voldemort clings to pull the cliff ... and they both fall.
After that many scenes are shown quickly, and in one, Ron and Hermione run hand in hand fleeing the fire. And so much fire is shown taking care of the castle. Death Eaters and Disapparating Apparators, explosions, and Mrs. Weasley dueling Bellatrix, students dueling with Death Eaters into the castle, the dragon carrying the trio on their backs and many other scenes.
Voldemort ends saying the phrase now so familiar:
"Only I can live forever!"
Photo by Warner Bros. US