Although the Professor is only featured for a few seconds in the latest HBP trailer, he certainly makes an impact. In addition to the scenes from previous trailers, the latest tease from the WB features Snape hurling hexes at Harry and darkly uttering the words "it's over" in a way that only Snape can do. We've captured a few screencaps which are available below. Click on the link for the larger versions...

Look at that technique. Snape definitely has some hardcore dueling experience.

I would not want to be Harry here...well then again...

...or maybe not

The scene that is giving all the Snape fans the chills.