Well, the game trailers clearly show the lightsaber damaging the walls, but my guess is that you'll only be able to actually use the lightsaber to break through the walls in a very limited number of preset circumstances (if at all). After all, what's the point of creating a vast level when the player could just hack his way through all the walls and complete the level in 2 minutes flat?
Originally posted by hahadude
I dont know about melting walls like in episode 1, but in the pc gamer trailer kyle destroys a wall by throwing his saber at it.
I'm pretty sure that the things Kyle destroyed you're referring to were some sort of conduits on the wall rather than actual walls separating rooms.