Originally Posted by
DrakeWurrum
Unlike Blizzard, ANet actually encourages clever use of mechanics like this. Assuming, of course, you're talking about "jumping over walls" as in jumping over the walls of a fortress. One of the neat tricks of being a Mesmer that they used to highlight some of what a Mesmer does is combining the portal creation thing with stealth. A Mesmer could lay an entrance outside a fortress, stealth through the enemies, drop an exist inside on the other side of a wall. Boom, a way in for the whole army.
If you're thinking people can use it to jump over imaginary barriers that they put in the game to keep you from going to certain places, no, that's not going to be possible.