Used to skip the outer part of the Level including fights. Tips: Zombie needs to be as close to the wall as possible, facing away from the wall. You need to look away from the wall too, your back to the wall, performing a glory kill on a zombie will then result in you glitching through the wall. Found this one myself, cause once i by accident managed to get boosted to the top of the argent energy tower and went ahead to find a consistent setup for this and so i did.