When I last checked, Transcendence doesn't consume the melee and grenade charge. Besides how would you nerf it? If you take away the slowing effect it becomes really bad just like vortex grenades. You can run straight through a vortex grenade and be okay. If you did that with smoke you wouldn't even lose your a quarter of your shields. The "wombo combo" is just to abilities covering up their bad sides. Also getting rid of the slowing effect would make snare absolutely useless.