This saves time over going through the falling blades and around on a few invisible platforms. If you angle a superslide correctly from the main room, then equip the hover boots, you can hoverslide over to where the room with the Gold Skulltula, Like-Like, keese, and invisible scythe are. Simply store a ground jump and walk past to avoid it.
Right before entering the large main room, Navi will try to warn you about the Wallmasters.