The dimly lit room exploded with color, flashes of green, red and purple erupting from the three remaining wands, ricocheting off of the slimy, craggy walls accompanied by gutturally roared curses. Unable to discern which of the masked combatants remained, Hermione flattened herself under the lip of the crater, wrapping her arms around her neck as rock shattered all around her, showering chunks of stone and grit into the dust. 