Simon, on behalf of the Oleanders held the telescope firmly in his hands and whispered "zoom." Pretty soon the island fortress came into view - a million or more dementors overing around it making it look like a black castle. The dementors out from that were in concentric circles around the island, hovering over the sea. Some dementors were traveling with bodies in their fleshless arms - feeding the army that was ever breeding. The elder wand was in there, ready to be taken.