the invisibility charm on myself and flew around the house, inspecting the ward that encased the house in a deteriorated cocoon. So this was the ward that Dumbledore was monitoring? Was he so adverse to dark magic that he had no idea the state of the ward? It was almost nonexistent. Even though it was getting towards the end of its lifespan, it should still be strong. But the stipulation that Lily Potter placed on the spell, and how bad Harry’s home life has been, that it was nearly gone. 