Content enough that Harry was stable, Hermione hauled him from the ruin and turned to face what was left of the crumbling structure. She sat him down against the side of a long dried-up fish pond and threw up a protection ward around them both. Then she began firing hex after hex at the house. It disintegrated in large pieces, with walls tumbling, the super structure buckling under the weight of the unsupported roof and upper floor until the whole thing collapsed completely in a huge cloud of dust.