With that cheerful thought, she moved toward the staircase, intent once more on her original goal of exploring the as-yet-unseen remainder of the Manor. Several more doors on the way there revealed a study (mostly intact, but with a giant, horrifying snakeskin piled in one corner), another room so badly wrecked that she couldn't determine its original function, and a couple of locked doors that refused to yield to her wandless attempt at an  Alohomora.