Nodding at the older students' discussion, Michelle raised her hand. "Since we're learning defense against the dark arts, dark arts here must mean spells that causes serious harm and even death. I don't think this covers physical injuries caused by a hex or jinx, as I don't need dark arts to cast a jelly-leg jinx."

"Dark arts must be spells which are undoubtedly evil intent-driven, like the horcruxes," she added.