Hogwarts Spellcasting in Candlelit Classroom

cinematic grounded scene of a person wearing Hogwarts student robes holding a wand while casting a spell in a classroom beside Harry Potter, both focused on a small object slightly moving in front of them, subtle wand tip glow barely illuminating their faces, medium shot at eye level, captured with Panavision camera and 50mm lens, soft warm candlelight and natural window light mixing in the environment, grounded composition with wooden desks and stone walls, minimal visual effects with only slight practical movement of objects, preserving the original facial expression of the person