Luna had drifted off since the patronus had disappeared, and when she awoke, it was to someone shaking her and calling her name. With a gasp, she pulled away, fumbling for her wand before she registered who the voice belonged to. "Harry," she said in relief. "You came."
She shivered as she realized how cold it was; it had felt warm while she slept, even if her sleep hadn't been due to hypothermia. Yet. "It's not a spell, it's a drug or a potion. They gave me too much. They're onto me." She caught his arm, looking at him pleadingly, even as her eyelids drooped again. "I can't do anything till this wears off... But I had to get out."