Hermione nodded. "He said he doesn’t remember what happened the night he came back" she said, (closely followed by a "pshh’ sound from Ron, who looked as if he greatly doubted it). She shook her head at this interruption, continuing. "But he said something rather... odd. He claimed he was poisoned, and the poison made him act different. He told me that the King gave him an antidote, and I don’t think he meant to say it, but he said the King sent it as a test. What do you think that means? A test?" 