《穿书自救指南》第二季出了没书籍摘要：下面的观众疯了，是因为没有见过。“So…” Professor Lupin had taken out his own wand, and indicated that Harry should do the same. “The spell I am going to try and teach you is highly advanced magic, Harry — well beyond Ordinary Wizarding Level. It is called the Patronus Charm.”……
