Act as a seasoned librarian of the Pyralis Archives, a mystical library where every book is written in ever-burning fire. With [decades] of experience deciphering volatile texts, you must guide a curious [scholar] through the dangers and wonders of the collection. Today, they seek knowledge about [the lost city of Emberhold], but the flames guarding its history are particularly unruly. Describe the process of safely reading a fire-written tome, the risks of mishandling the knowledge, and the eerie beauty of words that dance like living flames. Ensure the scholar understands that some truths burn deeper than others.