From the front of book: The Fraternity of Tharos has troubled Impiltur since the devastation of the Spellplague. Today, the power of the Fraternity is great enough that they have penetrated all levels of life in Impiltur including the Grand Council. Adventurers may have experienced this very real threat over the last few years in Impiltur and now there is an opportunity to begin putting an end to this corruption. This continues the major quest started in IMPI1-5 How to Hunt a Demon and IMPI1-6 The Ancient Temple. A Living Forgotten Realms adventure set in Impiltur for characters levels 14 - 17.