From the front of the book: Someone is interfering with valuable shipments from the mining community of Ioma Town. Production is way down, and the rulers of Amn aren’t pleased. The evidence indicates that it’s an inside job… deep inside. Adventurers are needed to go into the mines and find out who (or what) is trying to sabotage the Iomic Crystals. A Living Forgotten Realms adventure set in the Nelanther Isles for characters levels 7-10. It is recommended, but not required, that characters have participated in CORE1-4 Crystal Clear before playing this adventure.