This book is a supplement to Iron Crown's Rolemaster magic system Spell Law and guide. The book also serves a supplement to the books Character Law and Creatures & Treasures, providing additional magical character classes and elemental-based monsters including dragons. Finally, the book also provides encyclopedic mathematical charts and calculations along with knowledge of various elemental forces including aether, air, chaos, cold, dark, earth, electricity, fire, gravity, heat, ice, inertia, light, nether, nexus, plasma, spirit, time, vacid, vibration, water, and wind.