Spheres of Power is a completely new magic system for the Pathfinder RPG and other D20 systems, built from the ground up to provide an easy and intuitive approach to concept-based magic.
In this, the Ultimate version of Spheres of Power, we have compiled the original volume, over 22 handbooks, and numerous smaller expansion products into one enormous volume, giving you a compiled and rebalanced system that greatly expands on what sorts of worlds and characters you can use with the Pathfinder Roleplaying Game 1st edition!