A massive expansion and revision of the OGL 3.5 product released in 2005, new content has taken the original product from under 20 pages in length to just over 70 pages.
Superior Synergy: Fantasy PFRPG Edition brings the concept of game mechanic synergy back into your favorite fantasy role-playing game system. The idea that some game mechanics (such as skills) are innately compatible with other game mechanics in ways that can influence the game without choosing additional elements (such as feats) to permit their use makes a comeback in a greatly expanded and revised way.