From publisher blurb:
Champions of the Spheres: Study and Practice introduces two new systems to the Spheres system: Oaths, which allow a character to take sacred vows in exchange for power, and Techniques, which allow a character to combine magic and martial prowess into powerful custom maneuvers!
Complete with new feats and class archetypes to take advantage of these two systems, Study and Practice is a wonderful addition to your gaming table. Take a vow of poverty and use it to reach new heights of personal power! Create unique signature attacks that devastate foes!
Take your Champions beyond with Champions of the Spheres: Study and Practice!