Ars Magica (5th edition)

Publisher's blurb:

Imagine an age where myth is real and where the superstitions of the common folk hold true: faeries dance in forest glades, angels protect the Church, demons corrupt the weak, and wizards wield magic beyond the ken of other mortals. You play these magi, gathered in covenants with your allies and servants, unlocking secret powers and creating wonders. You and your friends will also portray the loyal companions and grogs who stand with the magi, as a buffer between them and the mundane world that often misunderstands their power and motives. When adventures draw you out into the medieval world of Mythic Europe, your stories are the stuff of legend.

The award-winning First Edition of Ars Magica by Jonathan Tweet and Mark Rein•Hagen set the benchmark for magic systems with what's widely regarded as the best rules for magic in all of gaming, and pioneered both troupe-style play and storytelling in roleplaying. It won the Gamer's Choice Award for Best Fantasy Roleplaying Game. The Fifth Edition won the Origins Award for Best Role Playing Game, the Gold ENnie for Best Rules, and the Out of the Box Award for Best Retread. Numerous supplements support the Fifth Edition, and dozens of still-useful supplements for previous editions cover every facet of Mythic Europe. Ars Magica players participate in a thriving fan community, as well.