Zheketri

From an empire’s ashes arise cruel warlords, savage hordes, and man-eating giants—all seeking the cosmic steel to become like gods—in this pulp sword & sorcery mega-adventure for Old-School Essentials.

An official OSE supplement of demons, cults, and dark magic.

An alternative psionics ruleset designed for old-school games, with an emphasis on ease of play over tracking points.

Ars Magica's deluxe edition with vastly expanded text, new art and graphic design, and luxurious upgrades.