With the Ruins of Symbaroum game line, the acclaimed setting of Symbaroum comes to the world's most popular roleplaying game rules! This beautifully illustrated, 200-page Gamemaster's Guide offers inspiration, guidelines and optional rules that will help you when designing adventures and running game sessions in the world of Symbaroum using the 5th Edition OGL ruleset! Extensive information on the capital city of Yndaros, the fortune hunter's town of Thistle Hold, and Karvosti, the cliff of the High Chieftain and the Huldra.

The one-shot adventure Blight Night, set at the edge of Davokar Forest, as an example of how adventure landscapes in Symbaroum can be built.

Advanced rules regarding expeditions into the forest of Davokar, to be used when designing or randomly creating thrilling treasure hunts, journeys of exploration and other kinds of wilderness adventures

A chapter on how to make in-game rewards more interesting and tailored to different player types, also including twenty-seven mystical artifacts, each with its own adventure setup.

A long list of optional rules, regarding advanced traps, troupe play, ceremonial magic, managing domains, pitched battles, pact making, social challenges, and more.