Thundain Thursday: Welcome to the World of Thundain

Some campaign settings are born in a single afternoon of inspiration. Others grow slowly over years — a name here, a map there, a faction that emerges from a single session and refuses to leave. Thundain is the second kind. It's a world that has been lived in, argued over, and built up across more than a decade of play, and it shows in the best possible way.

This is the first in an ongoing series of Thundain Thursday posts, where we'll explore the World of Thundain region by region, faction by faction, and secret by secret. Whether you're a player who's adventured here before or someone encountering the continent for the first time, there's always more to discover.

A Continent of Contrasts

Thundain is a large continent — roughly 2,600 miles across at its widest point — and it wears its geography like a personality. The northwest is cold, mountainous, and dangerous, dominated by the White Fang Orc Wastes and the Blood Plains, where civilization clings to fortified outposts like Mithril Keep and Stoneguard. The south bakes under the Burning Sands Desert and the desolate Black Sands, broken only by isolated settlements that have learned to survive on very little. 

Between those extremes lies everything else: dense ancient forests like the Dumorian Darkwoods and Scornwood Forest, fertile lowlands, mountain ranges that divide nations as effectively as any political border, and coastlines that have made maritime trade the lifeblood of half the continent.

The Republic of Thrane

At the heart of the continent — geographically and politically — sits the Republic of Thrane. Its central position is no accident. Thrane controls the crossroads of the continent, and its republican government represents something genuinely unusual in a world where most nations are ruled by kings, warlords, or worse. The capital, Centria, sits at the junction of the Thunder Rail's main east-west line and its north-south branch — making it the most connected city on the continent and, not coincidentally, one of the most powerful.

The Thunder Rail

No feature of Thundain generates more immediate questions than the Thunder Rail — a network of magical railways that connects the major cities of the continent in a web of enchanted lines. In a world where overland travel is slow, dangerous, and subject to the whims of weather and bandits, the Thunder Rail is transformative. It moves people, goods, and information faster than anything else on the continent. Who built it, who controls it, and who has been deliberately left off the network are questions that matter enormously to every nation on the map.

A World Worth Exploring

To the west, Corrillia and Vogornia offer their own distinct cultures and conflicts. To the east, Myridia, Sillennia, and Fharisth represent a different face of the continent entirely. The far north holds Verdun and Vogmur, cold and proud. The Isles of Dread lurk off the southwestern coast, their name doing exactly the work it's supposed to do.

And somewhere in the Dumorian Darkwoods, in the Triandus Wastes, in the ruins that predate every nation currently on the map — there are things that haven't been named yet. That's the nature of a living world. It's always larger than the map suggests.

Thundain Thursday will be here every week, going deeper into one corner of this world at a time. Next week: the Republic of Thrane — its history, its politics, and why being the most powerful nation on the continent doesn't necessarily mean being the safest place to live.

Thundain is the personal campaign setting of John Reyst, creator of d20pfsrd.com — the world's most popular free Pathfinder 1e rules reference, used by millions of Pathfinder players worldwide. Support John's work and get exclusive early access to Thundain content on Patreon.