The

Empire An empire is a political unit made up of several territories, military outpost (military), outposts, and peoples, "usually created by conquest, and divided between a hegemony, dominant center and subordinate peripheries". The center of the ...

of Thyatis is a powerful state in the

Mystara Mystara is a campaign setting for the ''Dungeons & Dragons'' fantasy role playing game. It was the default setting for the Editions of Dungeons & Dragons, "Basic" version of the game throughout the 1980s and 1990s. Most adventures published for t ...

campaign setting A campaign setting is a setting for a tabletop role-playing game or wargame campaign. Most campaign settings are fictional worlds; however, some are historical or contemporary real-world locations. A '' campaign'' is a series of individual adve ...

for the ''

Dungeons & Dragons ''Dungeons & Dragons'' (commonly abbreviated as ''D&D'' or ''DnD'') is a fantasy tabletop role-playing game (TTRPG) originally created and designed by Gary Gygax and Dave Arneson. The game was first published in 1974 by TSR (company)#Tactical ...

fantasy Fantasy is a genre of speculative fiction that involves supernatural or Magic (supernatural), magical elements, often including Fictional universe, imaginary places and Legendary creature, creatures. The genre's roots lie in oral traditions, ...

role-playing game A role-playing game (sometimes spelled roleplaying game, or abbreviated as RPG) is a game in which players assume the roles of player character, characters in a fictional Setting (narrative), setting. Players take responsibility for acting out ...

. Thyatis was first mentioned in Module X1,

Isle of Dread ''The Isle of Dread'' is an adventure for the ''Dungeons & Dragons'' role-playing game. The adventure, module code ''X1'', was originally published in 1981. Written by David "Zeb" Cook and Tom Moldvay, it is among the most widely circulated of al ...

, which describes it briefly. Along with the Alphatian Empire, Thyatis was more fully detailed in the Dawn of the Emperors boxed set. Along with Alphatia, Thyatis is one of the "

great powers A great power is a sovereign state that is recognized as having the ability and expertise to exert its influence on a global scale. Great powers characteristically possess military and economic strength, as well as diplomatic and soft power ...

" of Mystara.

The Thyatian Empire

Thyatis (the city) is the capital of the Empire and the largest city on Mystara. It is on the southeastern coast of the continent of Brun, situated between the trade lanes of the Sea of Dread to the south and the Sea of Dawn to the east, alongside a canal ("Vanya's Girdle"). Conceptually, Thyatis is a mixture of different parts of the various historical Roman empires. It is governed by an Emperor and an Imperial Senate as per the classical

Roman Empire The Roman Empire ruled the Mediterranean and much of Europe, Western Asia and North Africa. The Roman people, Romans conquered most of this during the Roman Republic, Republic, and it was ruled by emperors following Octavian's assumption of ...

, but enfranchises a feudal noble class similar to that of the

Holy Roman Empire The Holy Roman Empire, also known as the Holy Roman Empire of the German Nation after 1512, was a polity in Central and Western Europe, usually headed by the Holy Roman Emperor. It developed in the Early Middle Ages, and lasted for a millennium ...

. The Emperor himself is akin to that of the Byzantines (as is the capital city's placement on a major

strait A strait is a water body connecting two seas or water basins. The surface water is, for the most part, at the same elevation on both sides and flows through the strait in both directions, even though the topography generally constricts the ...

). The Imperial Bureaucracy as described in '' Dawn of the Emperors'' is clearly inspired by that of the

British Empire The British Empire comprised the dominions, Crown colony, colonies, protectorates, League of Nations mandate, mandates, and other Dependent territory, territories ruled or administered by the United Kingdom and its predecessor states. It bega ...

, as is, at least in name, one branch of the Thyatian Armed Forces, the "Retebius Air Fleet" (RAF), which consists of cavalry on flying mounts (Pegasi, Hippogriffs, Griffons, Sphinxs, Rocs, and Dragons).

Karameikos Mystara is a campaign setting for the ''Dungeons & Dragons'' fantasy role playing game. It was the default setting for the "Basic" version of the game throughout the 1980s and 1990s. Most adventures published for the "Basic" edition of ''D&D'' t ...

is ruled by a Thyatian nobility, but the Empire's territories consist of the western half of the Isle of Dawn, the island realms of Ochalea and the Pearl Islands, and the Thyatian Hinterlands on the southern continent of Davania, in addition to its mainland territories on Brun, which are the smallest of the Empire's territories by geographic size, but the most heavily populated and developed of them. The total land area of the Empire is approximately . Because of its political geography, Thyatis can be described as a

thalassocracy A thalassocracy or thalattocracy, sometimes also maritime empire, is a state with primarily maritime realms, an empire at sea, or a seaborne empire. Traditional thalassocracies seldom dominate interiors, even in their home territories. Examples o ...

. In its long history, Thyatis has ruled other lands, including Traladara (which became

), the islands of Ierendi, the southern half of Ylaruam, and the city of Oceansend in Norwold. Thyatian settlers have colonized part of the

Savage Coast Mystara is a campaign setting for the ''Dungeons & Dragons'' fantasy role playing game. It was the default setting for the Editions of Dungeons & Dragons, "Basic" version of the game throughout the 1980s and 1990s. Most adventures published for t ...

and also the Heldannic Freeholds, which are ruled by a religious order devoted to the Thyatian-descended Immortal Vanya. Thyatis has a historic rivalry with the Alphatian Empire, and the two imperial powers devote much of their energy and attention to each other. At the start of the official timeline (AC 1000, or thousand years after the crowning of the first Emperor of Thyatis, in the Thyatian calendar), they are locked in a struggle resembling that of the

Cold War The Cold War was a period of global Geopolitics, geopolitical rivalry between the United States (US) and the Soviet Union (USSR) and their respective allies, the capitalist Western Bloc and communist Eastern Bloc, which lasted from 1947 unt ...

, and several published high-level modules have their territorial disputes as a backdrop (notably CM 1, M1, M2, and M5).

Metropolitan Thyatis

"Mainland" Thyatis, which includes several islands, has 3,200,000 inhabitants, and consists of the following dominions: * Actius, a small southeastern island county known for its shipbuilding and sea elven community. * Biazzan, a trading city in a mountain pass in northwestern Thyatis, home of a respected university. * Borydos, an eastern island used as an imperial prison. * Buhrohur, a mountain barony inhabited by dwarves, in northern Thyatis. * Carytion, a lush eastern island used as a luxury retreat by Thyatis' wealthy. * Halathius, a mountain county in northern Thyatis renowned for its gold mines. * Hattias, a county covering a large island directly south of Thyatis City, across Vanya's Girdle, known for its population of militant, often racially jingoistic, Thyatians. * Kantrium, a small duchy in eastern Thyatis. * Kerendas, a large, populous duchy known for its horse breeding and for training the best cavalry in the Empire. * Lucinius, a county on a peninsula east of Thyatis City, known for its shipbuilding and maritime skills. * Machetos, a small duchy in western Thyatis, bordering

. * Mositius, an island duchy in eastern Thyatis, known for tourism and the magical mists that often cover the island. * Retebius, a duchy in eastern Thyatis renowned for training Thyatis' aerial cavalry. * Sclaras, a small island in southeastern Thyatis, carved into 250 estates, each held by a powerful Thyatian archmage (36th level D&D). * Tel Akbir, eastern duchy inhabited by Alaysians, known for their light cavalry skills. * Terentias, island in western Thyatis known for their seafaring and swashbuckling ways. It has a high proportion of elven inhabitants. * Thyatis, the Duchy of - dominion held directly by the Emperor, most densely populated realm in the Empire and a center of war and trade "for a thousand years, and may be for a thousand more" per ''Dawn of the Emperors''. * Thyatis City, the largest city in Mystara, situated on Vanya's Girdle and along the Mesonian River, north of the island of Hattias, in the center of the Dutchy of Thyatis. The Empire's "Heart" and Mystara's ''

Rome Rome (Italian language, Italian and , ) is the capital city and most populated (municipality) of Italy. It is also the administrative centre of the Lazio Regions of Italy, region and of the Metropolitan City of Rome. A special named with 2, ...

'' or ''

Constantinople Constantinople (#Names of Constantinople, see other names) was a historical city located on the Bosporus that served as the capital of the Roman Empire, Roman, Byzantine Empire, Byzantine, Latin Empire, Latin, and Ottoman Empire, Ottoman empire ...

''. The inhabitants do not refer to it as "Thyatis City", but they simply call it "Thyatis". * Vyalia, a woodland county in western Thyatis inhabited by the Vyalia Elves. It is known as the home of the Foresters, a fighting order of wizard-warriors.

Imperial Dominions

Thyatis' overseas territories, which cover most of the Empire's land area, include: * Ochalea, a large island domain south of Thyatis, west of the Isle of Dawn * The Pearl Islands, an island chain south of the Alphatian Isles and west of Belissaria. * Caerdwicca, a domain on the southern coast of the Isle of Dawn. * Furmenglave, a small domain near Caerdwicca on the Isle of Dawn. * Provincia Septentriona, a province on the Shadow Coast of the Isle of Dawn. * Provincia Meridiona, a province on the Shadow Coast, south of Septentriona and north of Furmenglave on the Isle of Dawn. * West Portage, a trading port in the neck of the Isle of Dawn. * Redstone, a fair domain on the western portion of the Isle of Dawn, opposite Thyatis itself across the Western Sea of Dawn. * Kendach, a fortified county in the center of the Isle of Dawn. * Westrourke, a large Grand Duchy in northwestern Isle of Dawn. * Helskir, a sometime dominion at the northern tip of the Isle of Dawn. * Thyatian Hinterlands, a recently conquered dominion on the northern coast of the continent of Davania, south of the Sea of Dread and west of Ochalea.

Further development

The adventures of the boxed set '' Wrath of the Immortals'' takes place within the context of a great war between the two, climaxing in the weakening of Thyatis and the sinking of the continent of Alphatia. Subsequently, Thyatis conquered a few formerly Alphatian territories, suffered setbacks and plague, and by the final official publication that made much mention of Thyatis (''Joshuan's Almanac'') seemed to be on the road for a gradual recovery. Many campaigns did not use Wrath of the Immortals and the development of their versions of Mystaran countries, particularly Thyatis and Alphatia, may have diverged greatly. In particular those who used earlier published modules, such as CM1 ''

Test of the Warlords ''Test of the Warlords'' () is a 1984 adventure module for the ''Dungeons & Dragons'' roleplaying game. Its associated code is CM1 and is TSR's product number 9117. The adventure takes place in Norwold, which is located in the north east corner o ...

'' or M5 '' Talons of Night'', which involved different conflicts and possible resolutions, could have ended up with very different versions of the Empires than what occurred in the ''Wrath'' timeline. In a review of the adventures '' Arena of Thyatis'' and '' Legions of Thyatis'', game designer

Ken Rolston Ken Rolston is an American computer game and role-playing game designer best known for his work with West End Games and on the computer game series ''The Elder Scrolls''. Tabletop role-playing games Ken Rolston began working as a professional g ...

called Thyatis "a ''D&D''-game version of ancient Rome", and the city of Thyatis itself an "ancient Roman city": "You have your basic criminal syndicates, debauched and corrupt senators, sinister intrigues, big parties, and lots of hearty Spartacus-style gladiators".

References

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External links