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Slush pile: Tarim Basin Campaign Setting

The Tarim Basin is an expanse of central Asia roughly the size of Pakistan or Venezuela in what is currently China's Xinjiang province. Once an important section of the Silk Road, I think it would make a fantastic basis for a D&D campaign outside of the standard pseudo-Europe milieu.

Just as D&D pseudo-Europe is riddled with anachronisms and borrows freely from ~1000 years of history, I'm going to play fast and loose with the timeline, instead focusing on pulling cool ideas from the basin's history pre-1500 or so.


Geography

The Tarim Basin is surrounded by mountains, with the Himalayas in the south and the Tian Shan in the north. In the center is the vast, bone-dry Taklakaman desert --- an endorheic basin, basically meaning that rivers go there to die. However, the Tarim river stretches for around 1,500 kilometers across the desert, creating a riparian corridor of desert poplars and grasslands.

Pretty much all ancient and medieval human settlement in the basin was along its edges, at the foothills of huge mountain ranges. These are usually described as 'oasis city-states', and most seem to have had elaborate irrigation systems.

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(From Wikipedia)

Travel in and out of the basin is limited by the mountains and deserts. In the west --- to reach modern-day Kyrgyzstan and Pakistan --- the key crossing seems to be the Irkeshtam Pass to the Alay valley. In the easy, the Evocatively-named Iron Gate pass provides access to the steppes of the Yanqi basin.

Culture and Faith

The Tarim Basin was situated smack in the middle of the Silk Road making it a nexus for an amazing panoply of cultures from many different ethno-linguistic families

Inhabiting the basin since around 800 A.D. are the Uyghurs, a Turkic people. Their arrival seems to be an explicit example of a migratory steppe group exchanging nomadism for settled agriculture. To the west and southwest (within and beyond the basin) were Indo-Iranians: Sogdians, Saka, Scythians, Persians, Balochis, Punjabis, and others. Directly south of the basin are the Tibetan highlands. To the north are various Turkic nomads: Karluks, Yaghmas, Chigils, and so on. Further north, one would find indigenous Siberians (it looks like Evenks, specifically). Northeast is Mongolia, and due east is, of course, China.

In Antiquity through the arrival of the Uyghurs, the Tarim basin was home to the Tocharians, an early branch of the Indo-European linguistic tree who followed some form of Buddhism. At some point the basin was overrun by the Xiongnu, who might (?) be the same as the Huns who invaded Europe. Other rulers include the Hepthalites ('White Huns'), the Kushan empire of northern India, the Tibetan Empire, and various Chinese dynasties. There is also evidence of Greek influence by way of the Greco-Bactrian kingdom founded by Alexander's conquests.

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There are also mummies in the basin, likely predating the Tocharians, though it's a bit tough to piece together the details, and excavations are politically fraught. Some mummies predate the Tocharians by 2000 years(!). In real life the mummies were found buried in boat-like coffins (from what I can tell), but in this fantasy setting maybe the mummifiers built lavish booby-trapped tombs around them.

Then we have religion. Most westerners would practice Islam, but some would be Nestorian Christians, Manicheans, or possibly Zoroastrians. Different forms of Buddhism were practiced but died out around the Middle ages (from what I can gather).

Making it Gameable


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