The Handlers and the Abszurl are symbiotic subcultures, products of human society’s expansion into the stars.
The Drung, known as the Tribe of Starvation, savage warriors and uncompromising foes.
The Aukstatians are the people of the Rujien Mountains, north of the Highlands. They are the enemies of the White Towns and the Darkpine Hunters to the east.
First he becomes sweaty and feverish. Then the boils begin. The boils are beautiful. After that, he finds it difficult to breath, then move, then he drowns in his own blood. Is that sufficient?
The principal axiom of the Curalon Hestaris, and the basis of all its teachings, is this:
"Inhale. Kill. Exhale."
Surnames: The Chinese were among the very first cultures to adopt the use of hereditary surnames (around 2800 BC). But the custom didn't quite catch on in Europe - at least not until the Venetian aristocracy made it popular sometime between the 10th and 11th centuries AD. What culture made it popular in your setting and why?