The Skarvorn (Flock-Voice) is the seated body of Haizetsua's republic. Each of the eleven Tengu clans sends one elder; the seated eleven govern the island by consensus where possible and by a two-thirds majority where consensus fails. There has not been a single ruler on Haizetsua in any chronicle Tengu remember, and the cultural conviction that this is the proper shape for a people who fly runs deeper than any written constitution. The Tengu put it directly: no one bird leads a flock, and a flock that pretends otherwise is not a flock.
The Skarvorn convenes quarterly at the Open Pavilion in Vindboorg, with emergency convenings called by any three clan-elders. Sessions are public. Any Tengu may attend; the gallery typically holds twice the body of the seated eleven. Debate is conducted in the Tengu cultural register's formal mode (the register that drops articles and pronouns), each elder permitted three speeches per measure. Votes are by raised wing; the count is taken visually rather than spoken aloud, on the conviction that a Tengu who cannot read a flock's intent in its wings is not yet ready to govern one.
The four major winds of the year open the four Skarvorn quarters. A Tengu describing the year-rhythm of governance abroad gives the wind, not the Talanese month: the Skarrenn session, the Helmar session, the Tellenn session, the Skennok session. The four lesser winds (Vorkat, Drekkir, Norkar, Vyrrek) carry internal clan business and the great Vornsketta departures.
Each clan is a clan, monastery, and trading-guild at once: a kindred by blood or adoption that holds its own mountain-side compound, runs its own school, sponsors its own saltkeels for the mainland trade, and maintains its own internal philosophy without making that philosophy any other clan's business. The eleven do not divide by specialty in the way outsiders sometimes expect. Every clan teaches its young to read wind, to sing with the city, to trade abroad, to fight at need, and to keep records. The differences between them are felt in tone and tradition more than function, and a Tengu would say that this is the point.
Crossing clan-lines through marriage, adoption, or formal study-rotation is common. A Tengu born to one clan and raised in part by another carries both names in full at formal introduction. The eleven clans, listed in no order of precedence (and the Tengu would consider any other listing a faux pas):
To be Tengu is to live high and to speak true. The disposition is consistent across the eleven clans:
Tengu cities and villages are built into mountain faces. Ladders, rope-bridges, and carved staircases serve where Talanese towns would have streets. An unflighted visitor learns the route by exhaustion before they learn it by memory.
A Tengu reads the wind from childhood and never stops: it is the first discipline a clan teaches and among the last age takes away. The skill is craft, not magic, an experienced reader calling a storm days ahead from cloud-shape and the feel of a gust.
Communal eating is the social default. A Tengu eating alone is presumed to be in grief, contemplation, or a work-fast; a polite neighbour leaves them to it, and an impolite one offers tea anyway.
Tengu speech is shorter than Talanese-mainland speech. A long sentence is not impolite, but a short one is appreciated. The formal register, used in the Skarvorn and in clan-elder address, omits articles and pronouns entirely.
The Tengu migration custom. Every Tengu within their first century leaves Haizetsua for a period of years (three at the shortest, twenty at the longest) and lives, works, and learns elsewhere. The journey is not exile; it is the standard shape of a young Tengu life. A Tengu who never undertakes the Vornsketta is regarded with the polite incomprehension reserved for someone who never learns to read.
The custom is older than the Skarvorn Republic. Tengu doctrine holds that an island people who never leave the island become small; that the wind is the world's circulating breath, and a young lung needs to taste it across distances before it can sing on the mountain that raised it. Most Tengu return. Some do not. Those who return bring back what they learned and seat themselves in clan-life with the authority of someone who has compared. Those who do not return are remembered fondly and added to the clan's correspondence list.
The chronicler Golivander Tessek's seventy years of continent-wandering is the canonical model of a Vornsketta that became a vocation. He is not held up by the clans as exceptional; he is held up as the form done well.
Haizetsua's most-remarked feature is its architecture. Tengu dwellings, public buildings, and street-spans are carved from the living mountain with channels, fluted openings, and tuned cavities arranged so that wind passing through them produces sustained musical tones. A walk through Vindboorg in a strong wind sounds like a stone choir; the same walk in still air sounds like nothing at all. The wind sings the city, and the city sings what the wind is.
The craft is called air-carving, and a Tengu air-carver may spend twenty years learning to tune a new dwelling. The pitch of a building is a private matter for the household that commissions it; the surrounding neighbourhood's tones are publicly negotiated, however, and a new house whose tone clashes badly with its neighbours is a real social problem that requires the clan-elder to mediate.
Vindboorg as a whole sings characteristically at certain wind-strengths. The Vindboorg Major (the city's signature on the Helmar, the high wind of high summer) and the Vindboorg Minor (its winter voice on the Skennok) are commonly named tones. Smaller villages have their own characteristic signatures, and a Tengu who has travelled the island can tell where they are by sound alone. Mainland visitors find this either ravishing or unbearable; few find it ordinary.
Layered onto the architecture is the vocal tradition. Stormsinging is the Tengu vocal craft of singing with the city: pitching the voice into the building's tones and projecting it through the wind currents that carry the city's sound. A skilled stormsinger can be heard half a mountainside away without raising their volume. The wind does the carrying. The architecture does the amplification.
In ordinary practice stormsinging is acoustic and entirely natural, breath training and pitch discipline applied to a uniquely cooperative built environment. In the hands of an Occult practitioner the same craft becomes magical: the cultural-memory residue that Occult magic draws on is fed by every Tengu generation that has sung from the same balcony, and the wind itself can be made to carry meaning across distances no ordinary voice could reach. The boundary between the everyday discipline and the magical practice is the same boundary as between any cultural-memory-rich tradition and its Occult expression: gradual, ill-defined, and well-respected by both practitioners and clergy.
Outsiders frequently misread stormsinging as a Primal art, since wind sits in the elemental portfolio of Fisaya (one of the Four Elementals). The reading is wrong but understandable. The craft is Occult; the air it travels through is Fisaya's; the two are not the same thing.
Haizetsua's slopes support three distinct tea cultivars, grown at three altitude bands and constituting the island's signature trade product. Each band carries its own clan-pickers, its own harvest season, and its own social register.
Mist condenses on the leaves overnight; the harvest is gathered by hand before sunrise. The flavour is quiet, long-finishing, and slightly bitter in a way that opens. A small annual yield, prized in the noble courts of Lautara and the high-Council chambers of Frae City. The price reflects the climb. Faked downhill by less reputable mainland merchants; a genuine Skardun tin carries a clan-seal at the lid that air-carvers are commissioned to inspect.
The working merchant's tea. Brighter than Skardun, faster, considerably more available. The standard tea served at any reputable Talanese tea-house that imports from Haizetsua. A Tengu travelling abroad keeps a small Vintek tin in their satchel and considers it a piece of home.
The Tengu staple at flock-meals and at the open Skarvorn galleries. Robust, drinkable through the day, re-steepable through multiple pots. A Tengu household with no Korrek at the kettle is not a household currently in good order.
The Tengu year is marked in eight named winds rather than months, each a stretch of weather and character defining a quarter-segment of the year. The four major winds open the four Skarvorn quarters; the four lesser winds mark internal clan business and Vornsketta departures. Abroad, a Tengu dates a letter by the wind and the Talanese month both, since no mainlander tracks the winds; at home the wind alone serves, and adding the month reads as faintly pretentious.
The four marked with the lighter rim (Skarrenn · Helmar · Tellenn · Skennok) are the major winds; their openings are the Skarvorn's four seated quarters.
Tengu religion is single-deity Fisaya-devotional, with no separate ancestral pantheon. The wind goddess is depicted in Tengu iconography as a Tengu rather than a kitsune; her canonical depiction is kitsune-form, and the Tengu icon is a parallel folk-image, well-tolerated by the mainland church and recognised as a local affection. Her four aspects (Storms, Travel, Breath, Ruin) map directly onto Tengu cultural life: storms make the singing-cities sing; travel structures the Vornsketta; breath is stormsinging; ruin is the discipline of accepting what the wind takes.
Worship is austere by comparison with mainland Vindul practice. A Tengu temple is itself an air-carved instrument: a high cliff-cut chamber tuned so the prevailing wind voices it, and the rite is to sit inside that voice and listen for what the wind is saying through the stone. The sanctuary is never quite silent; the building is always half-singing, and the listening is the worship. Formal clergy are few, the Tengu pouring devotion into the singing and the listening rather than into an order, and one who feels a true call more often becomes a stormsinger than a cleric; the handful who do take Fisaya's orders are held in high regard and usually carry them mainland into Vindul's wider clergy.
Alongside Fisaya, each of the eleven clans keeps an internal founder-remembrance: the names of the clan's first generation, recited at clan-elder turning, held as ancestor-respect rather than ancestor-worship. The clans do not invoke their founders for power, do not maintain shrines to them in any public sense, and would not call the practice religion if asked directly. A clan-elder asked the same question by a chronicler will hedge, smile, and offer tea.