Carthis

Carthis is a temperate rocky moon whose usable ground has been almost entirely consumed by cities, freight yards, and covered markets. What little open land remains survives as narrow public gardens, protected water catchments, and service corridors the ports cannot afford to lose. Carthis looks paved from orbit. Towers, descent fields, repair cradles, and bonded warehouses fill basins that once might have supported farms. Its air remains breathable, though the larger cities are often hazed by construction dust, industrial sealants, engine exhaust, and smoke from the market districts.

Carthis lives by movement and exchange. Orbital docks feed vast bonded ports below, while cargo intended only for transfer may change owners without ever leaving the stations above. Much of the moon’s food and raw material is imported, a dependence Carthis accepts because the same vessels rarely depart empty. Its people are cargo handlers, clerks, factors, brokers, innkeepers, repair crews, and the legal institutions that keep an agreement enforceable after both parties have left the moon.

Settlement is vertical, crowded, and constantly rebuilt. Working families occupy stack housing near the yards, exchanges, and stations that employ them. Wealthier houses hold the older freight districts and the counting halls raised above them. Carthis can always find room for another traveler, but never quite enough space for another warehouse. It has therefore spent centuries building upward, over, and occasionally through what came before.

Carthan public tradition treats the balance between Dawn and Gloam as a model for honest exchange. Dawn reveals what must be known; Gloam preserves what has been entrusted in confidence. A bargain governed entirely by one is considered either dangerously exposed or deliberately obscure. From this comes one of the moon’s oldest principles: a dispute viewed from only one side has not yet been judged. Fair dealing, reciprocity, and the weighing of competing claims are the civic expression of that belief, even though most counting houses refuse to record the Twofold aspect of anyone who enters them.

Carthis is governed by the Scales, seated at Cadran Exchange among the charter courts. Every bonded quay and counting house of recognized standing holds a voice within it. No dispute may be closed until both claims have been heard and weighed, and only the presiding Arbiter may declare the judgment complete. The Scales moves more slowly than the freight yards would prefer, but its rulings are honored across much of the Embrace. Its one firm limit is the charter beneath which it operates. The Scales may interpret that charter, but it may not alter or revoke it.

That charter was granted by Velyr and remains entrusted to House Aurethane. Carthis governs its own cities, stations, markets, and internal trade, while Aurethane maintains the foreign recognition that gives Carthan contracts force beyond the moon. Velyr also retains certain external obligations and privileges negotiated when the arrangement was first established. Carthis is therefore autonomous without being fully free of Velyrian influence, a distinction its merchants understand better than most governments.

Carthis does not command the Embrace and has never claimed to. It makes the Embrace easier to cross, easier to supply, and easier to conduct business within. At sufficient scale, that convenience becomes a form of power. Carthis is remembered as the lesser moon that surrendered nearly everything to become a port, and prospered because everyone eventually needed to pass through it.