
Green Sea
„Sea of the Naga" · „Western Green Waters" · „Sea of the Coral Cities" · „Legendary Waters of the Naga Kobolds"
The Green Sea is a mysterious and adventurous sea region off the western coast of Ulvenor, tied to the naga kobolds, underwater cities, coral reefs, trade routes, and the ancient roads beyond the boundary of the known world.
From the Chronicler's Atlas
📖 Summary
The Green Sea lies off the western coast of Ulvenor and belongs among the least understood, but most important, sea regions of the world. To most of the inland peoples it is a sea of merchants, storms, coral shallows, dangerous currents, and old seafaring tales. To the naga kobolds, however, it is home. It was here, after the catastrophe of Henstir, that a peculiar water-branch of the kobolds split off, adapted to life beneath the surface. The naga kobolds have a longer tail that serves for swimming, bodies suited to water, and gills, thanks to which they can live in underwater seats. Their cities are hidden among coral reefs, sea caves, and deep currents. Many humans, elves, and dwarves regard them more as a legend than as a true civilization, because few have ever met them face to face. Even so, the naga kobolds have a real influence on the history of Ulvenor. According to some traditions, they helped Sorcer with ships, with sailing, and with the crossing of the Green Sea, by which they indirectly contributed to the return of elemental magic to the Empire.
A Sea the Land Does Not Understand
For most of the inhabitants of Ulvenor, the Green Sea is the border between the known world and something that can no longer easily be described on a map. It lies off the western coast of the continent, where the grass and marsh regions of the Great Plains gradually break into cliffs, beaches, bays, and greenish waters. Sailors speak of it with both reverence and unease, because its currents are treacherous, fogs frequent, and the shallows can wreck a ship before the crew sees land. Even so, it is no dead or empty sea. On the contrary, the Green Sea is full of life. Its name comes from the color of the shallows, the water plants, the coral growth, and a peculiar greenish gleam that appears on the surface in certain light. To the land races it is a dangerous beauty, because beneath it lies a world into which they cannot enter without help.
The Legendary Naga Kobolds
To many inland inhabitants the naga kobolds are more a tale than a real race. The people of the Empire have heard of them in the stories of sailors, the elves in ancient mentions of water-bound kobold branches, and the dwarves in trade reports from the coast. Only a few have truly seen them. Those who have often describe beings smaller and lizard-like, similar to kobolds but with a longer tail, with swimming webs, water signs, and a movement that on land feels foreign while in the water it is almost perfect. It is precisely this elusiveness that has made them legend. The land races tend to believe only in what they can conquer, record, or tax. The naga kobolds, however, live in a space where armies cannot follow them. Their cities do not lie behind walls that can be besieged, but beneath the surface, among reefs, caves, and currents. Many contradictory tales have therefore arisen about them: to some they are guardians of treasures, to others sea demons, and to still others merely a sailor's superstition.
Water Branch of the Kobolds
The naga kobolds are a different evolutionary branch from most of the kobolds of the Great Plains. Their origin reaches into the period after the eruption of Henstir, when the climate, the sea levels, the coasts, and the migration paths changed decisively. Part of the kobold ancestors then reached the coastal lagoons, the sea caves, and the wet edges of the Green Sea. While the inland kobolds adapted to the marshes and the plains, this branch became ever more bound to the water. Through long generations their bodies changed. The tail lengthened and strengthened, until it began to serve as the chief instrument of movement in the water, much as in fish. The body grew suppler, the lungs adapted to holding the breath longer, and later gills developed that allowed them to breathe beneath the surface. It was precisely this development that made them one of the most remarkable humanoid branches of Ulvenor.
Coral Reefs and Underwater Cities
The Green Sea is full of coral reefs, green underwater gardens, rock arches, deeper canyons, and places where light passes through the water like broken glass. It is here that the naga kobolds built their cities. To land races they seem almost impossible: seats among the corals, carved into the cliffs, hidden in caves, or spread around warm currents and underwater springs. These cities are not fortresses in the human sense. They are safe points in the endless space of water. They have ancestor temples, current-gates, shelters for eggs and young, halls of worked stone, places for the gathering of pearls, coral terraces, and deep archives where objects pulled from wrecks and old sea abysses are kept. To the naga kobolds a city is above all a certainty in the midst of an element that never sleeps.
A Civilization Shielded by the Depths
The greatest advantage of the naga kobolds is that they cannot, in practice, be driven from their homes. A land army can take a coastal fortress, burn a warehouse, or seize a beach, but it cannot march against a city lying deep beneath the surface. Neither the Empire, nor the kobold tribes of the inland, nor the centaurs, nor the dwarven armies have ever truly threatened the heart of naga civilization. This safety allowed them to develop differently from the other kobolds. They did not need to defend constantly every field, every road, and every marsh. Instead they learned to live with the sea, to watch the currents, to map the caves, to trade along the coast, and to seek old artifacts in places no other race could ever reach. Their world is quiet, deep, and in many ways older than it seems.
Artifacts and Secrets of the Depths
The naga kobolds are known for pulling out of the depths of the Green Sea objects that no one else has ever seen. They may be the wrecks of ships, stone tablets from a time before the known kingdoms, peculiar pearls, metal caskets, weapons from ancient sea battles, or artifacts that, by all signs, do not come from Ulvenor. It is precisely these finds that feed the tales that the Green Sea hides paths to the world beyond the horizon. Some naga houses specialize in the exploration of the depths. Their divers, current-priests, and wreck hunters hold high standing among their own people. Every great find can shift the balance between the cities, because an artifact from the depths is not only a treasure. It may be proof of an old road, of a forgotten continent, or of a power that should not be awoken again.
A Sea of Trade and Discovery
The Green Sea is not only mysterious, but also a sea of trade. Along its coast move ships, caravans, smugglers, fishers, pearl traders, coral seekers, and messengers between the naga cities. Most of the great land peoples have no strong control here, because the coast is demanding, the sea treacherous, and the local power relations often invisible to foreigners. It is precisely for this reason that the Green Sea is adventurous. Whoever comes here may find a trade chance, a lost wreck, a naga guide, a secret path, an old harbor, or a map that shows something beyond the western horizon. Just as easily, however, one may vanish in a storm, be robbed by a coastal house, or fall to a deep-sea creature about whom the land insisted that it did not exist.
Sorcer and the Road of Magic
One of the most important tales ties the naga kobolds to Sorcer, the lone survivor of the expedition to the unknown western continent. According to some accounts it was precisely the naga tribes who helped him with ships, repairs, sea routes, or the crossing of the dangerous parts of the Green Sea. It is not certain whether this aid was knowing, commercial, forced, or accidental, but its effect was enormous. Sorcer at last returned to Ulvenor and brought the knowledge of elemental magic, which changed the history of the Empire and of the entire continent. If the naga kobolds truly stood at part of his road, this means that a sea civilization which many regard as legendary indirectly helped to set off one of the greatest transformations of the land world.
Undiscovered Western Continent
It is peculiar that the naga kobolds, who belong among the best underwater travelers of Ulvenor, have apparently still not fully discovered the western continent from which Sorcer returned with magic. Some scholars insist that they may have discovered it, but conceal their knowledge. Others believe that the paths to it are guarded by currents, storms, deep rifts, or forces that even the naga avoid. In naga legends appear mentions of waters without a bottom, lost lights beyond the current, silent islands, and foreign songs that pass through the water from places no house should sail to. To land discoverers these are only poems. To the naga kobolds, perhaps, warnings. And to adventurers, the beginning of the question whether the Green Sea is guarding a road out of Ulvenor, or keeping something from coming in.
A Less Visited World
The Green Sea is a difficult place to live for ordinary humanoids. The coast may be beautiful, but it is wet, stony, full of fogs, of swift tides, and of places where the water shifts quickly from shallow to deadly deep. Beneath the surface most races can go only briefly, and without help they cannot survive there at all. It is precisely for this reason that this region remains less visited than other parts of Ulvenor. This suits the naga kobolds. Their civilization may feel secret not because it constantly hides itself, but because most of the world is unable to come to the place where they truly live. The Green Sea thus remains one of the last great spaces of Ulvenor that are not fully recorded in the land chronicles.
Sub-Locations
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Western Coast
The Western Coast is a cultural strip of the naga kobolds, where beaches, cliffs, fortresses, and trade harbors meet the underwater world of the Green Sea.
The Western Coast of the Green Sea forms the passage between the land Ulvenor and the water civilization of the naga kobolds. Here lie beaches, rocky outcrops, coastal fortresses, lagoons, trade docks, caves, and smaller seats that allow contact between the underwater cities and the world on land. It is here that land merchants, adventurers, and envoys most often appear, hoping to meet the naga kobolds. The coast is also politically alive, because individual naga cities and houses contend for control of moorings, sea routes, wrecks, shallows, and access to land trade.
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A Strip Between Land and Water
The Western Coast is not an ordinary border. It is a strip of passage, where the land roads change into sea routes and where the kobold culture of the Great Plains touches the water civilization of the naga. The land here is broken: in places sandy, elsewhere rocky, with lagoons, tidal caves, reefs, and sheltered coves. For the land races this coast is the easiest place where they may at least glimpse the naga kobolds. This does not mean, however, that the place is safe. Many coves belong to particular houses, some cliffs hide watch tunnels, and some beaches are sacred or forbidden. A foreigner who steps on the wrong place may break a law of which he has never heard.
Coastal Fortresses
The naga kobolds raise on the coast fortresses that are not meant for waging great land wars, but for the control of the passage between the two worlds. These fortresses often stand partly on the rocks and partly in the water. They have dry halls for trade negotiations, wet passages for the naga, hidden entrances beneath the surface, and towers that watch the sea currents. Their purpose is to shield the access to the underwater cities, to control trade, and to deter pirates, smugglers, or foreign scouts. To land armies these fortresses feel peculiar, because they are not built only against attack from the land. In truth, the most important part of them is often beneath the water.
Rivalry of the Coastal Cities
The coast of the Green Sea is not united under a single ruler. Individual naga cities, houses, and fortresses contend for control of trade routes, pearl fields, coral regions, wrecks, and places where land ships may safely anchor. This rivalry tends to be less visible than human wars or the kobold clashes on the plains, but it can be just as dangerous. Sometimes the rivalry takes the form of trade agreements, exchanges of hostages, marriages between houses, or claims to a particular lagoon. At other times ships vanish, current-marks change, false maps appear, and merchants find that they have become pieces in a game they do not understand at all.
Land Trade
On the Western Coast trade is done in pearls, salt, corals, water herbs, fish, mother-of-pearl, peculiar stones from the underwater canyons, and artifacts pulled from wrecks. The land races bring here metal, wood, fabrics, tools, pottery, weapons, and reports from the inland. The naga kobolds need land trade, but they have never fully submitted to it. They know that their greatest wealth does not lie on the markets, but in the depths. They therefore deal with foreigners cautiously. They offer enough to keep relations, but rarely reveal where their most precious objects truly come from.
Gateway to Adventure
The Western Coast is the most fitting place for expeditions into the Green Sea. It is from here that adventurers may seek naga guides, hire a ship, obtain a map of the currents, or try to negotiate entry into one of the coastal seats. Just as well, they may run into smugglers, lost sailors, artifact hunters, or people who claim that they have seen a light deep beneath the surface. For many tales this coast is the beginning. Not the true goal, but the place where the land makes sense for the last time. Beyond it begins the Green Sea, a world where the usual rules cease to hold and where even the greatest empires must rely on those they considered yesterday a legend.

Naga Kobold Settlements
The Naga Kobold Settlements form a network of underwater cities, lagoons, caves, and coral seats that most of the land races consider legendary.
The Naga Kobold Settlements are the true heart of the Green Sea. It is not one empire nor one capital, but a network of underwater seats, lagoons, sea caves, coral cities, and hidden fortresses that stretch along the western coast of Ulvenor. The naga kobolds have lived here since the ancient days after the eruption of Henstir, and their civilization has developed almost separately from land history. Thanks to gills, longer tails, and a water-bound body, they have built a world into which other races almost cannot go. Their cities are to humans and elves a legend, to the kobolds of the Great Plains a distant kin, and to the naga themselves an everyday reality.
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Lagoons as the Beginning
The oldest naga kobold settlements probably did not arise in the deep sea, but in the coastal lagoons. It was here that the water-bound kobold branch learned to live between land and sea. The lagoons offered food, shelter, shallow water, caves, and natural protection from deep-sea creatures. To this day the Lagoons of the Naga carry sacred meaning. They are considered the places of origin, where out of ordinary kobold ancestors the first naga arose. In some lagoons rites of coming of age are held, blessings of the young, trials of the first deep dive, and ceremonies in which the young naga for the first time leave the shallow world and enter the true sea.
Sea Caves
Sea caves form the natural passages between the coast and the underwater cities. Some are accessible only at a certain tide, others have both dry and flooded parts, and still others lead deep beneath the reefs, where their corridors branch into secret paths. It is precisely here that the oldest sanctuaries and memorials of the naga kobolds often lie hidden. To land adventurers these caves may be the only way to come closer to the naga world. At the same time, however, they are full of risks. The current can change in a few moments, the way back can vanish under water, and some caves are guarded not only by sentinels but also by creatures that, in utter darkness, hunt by the movement of water.
Underwater Cities
The underwater cities of the naga kobolds belong among the most legendary places of the western Ulvenor. They are built among coral reefs, rock walls, deep terraces, and old lava formations. Some lie in shallow water, where light reaches into the streets, others lie deeper, lit by bioluminescent plants, pearls, crystals, and peculiar water candles. The architecture of these cities is different from land buildings. It is not founded on broad squares and tall towers, but on currents, channels, hollows, vertical corridors, and places where the body can move in all directions. Where a man sees chaos, a naga sees the perfect logic of a water space.
A City as a Safe Point
For the land races a city is above all a center of rule, of trade, and of population. For the naga kobolds a city is something still more important: a safe point in the endless and dangerous space of water. The sea is beautiful, but never wholly friendly. A current, hunger, a predator, a sickness, or the loss of orientation can kill as surely as an enemy. Naga cities therefore work as anchors of civilization. Each of them has shielded halls, shelters for the young, supply gardens, places for the raising of water creatures, ritual spaces, archives of artifacts, and defensive passages. Whoever is born in such a city learns from his youth that safety is not a given, but the result of shared memory and discipline.
Houses, Councils, and Current Law
The naga kobolds are not united under a single king. Their society rests on houses, on city councils, on elder scouts, on current-priests, and on the keepers of the old maps. Power belongs to whoever knows the paths, controls safe passages, defends a lagoon, or holds the right to a particular reef, wreck, or deep-water spring. Their laws are often called current law. It is not only about owning a place, but also about the right of movement, of hunting, of gathering, of passage, and of protection. To the land races these rules are hard to understand, because in the water borders are not visible. To the naga, however, a current is as clear a road as an imperial highway.
Underwater Rites
The naga kobolds have rites tied to currents, to depths, to forebears, and to the change of the body. The oldest ceremonies are held in the lagoons and caves, while the most sacred rites take place in places into which daylight does not reach. They believe that the depths preserve the memory of the world better than stone, because water surrounds everything that falls into it. Among the most important rites are the first dive into a deep current, the oath to the city, the return of a wreck hunter, the burial in a silent reef, and the rite of listening, in which the current-priests seek signs in the movement of water. These rites give naga civilization a spiritual depth that the land races often do not suspect at all.
Contacts With Land Kobolds
The relationship between the naga kobolds and the kobolds of the Great Plains is complex. Both branches share an ancient origin, but their worlds have grown so far apart that they sometimes recall each other more as distant myths than as close kin. The land kobolds admire the water freedom of the naga, but at the same time they do not understand them. The naga, on the contrary, regard the life of constant war on the plains as wearisome and dangerously bound to the soil. Even so, between them there is trade and occasional alliance. The naga deliver pearls, sea artifacts, rare salts, and things from the depths, while the land kobolds provide metal, tools, dry foods, and reports from the inland. Some mystics from Javorica have tried to study naga current-magic, but the results of these contacts are carefully guarded.
Continents Almost Discovered
The naga kobolds are great underwater travelers. They can follow currents, journey among reefs, find their way by the temperature of water, by the stars, by depths, and by the taste of the sea. Several times, according to their own tales, they have reached so far west that the currents began to be different, and beneath the surface appeared stones that did not answer to Ulvenor. It is precisely for this reason that it is a riddle why they have never openly admitted the discovery of the western continent. Perhaps they did not find it. Perhaps they found it and chose to keep silent. Perhaps too few naga returned from such voyages for their words to be accepted as truth. And perhaps there are waters into which not even those born for the sea will go.
Legends That Are Real
To the land races the underwater cities of the Naga are almost a fairy tale. There is talk of coral gates, of luminous halls, of lizard kings beneath the surface, of treasures in pearl chambers, and of guardians who can vanish with a single stroke of the tail. Most of these tales are exaggerated, inaccurate, or wholly misunderstood. This does not, however, mean that they are untrue. The naga cities truly exist. They are only different from what people imagine. They do not wait to be discovered, because they do not need the land to acknowledge them. Their world breathes on beneath the surface, while empires on land are born, fight, and pass away, without ever seeing the true heart of the Green Sea.
Hooks for GM
Story fragments waiting for their heroes, ready for use at the game table.
City Beneath a Green Light
Fishers glimpse at night beneath the surface a whole lit city. By morning there is no trace of it, but on the shore remains a peculiar coral tablet with a map of currents.
Sorcer's Debt
One naga house claims that Sorcer once promised their forebears a reward for the help with his crossing of the Green Sea. Now they want the Empire to pay this ancient debt.
A Wreck From a Foreign Continent
Naga wreck hunters discover a ship that answers to no known build of Ulvenor. Several cities begin to contend over who will obtain its cargo.
Current Law
A land trading company builds a harbor in a bay the naga consider part of an old current law. The conflict may grow into a blockade of the entire coast.
Lagoon of the First Dive
The sacred lagoon where young naga undergo their first deep dive begins to dry out or to change its color. The current-priests insist that someone has disturbed an old underwater spring.
The Green Sea Falls Silent
One of the underwater cities stops communicating with the coast. The other houses refuse to send their own people, because they fear that something has come back from the depths that should have remained forgotten.
Connections
👤 Figures
⚑ Factions
- Naga Kobolds
- Kobolds of the Great Plains
- Naga Coastal Houses
- Undersea Cities of the Naga
- Empire of Magnursar
- Javorica Magic School