Location First: 041

Maritime Coral City

Maritime Korallenstadt

Status: Active -- serves as the psionic center of Sarym's PSI-Aura; inhabited by the Oracle Lyda Mar and Aura Damona Mar

"The city is calling to me."
-- Lyda Mar, upon entering the Maritime Coral City (Booklet 042)

The Maritime Coral City (German: Maritime Korallenstadt, also maritimen Korallenstadt) is a vast, ancient coral structure located in the ocean of the planet Sarym (also known as Equilibrium) in the Norvo System. Built by the Buds of the Tree -- primordial plant intelligences who shaped the bio-psionic ecology of the Norvo System -- the Maritime Coral City is the central control element of Sarym's PSI-Aura, an immense psionic energy field that extends across the planet and connects it to the system-spanning PSI-Net. It is one of the most consequential locations in Die Terranauten, appearing directly or by reference in at least 9 booklets and mentioned across more than 50 enriched wiki pages in the Encyclopedia Galactica.

The Maritime Coral City is simultaneously a living organism, a psionic intelligence, a repository of consciousness, and a fortress. Its walls are covered with a fluorescent plant network called the Pflanzengeflecht, its corridors teem with Dream-hooks -- dragonfly-like parasites that induce visions and hallucinations -- and its depths house the echoes of individuals who have merged with the PSI-Aura across the centuries. It is here that Lyda Mar became a Mediator, that Aura Damona Mar was conceived within the fabric of the PSI-Aura itself, and that the Super-Drivers bred by the Alpha-Order met their destruction during the climactic War of Minds. After the events of Booklet 063, the Maritime Coral City became the permanent home of Lyda Mar and Aura Damona Mar, who serve as its Oracles and guardians -- PSI-Operateure (PSI-Operators) maintaining the bio-psionic equilibrium of an entire star system.


Physical Description

Location and Setting

The Maritime Coral City lies in the ocean between Sarym's two major continents -- the North Continent, home to the Surinen settlements, and the South Continent, a vast jungle region harboring underground tunnel systems and the Underwater Research Base. The city is a massive coral structure partially submerged beneath the ocean surface, its upper portions exposed during normal tides and its full extent revealed only during the rare phenomenon known as the Große Ebbe (Great Ebb) -- a periodic extreme low tide that exposes the entire structure.

The city is accessible by sea, and the Terranauts first crossed the ocean to reach it using Water-lily Jellyfish -- enormous organic, jellyfish-like plants that serve as living boats (Booklet 042). Later expeditions used Gray Guard underwater gliders and combat gliders to approach the structure (Booklet 061).

Architecture and Interior

The Maritime Coral City is not a human construction. It is an organic structure grown by the Buds of the Tree, composed of living coral that forms corridors, chambers, and passages of enormous scale. Key architectural features include:

  • The Pflanzengeflecht (Plant Network) -- A fluorescent plant network covering the walls of the coral city, emitting a bioluminescent glow that illuminates its interior passages. This network is part of the city's bio-psionic infrastructure, channeling PSI energy through its organic circuitry.
  • The Deltakorridor (Delta Corridor) -- A named corridor within the coral city, one of several navigable passages that thread through the structure. Some corridors are known to contract as a defensive mechanism when intruders attempt to penetrate deeper levels (Booklet 061).
  • The Lower Levels -- The deeper chambers of the coral city, heavily defended by Dream-hooks and psionic countermeasures. These levels house the heart of the PSI-Aura and are the most difficult to access. Queen Yazmin and Expert Mira attempted to breach these levels using explosives and were repelled with heavy casualties (Booklet 061).
  • Hard-Shelled Fruits -- The coral city produces hard-shelled fruits from which Dream-hooks are born. These are both a natural element of the city's ecology and part of its defensive system (Booklet 042).

Defense Mechanisms

The Maritime Coral City possesses formidable active and passive defenses:

  • Dream-hooks -- Dragonfly-like creatures that attach to human bloodstreams and induce bizarre dreams, visions, and hallucinations. They swarm throughout the coral city and can incapacitate or kill intruders. Dream-hooks are born from the hard-shelled fruits growing within the city and can be released in massive numbers during the Große Ebbe as part of a "panic program" (Booklets 042, 061, 063).
  • Contracting Corridors -- The coral city's passages can physically narrow and constrict, crushing or trapping anyone who triggers the defense mechanism (Booklet 061).
  • The PSI-Aura -- The city's most powerful defense. The PSI-Aura can disable approaching spacecraft by creating an energy field that shorts out ship systems, causing them to crash. It neutralized Prometheus 107, Isis 31, and Phoenix 34 -- three of the most powerful Super-Drivers ever created -- and killed Dor Masali when he attempted a fusion bomb attack. It also destroyed Expert Mira during the War of Minds (Booklets 061, 063).
  • The Panic Program -- An ancient directive embedded within the PSI-Aura that triggers extreme defensive measures, including the mass release of Dream-hooks programmed to spread chaos across Sarym. This program activates during the Große Ebbe and appears to be a response to existential threats to the bio-psionic system (Booklet 061).

The PSI-Aura

The PSI-Aura of the Maritime Coral City (German: PSI-Aura der maritimen Korallenstadt) is the city's defining feature and its reason for existence. It is a vast psionic energy field generated by the coral structure's organic systems, functioning as:

A Planetary Consciousness

The PSI-Aura is not merely a field of energy -- it is a form of consciousness. It preserves the mental echoes of individuals who have merged with it across the centuries, creating a layered repository of memory and identity. Known PSI echoes within the aura include:

  • Mar-Estos -- The former identity of Llewellyn 709, whose consciousness was encountered by Lyda Mar and Damon Credock during their first entry into the coral city (Booklet 042) and again by Llewellyn himself during his return (Booklet 061).
  • Damon Credock -- After his death during the staged prison break from the Kaiser Secret Station (Booklet 044), Credock's echo persisted within the PSI-Aura, allowing Lyda Mar to connect with him when she re-entered the city (Booklet 061).
  • The Silver Ones -- Entities encountered within a symbolic reality inside the PSI-Aura during the War of Minds (Booklet 063).

The amorphous being known as Zwölf has been used to sense and interact with the PSI-Aura of the coral city.

A Node in the PSI-Net

The Maritime Coral City's PSI-Aura is part of the larger PSI-Net, a system-spanning psionic network that connects Sarym to Arioch, other bodies in the Norvo System, and potentially the broader galaxy through the legacy of the Buds of the Tree. The coral city on Arioch -- the Coral City of Arioch -- is a related structure whose underground corridors reminded Ennerk Prime of the Maritime Coral City (Booklet 062). A second coral city on Sarym's South Continent, designated Coral City 2, also exists as part of this network.

A Seat of Oracle Power

After the events of Booklet 063, Lyda Mar and her daughter Aura Damona Mar merged with the PSI-Aura and took up permanent residence within the Maritime Coral City. They serve as its PSI-Operateure (PSI-Operators) -- living conduits who maintain, interpret, and channel the bio-psionic energy of the aura. From the coral city, Lyda functions as an Oracle, communicating telepathically with the Driver Council on Sarym and providing guidance during crises. Aura Damona Mar, whose abilities exceed even her mother's, can cultivate living spaceships (Storm-sailers), interface with Collectors, and influence events across enormous distances from within the aura.

Defensive Capabilities

The PSI-Aura can project defensive force on a planetary and even system-wide scale:

  • It disabled all spacecraft approaching Sarym during the events of Booklet 061, causing both the CYGNI and a Gray Guard vessel to crash on Arioch
  • It neutralized the Super-Drivers -- beings of immense artificially amplified psionic power -- rendering them powerless
  • It killed Dor Masali, a cyborg immune to conventional PSI manipulation, when he attacked with fusion bombs
  • It killed Expert Mira during Valdec's attempts to force a psionic connection
  • When Lyda and Aura Damona channeled the aura's power, they were able to turn a Kaiser Force ship's own destructive energy back against Max von Valdec

The PSI-Aura contains zones of destruction and can distinguish between hostile and benign presences, responding to threats with escalating force.


History

Creation by the Buds of the Tree (Ancient Era)

The Maritime Coral City was built by the Buds of the Tree, an ancient race of plant intelligences who reshaped the ecology of the Norvo System and created the coral cities as nodes in their bio-psionic network. The Buds of the Tree also created the Hall of Eternity on Sarym/Equilibrium, which houses the Manipulator -- a plant mesh that controls the Modificators and monitors the PSI-network. The Maritime Coral City is thus part of a vast, ancient infrastructure designed to maintain bio-psionic equilibrium across the star system.

The coral cities are not merely structures but living bio-psionic engines, each contributing to the PSI-Net that links planets, regulates ecological processes, and preserves consciousness across millennia.

The Legend of the Coral City (c. 2500)

When the Terranauts were exiled to Sarym in Booklet 041, the native Surinen spoke of the coral city as a legendary ruin on the southern continent -- a place associated with the mysterious disappearances of their people. The skeptic Orrogan Gelot challenged the Terranauts to investigate the legend of the coral city before the Surinen would agree to help them contact the returning courier ship. This challenge set the Terranauts on the path to the Maritime Coral City and the discoveries that would reshape the saga (Booklet 041).

First Terranaut Contact (c. 2501 -- Booklet 042)

The first human exploration of the Maritime Coral City occurred when Lyda Mar, Damon Credock, and Ennerk Prime journeyed across the ocean using Water-lily Jellyfish. Their arrival at the coral city marked a turning point in the saga:

  1. Lyda Mar became a true Mediator by connecting with the Water-lily Jellyfish during the ocean crossing
  2. Lyda and Credock used Dream-hooks to synchronize their minds with the ancient presence dwelling within the coral city
  3. During this psionic merging, Aura Damona Mar was conceived -- not merely biologically, but within the PSI-Aura itself
  4. They encountered the consciousness of Mar-Estos, the former identity of Llewellyn 709, revealing a history of PSI-experiments conducted by Hermano Lotz at the secret Gray station on Sarym
  5. The Maritime Coral City collapsed around them, and Ennerk Prime rescued them before they were killed

This encounter established the Maritime Coral City as far more than a ruin: it was a living intelligence, a psionic archive, and a crucible of transformation.

The Kaiser Secret Station and Surveillance (c. 2501 -- Booklets 042-044)

Unknown to the Terranauts during their first visit, Hermano Lotz -- commander of the Kaiser Secret Station on Sarym's South Continent -- was monitoring their progress toward the Maritime Coral City through surveillance technology, including a robot spy disguised as a bird. Lotz's station, located off the coast of the South Continent, operated in proximity to the coral city, and his earlier PSI-experiments on Mar-Estos (which contributed to Mar-Estos's transformation into Llewellyn 709) were connected to the city's PSI-Aura.

Lotz's research station later became the Underwater Research Base from which Max von Valdec launched his campaigns to control the coral city's PSI-Aura (Booklets 061-063).

Queen Yazmin's Expedition (2503 -- Booklet 061)

After Valdec established himself on Sarym following his exile from Earth, he directed Queen Yazmin and Expert Mira to explore the Maritime Coral City and gain access to its lower levels for his research into controlling the PSI-Aura. This expedition proved disastrous:

  • Yazmin's team used force to breach a wall, triggering defensive mechanisms
  • Dream-hooks swarmed the intruders, and corridors contracted, crushing and trapping guards
  • Yazmin detonated explosives to create a new entrance, but Dream-hooks attacked again
  • Most of the team was killed or incapacitated
  • Expert Mira served as scientific advisor, but the city's defenses exceeded all predictions

The failed expedition demonstrated that the Maritime Coral City could not be conquered through brute force.

The PSI-Aura Disables Ships (2503 -- Booklet 061)

When Yazmin reported the arrival of the CYGNI -- carrying David terGorden, Lyda Mar, and Llewellyn 709 -- and launched Gray forces to intercept, the Maritime Coral City's PSI-Aura responded by creating an energy field that disabled all ships in orbit, causing both the CYGNI and the Gray vessel to crash on Arioch. This demonstration of system-level defensive power revealed the PSI-Aura's capacity to project force far beyond the coral city's physical boundaries.

Lyda and Llewellyn's Return (2503 -- Booklet 061)

After crash-landing on Sarym, Lyda Mar and Llewellyn 709 stole a Gray combat glider and flew to the Maritime Coral City. Inside, they experienced the PSI-Aura directly:

  • Llewellyn encountered an echo of his past self, Mar-Estos -- one of the saga's most emotionally charged moments, the Riemenmann confronting the man he used to be
  • Lyda connected with Damon Credock's lingering presence and with her unborn daughter Aura Damona Mar
  • They learned of the "panic program" within the aura -- an ancient defensive directive triggered by the approaching Große Ebbe

Valdec's Assault with Super-Drivers (2503 -- Booklet 061)

Max von Valdec attempted to use the Super-Drivers Prometheus 107, Isis 31, and Phoenix 34, along with the captive David terGorden, to force an entrance into the Maritime Coral City and seize control of its PSI-Aura. The operation partially succeeded -- they breached the city's defenses -- but the PSI-Aura fought back:
  • The Super-Drivers were neutralized by the aura's overwhelming psionic force
  • Valdec fled as the underwater base self-destructed
  • The PSI-Aura demonstrated that it was far more powerful than any artificially enhanced psionic being

The War of Minds (2503 -- Booklet 063)

The climactic battle for the Maritime Coral City -- the War of Minds (Krieg der Geister) -- represents one of the saga's most dramatic sequences:

  1. Valdec forced David terGorden's mind to open a connection to the PSI-Aura, but the aura fought back, killing Expert Mira
  2. The PSI-Aura empowered Prometheus 107 with psionic energy far beyond the Alpha-Order program's design, simultaneously severing Valdec's control over him
  3. Prometheus broke free and pursued his own ambition to dominate the PSI-Aura, capturing Llewellyn 709 and Lyda Mar
  4. Dor Masali piloted a Ringo loaded with fusion bombs toward the coral city, attempting to destroy it and the rogue Super-Drivers within. The PSI-Aura killed Masali before the bombs could detonate
  5. Within a symbolic reality inside the PSI-Aura, the Terranauts were enslaved by the Silver Ones, while Prometheus and his Super-Drivers hunted them
  6. Lyda Mar, aided by Aura Damona Mar, used her Mediator powers to transport the Terranauts and Super-Drivers to the heart of the PSI-Aura, where the Super-Drivers were annihilated -- Prometheus 107, Phoenix 34, and their companions destroyed by the ancient intelligence
  7. When Valdec ordered a Kaiser Force ship to bombard the coral city, Lyda and Aura Damona turned the ship's power against Valdec, causing a Kaiser Force shockwave absorbed by the petrified Modificators
  8. Valdec escaped, but his campaign to control the PSI-Aura ended in total defeat

The Oracle Period (2503 onward)

Following the War of Minds, Lyda Mar and Aura Damona Mar remained in the Maritime Coral City, merging with the PSI-Aura to serve as its living guardians and Oracles. In this role:

  • Lyda is described as "a former Terranaut living in the PSI-aura of the maritime coral city" and "an oracle living in the PSI-Aura of the maritime coral city" (Booklets 070, 083)
  • She intervenes telepathically during crises affecting Sarym, including warning David terGorden when he was in danger of being lost in his own subconscious (Booklet 070)
  • Aura Damona Mar cultivated a Storm-sailer -- a living spaceship -- for David and Mandorla to use on their journey to Adzharis and Earth (Booklet 072)
  • The coral city steers the psionic center of the aura (Booklet 070), maintaining the bio-psionic equilibrium of the Norvo System
  • During the Cosmic Spores crisis (Booklet 083), Lyda warned of the impending sealing-off of the Norvo System and helped rescue David terGorden
  • Aura Damona partially awakened a sleeping Collector -- a giant organic spaceship of the Buds of the Tree -- to reverse the sealing-off process initiated by the ancient Modification Submatrix

The Große Ebbe (Great Ebb)

The Große Ebbe (Great Ebb) is a rare tidal phenomenon on Sarym in which the ocean recedes dramatically, fully exposing the Maritime Coral City. This event triggers the PSI-Aura's panic program, releasing massive swarms of Dream-hooks programmed to spread chaos across the planet. The Große Ebbe serves as both a natural phenomenon and a bio-psionic alarm system -- a mechanism by which the coral city responds to the vulnerability of its exposed state by unleashing its most aggressive defenses (Booklet 061).


The Kaiser Secret Station

The Kaiser Secret Station (German: Kaiser-Geheimstation), later known as the Underwater Research Base, was a covert Kaiser Corporation facility located off the coast of Sarym's South Continent, in operational proximity to the Maritime Coral City. Commanded by Hermano Lotz with his cyborg assistant Dor Masali, the station served as:

  • The breeding ground for the Alpha-Order super-Driver program, producing genetically engineered psionic weapons including Prometheus 93, Isis 24, Phonix 17, Prometheus 107, Isis 31, and Phoenix 34
  • A surveillance and intelligence-gathering base, monitoring the Terranauts' movements toward the Maritime Coral City through robotic floating islands, armored lizard-robots, and robot bird spies
  • A psycho-interrogation facility, using Psycho-hood virtual reality devices to extract information from captured Terranauts
  • The site where Thingstones from Stonehenge II were used in forced mutation experiments to amplify captive Drivers' PSI abilities
  • The origin point of the Hate Plague, the biological weapon engineered by Lotz (under Prometheus 93's covert telepathic manipulation) and deployed through a staged prison break
  • Valdec's base of operations during the campaigns to control the Maritime Coral City's PSI-Aura (Booklets 061-063)

The station's proximity to the Maritime Coral City was not coincidental. The PSI-Aura's influence on the surrounding environment created the unique psionic conditions that made the Alpha-Order breeding program possible, while also posing an ever-present threat to the station's operations.


Key Personnel and Inhabitants

Current Inhabitants

PersonRoleStatus
Lyda MarOracle and PSI-Operator of the Maritime Coral CityActive -- dwelling within the PSI-Aura
Aura Damona MarOracle and PSI-Operator; bio-psionic MediatorActive -- dwelling within the PSI-Aura

PSI Echoes within the Aura

ConsciousnessIdentityEncountered In
Mar-EstosFormer identity of Llewellyn 709; victim of Lotz's PSI-experimentsBooklets 042, 061
Damon CredockSurine Mediator; father of Aura Damona Mar; killed during staged prison breakBooklets 061, 063
The Silver OnesEntities within the symbolic reality of the PSI-AuraBooklet 063

Personnel at the Kaiser Secret Station (Historical)

PersonRoleFate
Hermano LotzStation Commander; director of the Alpha-Order programFate unknown after Booklet 063
Dor MasaliCyborg assistant; PSI-immune security operativeKilled by the PSI-Aura during fusion bomb attack (Booklet 063)
Queen YazminMilitary commander; led expeditions into the coral cityRose to Reichscosmoral during the Second Reich
Expert MiraScientific consultant on the coral city's natureKilled by the PSI-Aura during the War of Minds (Booklet 063)

Super-Drivers Created at the Station

CloneSeriesFate
Prometheus 93Prometheus (1st gen)Manipulated Lotz; fate unknown
Isis 24Isis (1st gen)Collaborated with fellow test subjects; fate unknown
Phonix 17Phoenix (1st gen)Collaborated with fellow test subjects; fate unknown
Prometheus 107Prometheus (2nd gen)Destroyed within the PSI-Aura (Booklet 063)
Isis 31Isis (2nd gen)Survived; longest-serving Super-Driver (through Booklet 097)
Phoenix 34Phoenix (2nd gen)Destroyed within the PSI-Aura (Booklet 063)

Relationship to Other Coral Cities

The Maritime Coral City is the most significant but not the only coral structure in the Norvo System. The Buds of the Tree created multiple coral cities as nodes in their PSI-Net:

Coral CityLocationDescription
Maritime Coral CityOcean, SarymThe primary PSI-Aura generator; seat of the Oracle
Coral CitySouth Continent, SarymA ruined city on the southern continent, described as legendary among the Surinen
Coral City 2South Continent, SarymA second coral city, described as "a destination on the South Continent"
Coral City of AriochAriochAn underground coral city with breathable atmosphere; its corridors reminded Ennerk Prime of the Maritime Coral City

The existence of coral cities on both Sarym and Arioch confirms that the Buds of the Tree's bio-psionic infrastructure spans the entire double-planet system, with the PSI-Net connecting all nodes into a unified network.


Key Events Timeline

DateEventIssue
AncientThe Buds of the Tree construct the Maritime Coral City as part of the Norvo System's bio-psionic infrastructurePre-saga
c. 2500The Surinen speak of the coral city as a legendary ruin associated with disappearances; Orrogan Gelot challenges the Terranauts to investigate it#041
c. 2501Lyda Mar, Damon Credock, and Ennerk Prime reach the Maritime Coral City; Lyda becomes a Mediator; Aura Damona Mar conceived; consciousness of Mar-Estos encountered; city collapses around them#042
c. 2501Hermano Lotz monitors the Terranauts' journey to the coral city from the Kaiser Secret Station; his earlier PSI-experiments on Mar-Estos are revealed#042
c. 2501Terranauts captured at the nearby Kaiser Secret Station; subjected to psycho-interrogation; infected with the Hate Plague; Damon Credock killed during staged prison break#043, #044
2503Queen Yazmin and Expert Mira attempt to explore the coral city's lower levels; repelled with heavy casualties#061
2503The PSI-Aura disables ships approaching Sarym, causing the CYGNI and a Gray vessel to crash on Arioch#061
2503Lyda Mar and Llewellyn 709 re-enter the coral city; encounter PSI echoes of Mar-Estos and Damon Credock; discover the "panic program"#061
2503Valdec deploys Prometheus 107, Isis 31, Phoenix 34, and the captive David terGorden to breach the coral city; the PSI-Aura neutralizes the Super-Drivers#061
2503Survivors from the CYGNI discover a coral city on Arioch with breathable atmosphere and PSI-Aura#062
2503The War of Minds: Prometheus 107 breaks free; Dor Masali killed attempting fusion bomb attack; Super-Drivers destroyed within the PSI-Aura; Lyda and Aura Damona Mar turn Kaiser Force against Valdec; Lyda and Aura Damona remain as Oracles#063
2503Lyda Mar intervenes from the coral city to protect David terGorden from psychic collapse caused by the Silent Drivers#070
2503David terGorden enters the PSI-Aura and meets Aura Damona Mar; she cultivates a Storm-sailer for his journey#072
2504During the Cosmic Spores crisis, Lyda Mar warns of the Norvo System sealing off; Aura Damona Mar partially awakens a Collector from within the PSI-Aura#083

Significance

The Maritime Coral City occupies a unique position in the saga of Die Terranauten. It is the place where the saga's deepest transformations occur -- where ordinary humans become something more, where the dead are not entirely gone, and where the ancient intelligence of the Buds of the Tree persists in coral and dream and light.

A Nexus of Transformation

Every major character who enters the Maritime Coral City is changed by the experience:

  • Lyda Mar enters as a reluctant exile and emerges as a true Mediator, then returns to become the Oracle of the PSI-Aura
  • Damon Credock merges his consciousness with Lyda's within the city, conceiving Aura Damona Mar and leaving a permanent echo of himself in the aura after his death
  • Llewellyn 709 confronts his former identity, Mar-Estos, preserved like an archaeological stratum within the coral -- a meeting between the weapon and the man it used to be
  • David terGorden enters the PSI-Aura to commune with Aura Damona Mar and receives guidance for his mission
  • Prometheus 107 is simultaneously empowered and destroyed by the aura -- briefly achieving a freedom his creators never intended, then annihilated when he reaches too far

The Failure of Force

The Maritime Coral City is the place where every attempt to control through violence fails. Yazmin's explosives trigger defenses that kill her team. Valdec's Super-Drivers are neutralized by the very power they seek to seize. Masali's fusion bombs never detonate. Kaiser Force itself is turned back against its wielder. The coral city embodies the saga's central argument that the ancient, organic, and living cannot be conquered by the technological, mechanical, and imposed.

Bridge Between Eras

As a creation of the Buds of the Tree -- one of the saga's most ancient civilizations -- the Maritime Coral City connects the present-day struggle of the Terranauts to the deep history of the cosmos. The PSI-Aura preserves consciousness across centuries, allowing the living to encounter the dead and the past to inform the future. In this sense, the coral city is not merely a location but a temporal bridge, linking the saga's human characters to the primordial plant intelligences who shaped the galaxy's bio-psionic systems.


See Also

  • Sarym -- The planet on which the Maritime Coral City is located
  • PSI-Aura -- The psionic energy field generated by and centered on the coral city
  • PSI-Net -- The system-spanning psionic network to which the coral city connects
  • Buds of the Tree -- The ancient plant intelligences who built the coral city
  • Lyda Mar -- Oracle and PSI-Operator of the Maritime Coral City
  • Aura Damona Mar -- Oracle and PSI-Operator; daughter conceived within the PSI-Aura
  • Damon Credock -- Mediator whose consciousness echoes within the PSI-Aura
  • Mar-Estos -- Former identity of Llewellyn 709; PSI echo preserved in the coral city
  • Llewellyn 709 -- Riemenmann who encountered his former self within the coral city
  • David terGorden -- Terranaut who communed with Aura Damona Mar within the PSI-Aura
  • Dream-hooks -- Dragonfly-like parasites born in the coral city; the city's primary biological defense
  • Große Ebbe -- The Great Ebb; rare tidal event that exposes the coral city and triggers the panic program
  • Pflanzengeflecht -- Fluorescent plant network covering the coral city's walls
  • Deltakorridor -- A named corridor within the coral city
  • Zwölf -- An amorphous being used to sense the PSI-Aura
  • Water-lily Jellyfish -- Organic living boats used to cross the ocean to the coral city
  • Alpha-Order -- The super-Driver breeding program conducted near the coral city
  • Kaiser Secret Station -- The covert Kaiser Corporation facility proximate to the coral city
  • Underwater Research Base -- Valdec's base of operations during the campaigns against the coral city
  • Hermano Lotz -- Station Commander of the Kaiser Secret Station
  • Dor Masali -- Cyborg assistant killed by the PSI-Aura
  • Queen Yazmin -- Military commander who led failed expeditions into the coral city
  • Expert Mira -- Scientific consultant killed by the PSI-Aura
  • Super-Drivers -- Genetically engineered weapons destroyed within the PSI-Aura
  • Prometheus -- The genetic line whose most powerful clone was destroyed in the coral city
  • Isis 31 -- Super-Driver deployed against the coral city
  • Phoenix 34 -- Super-Driver destroyed within the PSI-Aura
  • Killer Block -- Mental conditioning of the Super-Drivers who assaulted the coral city
  • Thingstones -- PSI-active crystals used in experiments at the nearby Kaiser Secret Station
  • Max von Valdec -- Antagonist who attempted to control the PSI-Aura
  • Hate Plague -- Biological weapon developed at the Kaiser Secret Station near the coral city
  • Norvo System -- Star system containing Sarym and the coral city
  • Arioch -- Sarym's twin planet, which also contains a coral city
  • Coral City of Arioch -- Related coral structure on Arioch
  • Modificators -- Plant-like structures whose petrified forms absorbed the Kaiser Force shockwave
  • Collectors -- Giant organic spaceships of the Buds of the Tree, awakened from the PSI-Aura
  • Storm-sailers -- Living spaceships cultivated by Aura Damona Mar
  • Mediator -- Individuals who can interface with the bio-psionic systems centered on the coral city
  • Bio-PSI -- The psionic system unique to Sarym's ecology, channeled through the coral city
  • Silver Ones -- Entities encountered within the symbolic reality of the PSI-Aura
  • Surinen -- Native inhabitants of Sarym who revere the coral city as legendary
  • Driver Council -- Governing body that consults the Oracle within the coral city
  • Neu-Thule -- Central administration of Sarym, in communication with the Oracle

The Maritime Coral City is referenced in at least 9 booklets and across more than 50 enriched wiki pages of the Encyclopedia Galactica. It is the bio-psionic heart of Sarym, the seat of the Oracle, the burial ground of the Super-Drivers, and the living monument of the Buds of the Tree -- an ancient intelligence preserved in coral, dream-hooks, and fluorescent light, older than human civilization and more powerful than anything humanity has built to challenge it.