Exodus: The Archimedes Engine

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The Archimedes Engine is a 2024 science fiction book by Peter F. Hamilton that establishes lore for an unreleased video game by Archetype Entertainment called Exodus. It is followed by the sequel Exodus: The Helium Sea (2026).

Stats

Details

People

Aljan
(c15) A son of Terence and brother to Vanilda.
Annabeth
(c?) Medic and girlfriend of Terence. (c7) Dumps Terence due to his long work hours.
Asahi-Iryna
(c25) The archon assigned by Ualana-Shoigu to replace archon Makaio-Faraji.
Avone-Valerio, General
(c28) Imperial Knight assigned by Queen Helena-Thyra to take over Gondiar in retribution for the assassination of Makaio-Faraji. (c29) A missile strike from their forces kills the marchioness after Imperial ghosts are shot by a sniper while en route to capture Otylia.
Bekket
(c4) A first life male partner of Helena-Chione and sire of Thyra.
Bensath, Sergeant
(c18) A mercenary hired by Gyvoy for raiding a Celestial compound on Kajval. (c22) A mercenary hired by Gyvoy for raiding a factory on Kingsnest.
Clavissa
(c8) One of the congregant daughters of Helena-Chione. Ambushes Thyra with other daughters but fails. (c15) Daughter of Jolav-Dabny. Injured by a bloodlien and rescued by congregant daughter Thyra during their Second Trial. (c30) Agrees to spy on Helena-Thyra for her father, Jolav-Dabny, and his friend, Gahiji-Calder.
Colvin
(c7) A Stanvar8 gang member who Terance interrogates for information on Dagon. Mysteriously self-immolates during an interrogation.
Dagon
(c7) A focus of Terenceʼs investigations into the Q-I-X movement. Linked to the death of Younes and Colvin.
Delfina
(c15) Daughter of Ualana-Lyon. Dies during the Second Trial.
Dushan
(c16) Son (?) of Otylia and Josias. Sibling of Laurella.
Eleanor
(a.k.a. “Ellie”) A human stranded on Anoosha when their spacecraft crashes. Helps Finn after he lands in a tree.
Elohim
(c1) An ancient starfaring people who terraformed many planets and constructed the Gates of Heaven. Presumably control the course of Dolod via its Archimedes Engine.
Eulaie
(c31) A congregant daughter of Helena-Thyra who eliminated two other congregant daughters in First Trial.
Faraji
(c1) A curious young boy destined to host Makaio‑Yalbo’s mindline. See Makaio-Faraji.
Finn
(c1) A Uranic human capable of manipulating livestone. Thrown from a plane above the Camurdy Mountains on Anoosha. Rescued by Ellie and Josias.
Gahiji-Calder
(c2) Chief archon of Wynid for Helena-Chione. (c23) Queen Helena-Thyra replaces Gahiji-Calder with Ualana-Shoigu as chief archon. (c25) Conspires with Jolav-Dabny and Makaio-Faraji to investigate anomalous behavior of Ualana-Shoigu and Queen Helena-Thyra.
Gyvoy
(c6) A traveler of the Enfoe Traveler Dynasty whom Finn knows. (c18) Accompanies Finn to the Hoa Quinzu in order to retrieve a Celestial dropship for descending into Dolod's atmosphere when it arrives at Kelowan. (c?) Accompanies Finn to retrieve the Archimedes Engine operating system from Kingsnest. (c30) Terence finds the real Gyvoyʼs corpse enclosed within livestone in the Stanvar8's Dark Paradise club, indicating the Gyvoy accompanying Finn on the Diligent is a imposter. (c34) Retrieves a large quantity of antimatter from an Archimedes Engine engine station of Dolod and loads it onto Arcadiaʼs Moon.
Helena-Chione
(c4) Gives birth to only a single daughter: Thyra. (c21) Is dominated by Thyra with neural weaponry. Gives up her memories to Thyra who becomes Helena-Thyra. Dies.
Helena-Thyra
See Thyra.
Iuntin-Detlef
(c20) Senior representative of the Guillrameo family. Murders Ualana-Lyon.
Jimena
(c7) A forensics technician who assists Terenceʼs investigation of Younesʼs murder.
Jolav-Dabny
(c15) Father of Clavissa who was wounded during the Second Trial and saved by Thyra. Consoles Ualana-Lyon following their loss of Delfina (c25) Conspires with Gahiji-Calder and Makaio-Faraji to investigate anomalous behavior of Ualana-Shoigu and Queen Helena-Thyra.
Josias Aponi
(c1) A human stranded on Anoosha when their spacecraft crashes. Helps Finn. (c3) Leader of the arkship Diligent and its human refugees who arrived at the Kelowan system from the Sol system asteroid Eunomia.
Laurella
(c16) Daughter of Otylia and Josias. Sister of Dushan.
Liliana
(c1) Throws Finn out an airplane above the Camurdy Mountains of Anoosha. (c2) Captures Finn as a Quinitai family double-agent in order to maintain Anooshaʼs government. (c17) Murders Marcellu. (c20) Helps Iuntin-Detlef murder Ualana-Lyon. (c29) Helps convince Josias to become a figurehead for human liberation on Gondiar. (c34) Helps Gyvoy secure anti-matter aboard Arcadiaʼs Moon.
Luus-Marcela, Queen
(c2) Queen of Bassa of the Crown Dominion.
Makaio‑Yalbo
(c1) A Celestial Archon of the Wynid Royal House overseeing the Crown Dominion’s interests. (c10) Accepts the suggestion of his supervisor, Wynidʼs chief archon, Gahiji-Laurent, to move his mindline on, becoming Makaio-Faraji.
Makaio-Faraji
(c10) A Celestial Archon who inherits Makaio-Yalboʼs mindline. (c27) Is assassinated by a concluder at the Roundhouse Mansion on Gondiar while speaking with Terence. (c25) Has sons Neusch and Soltz.
Malquilvo-Beaumont, Lord
(c15) Accuses Thyra of murdering his daughter Valeri and Ualana-Lyonʼs daughter Delfina during the Second Trial. Helena-Chione immediately executes him upon reading Thyraʼs memories and finding no evidence of foul play.
Marchioness
(c0; a.k.a. Mary Kathleen Jalgori-Tobu) 43rd Marchioness of Santa Rosa. Finnʼs mother. (c6) Approves the sale of Finnʼs Hafnir to Josias and his people. (c29) Killed in a missile strike during General Avoneʼs takeover of Gondiar.
Medusa
(c?) Subordinate of Marcellu. (c?) Recruited by archon Sahdin (?) after Marcellu is assassinated. (c?) Captured by Terence after bombing near High Rosa. (c?) Hidden from Avone by Terence as coma patient in Santa Rosa hospice.
Moaksha
(c3) A race engineered as biological memory storage. Have bodies resembling centaurs with 5 lower limbs and a humanoid torso and arms at the front. Produce the chemical rekaul which is valued for its ability to enhance memories when consumed.
Neusch
(c?) Son of Makaio-Faraji. (c?) Does not receive Makaio's mind line due to Makaio's assassination on Gondiar. (c30) Is in cahoots with Jolav-Dabny and Gahiji-Calder and present on the Kelowan system. Is assigned to assist Clavissa if she requires help while spying on Thyra.
Olomo
(c1) An Archon of the Heresy Dominion who secretly informs Makaio‑Yalbo about the existence of Dolod and its trajectory towards Kelowan.
Otylia
(c1) Finn’s twin sister who practiced sculpting livestone with him during childhood. (c12) Turns Okkwell Manor into a Gath sanctuary. Finn takes her suggestion to use Gath labor to maintain the Diligent after most of the human crew settle on Hafnir.
Oujanya
(c21) Princess congregant for Helena-Chione. (c23) Mentally dominated by Helena-Thyra into changing her career track from economics student to Navy officer. (c30) Accompanies Helena-Thyra as she leads the unified Imperial Navy.
Pablo
(c12) A Gath who Otylia takes in after being beaten by their employes for not participating in a cage fight. (c33) Hears Ellie scream while working on plumbing on the Diligent. Causes Ellie to question her own memory.
Radwarno-Werkas
(c33) Commander of Empress Carolienʼs Twenty-Third Squadron assigned to escort Queen Helena-Thyraʼs Royal Fleet.
Serrilda-Kroja, Admiral
(c31) An admiral who accompanies Helena-Thyra on the Dracaenae as she leads her Royal Fleet fleet from Wynid to Kelowan.
Soltz
(c25) A son of Makaio-Faraji and brother to Neusch.
Stanvar8
(c?) A criminal organization of Santa Rosa. (c?) Gutted after Terence forced by the governor of Gondiar to divulge all his archon intelligence network which includes sources within Stanvar8 following the bombing near High Rosa. (c30) Terence explores the dead organization's headquarters near the Dark Paradise club of the Haywood Block on Oldmixon Avenue in Santa Rosa.
Stethos-Remi
Court datamaster for Helena-Thyra who accompanies her on the Dracaenae as she leads her Royal Fleet from Wynid to Kelowan.
Terence Wilson-Fletcher
(c5) A Santa Rosa probationary constable. Recruited by archon agent Lenertz Mo, who is also his supervisor, to gather intelligence outside of law enforcement channels on the Q-I-X (Queen in Exile) movement which seeks to depose Queen Zuberi-Dulcina from power in the Kelowan system. (c7) Investigates an off-worlder named Dagon resulting in mysterious deaths of Stanvar8 gang members Younes and Colvin. (c27) Witnesses Makaio-Farajiʼs assassination by a concluder and receives the dying archonʼs personality as a rider.
Thyra
(c4) Daughter of Helena-Chione and Bekket. (c15) Is accused by Lord Malquilvo-Beaumont of murdering congregant daughters Valeri and Delfina during the Second Trial. Privately recounts to her father, Bekket, how she turned bloodliens against Valeri, Delfina, and Clavissa during the Second Trial with her neural weaponry. (c21) Forcibly succeeds Helena-Chione with a neural weapon while they are alone in a steam room, becoming Helena-Thyra. (c23) replaces Gahiji-Calder with Ualana-Shoigu as chief archon.
Toše
(c14) Murders Tabia with a concluder. (c29) Helps convince Josias to become a figurehead for human liberation movement on Gondiar.
Valeri
(c15) Daughter of Lord Malquilvo-Beaumont. Killed during the Second Trial.
Vanilda
(c19) Terence's daughter with Jimena and sister to Aljan. (c24) Confronts Terence about her support of the human liberation movement of Gondiar. (c30) Rejects fleeing Gondiar with Otylia in order to accompany her father, Terence, as he covertly pursues Liliana and Tose. Accompanies Terence and Jimena as they investigate Stanvar8's Dark Paradise for clues about Liliana, Tose, and the faction they support.
Younes
(c7) Murdered in connection with Terenceʼs investigation of Dagon.
Zuberi-Dulcina, Queen
(c2) The Queen of Kelowan who attempted the subvert the Imperial Celestials with neural weaponry and an evolution dogma. Defeated by the other five queens of the Crown Dominion seven thousand years ago who carved up the Kelowan system and executed Zuberiʼs family. The Accords among the Queens of the Crown Dominion were made following her execution. (c30) Led an evolution project opposed by the Crown Dominion.

Places

Anoosha
(c1) A planet within the Poseidon Nebula where Finn is dropped from a plane above its southern hemisphere. The planet hosts humans who mine ores and minerals. Governed by Queen Carolien of Verakʼs Grand Families. (c30) Destination of Otylia and Zelinda as they flee Gondiar aboard the Polkadav.
Biniji
(c15) A terraformed Eden moon of gas giant Golwaki in the Wynid system. Location of the Second Trial where Thyra competes.
Boksrock
(c32) The innermost world of the Kelowan system.
Cherag Harbor
(c31) An anchor asteroid atop the Lyonesse orbital tower on Lidon, Malakbel.
de Verya
(c18) A gas giant in the Hoa Quinzu system where a Mara Yama fleet is refueling at that Finn and company notice while visiting Kajval.
Eunomia
(c3) A Sol system asteroid where the Diligent was built and loaded.
Gondiar
(c3) A solid giant low-density world with four times the surface area as Earth. Covered 45 percent by ocean. Population: 2 billion; demographics: mostly human, negligible Celestials. Finn owns 20 000 km2 uninhabited land here which he promises to Josiah in exchange for the arkship Diligent. Gondiar produces agricultural products to feed to the planet Kelowan.
Hafnir
(c3) Undeveloped coastal land on Gondiar owned by Finn. Finn offers the land in exchange for the arkship Diligent. (c6) With some negotiating by Josias, Finnʼs mother, the marchioness, approves the transaction.
HeSea
(c1) A half–light-year diameter helium‑3 cloud within the Pillar of Zeus Nebula. Created long ago after a macroplanet composed of helium-3 mysteriously underwent a mini-nova.
Hoa Quinzu
(c18) A system of the Ratarajan Dominion, home of the reclusive Ratarajan Celestials. Contains three habitable planets. One planet, Kajval, is the destination for Finn and Gyvoy for securing a Celestial dropship. Contains a Mara Yama fleet refueling at the gas giant de Verya.
JK67b
(c1) A star system of the Gomatu Celstials undergoing a Dyson sphere megastructure construction. Was the destination of Dolod until it changed course 7 000 years ago for the Kelowan star system instead.
Kajval
(c18) A world in the Hoa Quinzu system wrecked by a Crystal Gun. Finn, Gyvoy, Ellie, and company retrieve a Celestial dropship but suffer heavy losses due to saberstones.
Kelowan, system
(c1) A star system that is the capital of the Crown Dominion. Current destination for the iron exotic Dolod. (c3) The arrival location of the Diligent and its refugees from Sol led by Josias Aponi. (c31) Has a gas giant named Lapetiie 8.7 AU away from the systemʼs star.
Kelowan, planet
(c2) A planet in the Kelowan system that hosts the capital of the Crown Dominion. (c3) Hosts estates of Grand Families. Imports food produced and exported from Gondiar rather than maintain a polluting agricultural industry.
Lapetiie
(c31) A gas giant 8.7 AU from Kelowanʼs star.
Lidon
(c2) A human-controlled planet in the Malakbel system. A destination Finn considers to travel to after leaving Gondiar.
Malakbel
(c11) A white dwarf system. Its only habitable planet is Lidon. The star collapsed during the Formation War. Plasma streams from the unstable star and the surrounding planetary nebula occlude most space ship activity. Marcellu meets Sahdiah in an asteriod here.
Pana-Seok
(c17) A city located on top of Anooshaʼs orbital tower.
Pillar of Zeus
(c1) A nebula in the Centauri Cluster.
Poseidon Nebula
(c1) A nebula visible in the skies of Anoosha.
Roundhouse Mansion
(c27) Where Makaio-Faraji is assassinated by a concluder.
Tinaja
(c1) A star system connected to the Kelowan system via a Gate of Heaven.

Things

Aeacus
(c31) A ship on Gondiar Makaio-Faraji reserved for emergencies.
Arcadiaʼs Moon
(c11) A ship captained by Andino. Is a geodesic sphere of trusses. (c31) Spotted by Neuce at Cherag Harbor, Lidon, Malakbel, while Neuce backtracked Tošeʼs journey from Gondiar, Kelowan. Neuce noticed Arcadiaʼs Moon traveled back to Gondiar disguised as the Infinite Totality, arriving shortly before General Avone-Valerio.
Archimedes Engine
(c1) An Elohim device used to move planets.
Concluder
(c14) A remnant era rifle. (c24) Terence learns Zikar provided Toše with a sensor array for augmenting his concluder long-range sniping capabilities. (c27) A concluder sniper assassinates archon Makaio-Faraji at the Governorʼs Roundhouse Mansion on Gondiar.
Cybeleʼs Eagle
(c24) A ship bound for Lidon that Terence found Toše boarded three years ago. (c31) A ship Neuce believes Toše rode to Lidon.
Diligent
(c3) The arkship that carried Josias and his people from the Sol system to the Kelowan system.
Dracaenae
(c30) Imperial ship carrying Helena-Thyra as she leads her Royal Fleet.
Gansvoort
(c31) A ship Neuce believed Toše used to fly to Lidon from Kelowan. Terence believes Liliana negotiated with this ship.
Helium-3
(c1) A fusion fuel used in starships and fusion generators of the Centauri Cluster.
Infinite Totality
(c31) A disguise for the Arcadiaʼs Moon.
Nethrus
(c30) Imperial frigate selected by Helena-Thyra as fleet herald for her Royal Fleet.
Polkadav
(c30) Ship in the Kelowan system that carries Otylia and Zelinda from High Rosa, Gondiar to Pana-Seok, Anoosha.
saberstones
(c18) Round rolling machines resembling stones on Kajval that eat armor and flesh.
Starlightʼs Shore
(c30) An Enfoe Dynasty starship. A fast courier with limited cargo capacity.

Narrative

Chapters 0-9

Chapter summaries (c0-9)
Chapter Description Characters
c0 Introduction

40 000 years ago, humans created arkships and departed Earth. The initial arkships that arrived at the Centauri Cluster settled it and expanded into Celestial civilization. Subsequent arkships continue to arrive and their relatively primitive peoples are redirected towards protected irrelevant worlds.

1 POV Finn: Finn is bound and cast out from a plane above the Camurdy Mountains of the planet Anoosha. A rescue drone prevents a fatal landing. Ellie finds Finn and verifies he is human. Finn identifies as a Uranic human. Ellie cuts him down from a tree, performs first aid, then hobbles with him to her camp with Josias Aponi near their crashed lander. Hypothermic, Finn has Ellie drag him to a livestone outcrop which he shapes into a warm indoor habitat. Finn loses consciousness.

POV Makaio-Yalbo: Archon of the Now and Forever Queen of Wynid, Makaio-Yalbo and his future mindline vessel, Faraji, meet with Archon of the Heresy Dominion, Olomo. Olomo tells Makaio-Yalbo that his faction discovered an iron exotic gas giant traveling through the Poseidon Nebula. Olomo explains the iron exotic, presumably launched during the Remnant era by the Elohim, was originally traveling towards JK67b and the Gomatu Celstialsʼs Dyson sphere under construction there. Olomo says his faction has named the planet Dolod. However, 7 000 years ago, the gas giantʼs Archimedes Engine changed course near a brown dwarf of the Pillar of Zeus so the new destination is Kelowan, capital of the Crown Dominion. Makaio-Yalbo and Olomo speculate on the economic implications of harvesting cheap iron from Dolod and whether the Archimedes Engine stops the planet or not at Kelowan.

Finn, Ellie, Josiah, Makaio-Yalbo, Faraji, Olomo
2 POV Finn: Finn accepts a job to attack Quinitai politicians. Finn sleeps with Liliana, leader of the combat operation. Finn is trapped by xeefoam. Finn is released and finds Liliana was a double-agent for Quinitai security. Liliana chooses to banish Finn to a remote location instead of killing him.
3 Finn wakes up. Josiah explains his origins from the Sol system; Josiah is the leader of the arkship Diligent which had initially traveled in the opposite direction of the Centauri Cluster when they received the Green Worlds signal. Finn offers Josiah land on Gondiar for Diligent settlers to colonize in exchange for the Diligent itself. Finn, Josiah, and Ellie discover a Moaksha rekaul harvesting operation. They infiltrate the drug trafficker castle and liberate the Moaksha captives. They travel away in a skimmerfoil Finn captures.
4 Helena-Chione experiences an anomalous pregnancy of only a single egg, her daughter Thyra. Helena, Bekket
5 Constable Terence is recruited to a clandestine investigation of human rebels against Celestial power. Terence, Younes
6 Finn, Ellie, and Josias travel from Anoosha to Santa Rosa, Kelowan. Josias identifies Uramics was changelings, offending Finn. Terence escorts Finn and company to his mother's palace. Finn reünites with his twin, Otellia (?). Otellia brags about using Finn's money for changeling philanthropy. Finn presents Josias and Ellie to his mother. Josias reveals the Diligent, like all ark ships, uses an entropy drive. Josias offers to commercially develop Finn's la
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