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Prospero/Sortiarius Systems
Thousand Sons Flag.PNG

Sortiarius & Prospero

Official Languages

Low Gothic, High Gothic


Minor Power


1 System, 5 Known Planets

Head of State

Primarch Magnus the Red (Great Crusade)
Daemon Primarch Magnus the Red (Current Era)

Head of Government

Primarch Magnus the Red (Great Crusade)
Daemon Primarch Magnus the Red (Current Era)

Governmental Structure

Authoritarian Technocratic Magocracy

State Religion/Ideology

Imperial Truth, Prosperine Philosophies (Great Crusade)
Tzeentch Worship, Corrupted Prosperine Philosophies (Current Era)


Prosperine Humans and Psykers (Great Crusade)
Officially None (Horus Heresy)
Few Human Settlers, Looters & Archaeologists (41st Millennium)
Migrated Sortiarians (42nd Millennium)

Military Force

Thousand Sons, Prospero Spireguard

Prospero, before the Furries fucked everything up. (Don't worry, they got back at them later.)

Prospero was the world Magnus the Red landed on, and thus home to the Thousand Sons. Conveniently enough for the red cyclops, Prospero had become a haven for psykers like himself and had flourished into a full-fledged paradise world, covered in white marble spires and powered by techno-psychic energy arrays. After curtailing the activity of a race of dangerous psychic predators called the Psychneuein, Magnus was named the leader of the planet, at which point it had become a veritable library of lore about the Warp that supposedly could not be found anywhere else (about that...).

Unfortunately, he never realized how vulnerable the planet was to an attack from above. It was one of the most heavily defended planets of Imperium by the time--not because of some huge heavily fortified fortresses, but because Thousand Sons could predict when and where their enemy would arrive, and wipe them from existence even before they could enter realspace, and even if they somehow managed to bypass the perils of the Warp and the Thousand Sons' fleet, the capital (and actually only) city of Tizca were protected by the thickest telekine shields in the galaxy, capable of withstanding Exterminatus-level bombardment, and any planetfalling invaders were to face the fury of a legion-sized force of incredibly powerful sorcerers. Magnus was so sorry that he broke the Golden Throne that he tried to get rid of all of that.

It was destroyed by the Space Wolves early in the Horus Heresy in what is now called the Burning of Prospero, mostly because Magnus himself sabotaged almost all of the planet's defences, since he thought he deserved his punishment, and the sorcerers who defended the city were incapacitated by the Sisters of Silence and the returning of the Flesh Change. Following that event, the surviving Thousand Sons relocated to the Planet of the Sorcerers (also known as Sortiarius).

Shortly afterwards, the Khan visited Prospero to find out what happened there, and ended up having a duel with Mortarion.

In the 41st Millennium, Prospero is a blasted ruin, occasionally visited by Rogue Traders seeking artefacts and Ahriman moping over his failures. However, it got off better than Barbarus, Chemos, Colchis, Nostramo, Nuceria, and Cthonia, which were all completely destroyed.

Appropriately, it was named after Prospero, the sorcerer and protagonist of Shakespeare's play, The Tempest.

Wrath of Magnus & 42nd Millennium[edit]

Location of Prospero/Sortiarius.
Star chart of the Prospero System.

By the closing stages of the 41st Millennium, good old Magnymagick was feeling nostalgic for his old home and concoct a plan to send Sortiarius out of the Warp and orbit the Prospero System (Also known as the Forzare System). His plan? To devise a plot that would devastate his old nemesis' Space Furries home system of Fenris and use the sacrifices he would wrought as a summoning ritual to pull off a Malcador on Sortiarius. It worked. The devastation of the Fenris System was in Magnus' eye, a win-win situation in which he manage to kill two birds with one stone. With Sortiarius now next to Prospero, the Thousand Sons did the unthinkable and became the first Traitor Legion to reclaim their original homeworld.

Essentially, the Fenris System got fucked hard, as in REAL hard. As in Midguardia for example, one of the most important places for the Space Wolves was completely destroyed into chunks thanks in no part to Magnus and Mortarion double-teaming the furries (Don't worry, Magnus got back at Morty by blowing up the soon-to-be Plagueworld due to Morty still being a bigoted cock). The destruction of Midguardia caused solar flares and meteor showers on its neighboring planets. Svellgard was an Oceanworld that was completely GLASSED (Covie Style) due to Midguardia's destruction. Boiling away its surface and turning it into a giant crystal ball. Frostheim had its ice melted off thanks to the Alpha Legion and somehow this caused the undead to rise from their graves (Warp-shit shenanigans I guess). Fenris' own moon, Valdrmani, was rendered into a irradiated wasteland. Fenris itself was not spared and was quasi-exterminatus'd by the unintentional efforts of the Dark Angels and had its population culled by the Inquisition and Grey Knights. This has left the furries a bit Butthurt about the whole situation, and Magnus could only sit down and laugh his ass off whilst screaming "JUST AS PLANNED!"... right until the moment he got his demon ass kicked out of the Fenris system by a vengeful Logan Grimnar and his totally-not-chaotic axe reforged from a weapon of a World Eaters champion. Khorne is still pretty proud of this one.

As of the 42nd Millennium, Prospero and Sortiarius and the entirety of the star system is a independent political and governmental entity called New Kingdom, that holds significant strategic and military training grounds for the Thousand Sons. Although a minor power at best, the Imperium of Man has not yet called a crusade on the Prospero/Sortiarius System even with Grandpa Smurf at the helm. It could be because Magnus' government is so damned close to the Great Rift and the fact that it is de-facto headquarters of a fucking Daemon Primarch that is also the second most powerful Psyker in the Galaxy. So like Doctor Doom's Latveria, the Imperium ain't gonna touch the area for now.

Second Battle of Prospero[edit]

Seeing as how badly the Space Wolves got their teeth kicked in, Logan Grimnar decided to get even with Magnus. The battle began when Logan Grimnar dispatched Njal Stormcaller, Arjac Rockfist, and a force of Space Wolves under to the ruins of Prospero, which since the teleportation of the Planet of the Sorcerers to its proximity had become a hub of Warp activity. The Stormcaller had been scanning the Warp in search of Leman Russ, but had instead sensed something of great importance taking place on Prospero. On the surface of Prospero, Njal and the Wolves encountered Cultists of the Thousand Sons and eventually discovered that remnants of the Heresy-era 13th Great Company of the Space Wolves under Bulveye were trapped on the world in a network of portals. Shortly after Magnus the Red and the Thousand Sons arrived on the world, Njal discovered that the Daemon Primarch planned to secure the portals to summon an army of Daemons to the Materium.

Njal ultimately managed to rescue 200 members of the 13th Great Company, complete with Heresy-era armour, weaponry, and vehicles. However, they were then assailed by Magnus and his Thousand Sons, who were mustering at the Pyramid of Photep on Tizca for the ritual to unleash the Daemons. The Wolves were only able to escape thanks to Lukas the Trickster, who delayed Magnus by offering him his spell of unlocking needed to unlock the portal network for his Daemonic army. However, the spell was just a useless piece of paper, and as Magnus promptly has an epic Nerd Rage at Lukas; the final escapees under Arjack Rockfist managed to leave in a portal. Meanwhile back in orbit, Njal Stormcaller ordered that the Space Wolves fleet bombard Prospero again to prevent Magnus' ritual from coming to fruition.

Known Planets in the Prospero System[edit]

  • Prospero - Former homeworld of the Thousand Sons Legion.
  • Sortiarius - Known as the Planet of Sorcerers. Current base of operations of the Thousand Sons.
  • Khalkhon - Death World.
  • Meghaveda - Abandoned ammonia extraction site.
  • Telkhine - Former methane processing centre


Timeline of Warhammer 40,000
The Times of Old Wars of Secession - War in Heaven (60.000.000 BC) - Fall of the Eldar (M30)
Pre-Heresy Age of Terra (M1-M15) - Dark Age of Technology (M15-M25) - Cybernetic Revolt (M23-M25) - Age of Strife (M25-M30)
Great Crusade (Late M30-005.M31) Unification Wars - The Last Church - Rangdan Xenocides - Interex - Gardinaal - Faash - Council of Nikaea
Horus Heresy (005.M31-014.M31) Battle of Isstvan III - The Burning of Prospero - Battle of the Alaxxes Nebula - Drop Site Massacre - Thramas Crusade
The Battle of Phall - Battle of Calth - Signus Campaign - Imperium Secundus - Battle of Trisolian - Siege of Terra
Time of Rebirth (015.M31-M32) The Great Scouring (~015.M31) - Start of The Long War (M31) - The Legion Wars (M31) - The Battle of Skalathrax (M31)
The Battle of Harmony (M31) - Creation of the Codex Astartes (M31) - Second Founding (021.M31) - Battle of Thessala (121.M31)
The Forging (M32-M34) The War of The Beast (544.M32-546.M32) - The Beheading (546.M32) - The War of the False Primarch (780.M33-860.M33)
Nova Terra Interregnum (M34-M36) 21st Founding (M36)
Age of Apostasy (M36) Plague of Unbelief (310.M36)
Age of Redemption (M37-Early M38) Abyssal Crusade (321.M37-121.M38)
The Waning (Early M38- Early M41) Gothic War (143-151.M41) - The Macharian Crusade (392-399.M41) - The Macharian Heresy (400-470.M41)
Wars for Armageddon (444.M41, 941.M41 and 991.M41) - Damocles Crusade (742.M41)
Time of Ending (Early M41-999.M41) The Vaxi Atrocity (731.M41) - First Tyrannic War (745-746.M41) - Sabbat Worlds Crusade (755.M41-780.M41) - Siege of Vraks (813.M41-830.M41)
Massacre at Sanctuary 101 (897.M41) - Badab War (901-912.M41) - The Vaxhallian Genocide (926.M41) - Second Tyrannic War (990.M41-993.M41)
Orphean War (991.M41-Ongoing) - Third Tyrannic War (997.M41-999.M41) - Taros Campaign (998.M41) - Fall of Shadowbrink (998.M41)
Octarius War (999.M41-Ongoing) - Conquest of Uttu Prime (Late M41) - Devastation of Baal (999.M41) - 13th Black Crusade (999.M41-M42)
Age of the Dark Imperium (000.M42-Ongoing) Ultima Founding (999.M41-012.M42) - Indomitus Crusade (999.M41-Ongoing, first phase ended on 012.M42)
War of Beasts (001.M42-025.M42) - Plague Wars (~012.M42) - Psychic Awakening (M42)
The Planets, Systems, Regions and Sectors of the Galaxy
Imperial Homeworlds: Holy Terra - Sacred Mars
Primarch Homeworlds: Baal - Barbarus - Caliban - Chemos - Chogoris - Colchis
Cthonia - Deliverance - Fenris - Inwit - Medusa - Nostramo
Nocturne - Nuceria - Olympia - Prospero - Macragge
Notable Imperial Worlds: Armageddon - Bakka - Cadia - Catachan - Cretacia - Ganymede
Hydraphur - Necromunda - Krieg - Kronus - Phyrr - Pythos - Sacris
Sanctuary 101 - Scelus - Scintilla - Tanith - Tartarus - Titan - Vigilus
Vraks - Zayth - 108/Beta-Kalapus-9.2
Daemon Worlds: Bathamor - Black Marble - Fleshworld - Glass Moon
Medrengard - Plague Planet - Sortiarius - Sicarus
Systems and Regions: Ghoul Stars - Halo Zone - Jericho Reach
Kaurava System - Solar System - Stygius Sector
T'au Septs - Taelus System - Ultramar
Types of Worlds: Agri-World - Craftworld - Daemon World - Death World - Eldar World
Forge World - Fortress World - Hive World - Civilised World - Tomb World
Governments, Empires, Nations and Astropolitical Powers of the Galaxy
Imperial Human Powers: Imperium of Man (Adeptus Mechanicus - Ultramar)
Other Human Powers: Severan Dominate - Leagues of Votann
Chaos Powers: New Kingdom (Sortiarian Occupation - Prospero/Sortiarius)
Blood Pact - Scourge Stars
Eldar Powers: Commorragh - Craftworlds (Alaitoc - Altansar - Biel-tan - Iyanden
Saim-Hann - Ulthwé
Necron Powers: Atun Dynasty - Charnovokh Dynasty - Maynarkh Dynasty - Mephrit Dynasty
Nekthyst Dynasty - Nephrekh Dynasty - Nihilakh Dynasty - Novokh Dynasty
Ogdobekh Dynasty - Oruscar Dynasty - Sautekh Dynasty - Szarekhan Dynasty
Thokt Dynasty
Ork Powers: Ork Empire of Charadon - Ork Empire of Octarius - Ork Empire of Bork
Ork Empire of Dregruk - Ork Empire of Calverna - Ork Empire of Jagga
Tau Powers: Tau Empire - Farsight Enclaves
Other Xenos Powers: Q'Orl Swarmhood - Fra'al Satrapies