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11 The Legion of Truth are one of the four main factions in ZeroSpace, a fanatical empire from beyond the reaches of known space devoted to their Emperor and a pantheon of god-like beings. Their motto is "Across a Million Worlds, We March". Their armies crusade across the cosmos to bring everything in their path under the Idals, purging those unwilling or unable to accept the voice.
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33 Where other factions bring a single hero to a fight, the Legion is built around a few but powerful units and is the only force that fields all of its heroes in one battle. That makes hero positioning a central part of playing them well.
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66 How They Fight
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88 TraitEffectField Every HeroThe Legion is the only faction that brings all of its heroes to a single battle instead of one.Titanic EnginesThe Terror Tank is a mobile fortress that reconfigures as the battle turns, breaking enemy lines under its treads.Expendable FaithfulThralls are cheap and fragile, and they fall in waves to summon the might of the Emperor himself.
99 Commanders
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1111 Three Legion commanders have been named by the studio:
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1313 CommanderRoleGalavaxLegion commanderInquisitressLegion commander, and one of the characters given a dedicated unlockable portrait during Early AccessKraegarLegion commander
1414 All three cost 150 Hexite and 150 Flux, are produced at the Altar rather than called in from the top bar, and are researched at the Armory. A fourth Legion hero entry sits in the community catalogue: Krag'vorn, Kraegar's beast, which spawns alongside him rather than being picked separately. It carries 200 health, rebuilds 60 seconds after it dies, and its Feed passive grants it +1 damage and +20 health for every allied beast that dies anywhere on the map. Because the Legion brings every hero it has to a fight, Kraegar effectively puts two bodies on the field.
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1616 Forces
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1818 The official faction page shows four sample units and says the full list is coming later. The current build data covers 13 Legion units and 14 structures, read in September 2026, the largest structure count of the four main factions. Thralls are ordered three at a time, so the cost buys the whole batch while supply is charged per body.
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2020 Each of the thirteen has its own page, reachable from the table below or from the index on Units. Their costs come out of the two currencies described on Resources and Economy.
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2222 UnitRoleCostSupplyHealth and ArmorThrallLight ranged infantry that attacks ground and air, ordered three at a time50 Hexite for three1 each70, Light armorSteelswornTanky melee infantry, ground targets only50 Hexite2200, Medium armorExaltedFast raider that can jump down cliffs and attacks ground and air75 Hexite2200, Medium armorDark DiscipleLight ranged infantry whose damage builds the longer it keeps firing50 Hexite, 100 Flux4180, Light armorStorm BringerLight ranged infantry that raises a Tempest and generates energy by attacking50 Hexite, 125 Flux4150, Light armorMammothHeavy beast that Legion infantry mount, with the rider changing what it does175 Hexite, 100 Flux61,000, Heavy armorTerror TankMassive tank with installable turrets200 Hexite, 200 Flux151,000, Heavy armorDreadnoughtMassive aircraft with installable turrets150 Hexite, 250 Flux15800, Heavy armorEmperor ProjectionMassive ultimate-tier avatar summoned from the Ritual Site, hitting for 100 with splash and double damage to buildingsSummoned at the Ritual SiteNone5,000, Medium armorLegion LabourerFlux harvester that also builds and repairs mechanical units and structures75 HexiteNone150, Medium armorScouting DroneLight flying scout25 HexiteNone75, Light armorSacrificial SiteDeployable healing site placed by Galavax, restoring 15 health a secondPlaced by GalavaxNone150, Building armorLegion Build DroneAutomated builder that raises Legion structuresNo listed costNone25, Medium armor
2323 The Mammoth is the clearest expression of the faction. It walks over allied infantry, stomps anything directly underneath it, and hits buildings far harder than most Legion units, but what it becomes depends on who climbs aboard. A Thrall grants it +125 move speed, a Steelsworn adds +3 armor, and a Dark Disciple or Storm Bringer makes it trample nearby enemies while it moves. The September 1, 2026 hotfix cut that trample from 60 damage a second to 45, removed the line damage the Mammoth used to deal whenever it killed something, and cut the mounted move speed bonus from a Dark Disciple or Storm Bringer from +125 to +50. The Thrall bonus was left alone.
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2525 Structures
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2727 The Legion Barracks and the Beastiary both open tier 1 mercenary hiring, the Citadel opens tier 2 and the Terror Tower tier 3. Thralls sacrificed on the Citadel speed research by 50% for 30 seconds, which is the same trade the faction makes everywhere else: bodies for tempo.
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2929 StructureRoleCostHealthGarrison TowerMining outpost that raises extractors on a hexite patch, upgradeable to attack400 Hexite2,500ExtractorHexite extractor, built by the Garrison Tower100 Hexite225Idal ConduitProvides 12 supply and recharges the energy of nearby units75 Hexite500Legion BarracksBasic unit production75 Hexite1,000BeastiaryBeast production, and the source of the Exalted and the Mammoth100 Hexite1,000CitadelOpens tier 2 mercenary hiring, unlocks the Terror Tower, the Armory and the Altar, and converts sacrificed Thralls into research speed125 Hexite, 50 Flux2,000Terror TowerCarries the build unlocks for the Dark Disciple, Storm Bringer, Mammoth, Terror Tank and Dreadnought, and builds the last two 100% faster while they are nearby100 Hexite, 100 Flux1,000AltarHero production100 Hexite, 75 Flux1,000ArmoryResearch for Legion heroes100 Hexite, 25 Flux1,000Healing ObeliskHeals friendly units, and spends energy to heal more125 Hexite400Guardian ObeliskDefensive emplacement that spends energy for bonus damage190 Hexite400Summoning ObeliskMakes 8 Thralls at once, then a free Thrall every 30 seconds until it is destroyedNo listed cost500Ritual SiteUltimate-tier structure that produces the Emperor Projection300 Hexite1,000MonolithMassive ultimate-tier attacking structure635 Hexite1,000
3030 One conflict is worth flagging. The Citadel's own in-game text still says it unlocks Dark Disciples and Mammoths, while the build's unlock data attaches the Dark Disciple, Storm Bringer and Mammoth to the Terror Tower along with the Terror Tank and the Dreadnought. The Citadel is what unlocks the Terror Tower, so the two readings agree on the order you build them in and disagree only on which structure carries the entry. Treat the tower as the gate until a patch note settles it.
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3232 Legion support structures include the Healing Obelisk and the Ritual Site, and the faction has a Reanimate ability that brings units back into the fight. Efficient Upgrades is a Legion research bonus that speeds up and discounts their technology; as of August 14, 2026 it gives 40% faster research and 40% cheaper research, having been cut to 35% on both counts three days earlier from 40% speed and a 60% discount.
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3434 Balance Since Launch
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3636 The figures above describe build ZS.c36778, current in September 2026. The changes that produced them:
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3838 DateUnit or UpgradeChangeAugust 11, 2026Efficient UpgradesResearch speed bonus cut from 40% to 35% and the research discount from 60% to 35%August 11, 2026Dark DiscipleDamage bonus against heavy armor cut from +100% to +75%August 11, 2026ExaltedDamage raised from 22 to 24, with Maul damage cut from 18 to 12 and given a +50% bonus against medium armorAugust 11, 2026Legion LabourerMove speed raised from 450 to 500August 11, 2026Scouting DroneHealth cut from 100 to 75 and supply cost cut from 1 to 0, and Reanimate can no longer target itAugust 14, 2026Efficient UpgradesBoth the research speed bonus and the research discount raised from 35% to 40%August 14, 2026DreadnoughtBombardment damage per bomb raised from 60 to 70August 14, 2026SteelswornArmor raised from 0 to 1August 14, 2026ThrallFixed a bug that gave health and energy to nearby heroes when a Thrall diedAugust 28, 2026Guardian and Healing ObelisksStarting energy raised from 20 to 50, maximum energy cut from 100 to 50, and energy regeneration cut from 2.67 to 2August 28, 2026KraegarLevel 1 damage raised from 10 to 12 with the cooldown lengthened from 1.2 to 1.3 seconds, the experience granted when Kraegar and Krag'vorn die cut from 200% to 150%, and Krag'vorn Feed changed to gain a stack per 75 cost of a dying beast rather than one per beastAugust 28, 2026InquisitressCharge cooldown lengthened from 6 to 7 seconds and charge speed raised from 2000 to 2800August 28, 2026War ExperienceExperience cost cut from 20% to 15%August 28, 2026MammothCan now push through smaller units, and gained the beast tag alongside the ExaltedSeptember 1, 2026MammothStomp damage per second cut from 60 to 45, the line damage on a kill removed, and the mounted move speed bonus from a Dark Disciple or Storm Bringer cut from +125 to +50September 1, 2026GalavaxWeapon damage point shortened from 0.5 to 0.4 seconds and attack leash range raised from 1.1 to 2.25, so attacks are less often cancelled against running targetsSeptember 1, 2026War ExperienceNo longer grants experience once the faction reaches maximum level
3939 In the Wider Game
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4141 The Legion are playable across the Campaign, the Galactic War and ranked Skirmish. They are also the force whose dark crusade drove the Xol to the brink of extinction, which sets up one of the sector's central conflicts.
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43+September 12, 2026: Versus, Skirmish and Survival
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45+Inquisitress gained the Tier 2 Wake of Fire upgrade: Charge leaves a fire trail dealing 50 damage per second for five seconds and grants three armor for its three-second buff. One Life For Another maximum orbs fell from six to three and healing changed from the sacrificed Thrall's health to twice that health. Kraegar's Killer Instinct upgrade additionally reduces its cooldown from eight to four seconds.