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11 The Bastion is the Protectorate short range splash infantry unit, sitting at Tier 1.5 between the Commando and the faction's vehicles. Its G53 Flamethrower reaches only 2.25 range but doubles its damage against Light armour and splashes across 0.8, which makes it the faction's dedicated answer to massed cheap infantry. Figures below describe build ZS.c36778 of 11 September 2026 and move with the weekly patch cadence.
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33 Stat Block
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55 StatValueCost75 hexite and 25 fluxHealth275Shields0Armor1Armor typeMediumStatus resistNone listedMove speed540Vision16Supply3Build time30 secondsTier1.5DomainGround unitInfuse / Reanimate / Replicate5.3125 eachBuilt byBarracks
66 Weapons
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88 WeaponDamageDPSRangeCooldownTargetsBonusesG53 Flamethrower16112.251.5 secondsGround+100 percent against Light armour, splash at full damage across 0.8 range
99 Upgrades
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1111 UpgradeTierCostEffectResearched atReactive Armor1100 flux, 50 second research+25 percent health and +1 armorResearch LabKinetic Mode1100 flux, 50 second research+40 percent movement speed outside of combatMechanical Research LabOverpressure Nozzle2125 flux, 60 second research+25 percent splash range and +33 percent splash area of effectResearch LabRetribution Protocol2125 flux, 60 second researchExplodes on death, dealing 20 damage per second to nearby enemies for 6 secondsMechanical Research Lab
1212 Role
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1414 A Bastion is a wall with a flamethrower behind it. At 275 health with 1 armor it absorbs far more than the Commando it stands in front of, and the flat armour point matters more than it looks: armour subtracts from every individual hit with a floor of 1, so a Bastion blunts a swarm of small attacks far harder than a single heavy shell.
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1616 The 2.25 range is the cost of all that. Bastions have to reach what they are burning, and at move speed 540 they are slower than almost everything they want to catch. Kinetic Mode exists for exactly that problem, adding 40 percent move speed while out of combat so the unit can arrive at the fight rather than trailing behind it.
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1818 Against Light armour the flamethrower doubles to 32 per hit before splash, which is what makes the Bastion the standard reply to Thrall swarms, Arkanid spawns and massed Commandos. Overpressure Nozzle widens the splash further and is the upgrade to take when the enemy is committing to numbers rather than quality.
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2020 Retribution Protocol turns a dead Bastion into a 6 second damage field. It rewards pushing into a contained space and it punishes an enemy that clumps to finish the unit off.
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2222 Faction Context
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2424 The Bastion is built at the Barracks and researched across both labs: Reactive Armor and Overpressure Nozzle in the Research Lab, Kinetic Mode and Retribution Protocol in the Mechanical Research Lab.
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2626 It is the front rank of the Protectorate infantry core described on the Protectorate page, standing ahead of Sentinel rail cannons and Commando rifles. Because base and production structures carry a healing bot, a Bastion that retreats into its own base recovers without spending anything, which is a large part of why the faction can afford a unit that takes damage for a living.
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2828 Tier and Armour Interactions
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3030 Medium armour with 1 flat armour, raised to 2 by Reactive Armor along with +25 percent health. Against a weapon that fires many small hits, 2 armor is a substantial reduction; against a Juggernaut shell of 100 damage it saves 2.
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3232 The unit's own bonus keys off Light armour only. Against Medium or Heavy targets the Bastion is a 16 damage melee range unit with no multiplier, which is the reason it is never the answer to armoured vehicles.
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3434 Counters
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3636 Strong against:
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3838 UnitWhyThrallcheap Light armour infantry in numbers, the exact target the +100 percent bonus and the splash are built forArkanidspawned Light armour swarms clump tightly, so splash lands on several at onceCommando125 health Light armour takes 32 per hit before splashPredatorLight armour at 140 health, if it can be caught at 2.25 range
3939 Weak to:
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4141 UnitWhySkrell+100 percent against Medium armourRoller+100 percent against Medium with splash across 3 rangeSentinel13 range against a unit that needs 2.25, and it never has to closeHellfireartillery at 14 range, or 26.25 sieged, against a 540 speed unitAny flyerthe flamethrower cannot target air at all
4242 Balance History
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4444 28 August 2026: Overpressure Nozzle moved from Tier 1 to Tier 2, Kinetic Mode moved from Tier 2 to Tier 1, and the Tier 2 upgrade flux cost reduced from 150 to 125.11 August 2026: the visual effect size on the Bastion explosion was adjusted to match its actual area of effect, a clarity fix rather than a balance change.
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4646 Notes
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4848 For the rest of the roster and how to read a stat block, see Units. For hexite, flux, supply and the power pool behind unit conversions, see Resources and Economy. For the commanders that lead a Protectorate army, see Heroes and Commanders.
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5050 Every number on this page is read from build ZS.c36778, the entity release stamped 11 September 2026. ZeroSpace patches weekly during Early Access and 42 of its 87 versus units changed stats in the 15 days before that build, so treat the figures here as dated rather than permanent.