Nullspire

Codex

40 towers with 120 evolutions, 160 enemies across 16 families, 50 boss scripts.

Ratchet

core · level 1

Kinetic · single · kinetic

A belt fed autoturret on a salvaged traverse ring. It will not solve a problem on its own and it has never once jammed.

cost
90
damage
9
rate
0.42s
range
3.4

Feed Rate · More rounds per second

Caliber · Fewer, heavier rounds

Optics · Reach and precision

Vulcan Spin up and do not stop. Ultimate: Overspin.

Marksman One round, one seam. Ultimate: Cull.

Scattergun Everything in the cone. Ultimate: Wall of Lead.

Mortar Pit

core · level 1

Ordnance · splash · explosive

A dug in tube with a fire table taped to the shield. Slow, indirect, and the only early answer to a packed lane.

cost
130
damage
34
rate
1.90s
range
4.6

Charge · Bigger bursts

Tube · Faster and further

Fuse · What the shell does on arrival

Siege Battery Reaches the whole map. Ultimate: Saturation Fire.

Napalm Well Leaves the fire behind. Ultimate: Firestorm.

Breaker For the things with plate. Ultimate: Sunder.

Arc Coil

core · level 1

Voltaic · chain · energy

Two electrodes and a capacitor bank that was never rated for this. The arc prefers whatever is closest and wet.

cost
150
damage
16
rate
0.90s
range
3.2

Chain · More links

Charge · Harder discharge

Field · What the arc leaves behind

Tempest The whole lane at once. Ultimate: Ion Storm.

Tesla Pylon Stops things dead. Ultimate: Lockdown.

Railarc One line, straight through. Ultimate: Lance.

Cryo Vent

core · level 1

Cryogenics · control · cryo

A pressure vessel bled through a shaped nozzle. Does very little damage and buys every other tower twice the time.

cost
120
damage
6
rate
1.10s
range
2.8

Pressure · Colder and wider

Brittle · Cold as a damage multiplier

Reach · Cover more ground

Glacier Nothing moves through this. Ultimate: Deep Winter.

Shatterlance Cold as ammunition. Ultimate: Icefall.

Permafrost Support that never stops. Ultimate: Stillness.

Splinter Ballista

core · level 2

Kinetic · single · kinetic

A torsion frame throwing a hardwood bolt with a steel cap. Cheap, slow, and it does not stop at the first body.

cost
110
damage
40
rate
1.50s
range
4.8

Torsion · Harder throw

Bolt · What is on the end of it

Crew · Faster between shots

Impaler One bolt, one lane. Ultimate: Skewer.

Hailfire Rack Eight at a time. Ultimate: Blackout Volley.

Harpoon Winch Pulls them back. Ultimate: Reel In.

Emberjet

core · level 3

Thermal · splash · thermal

Pressurised fuel and a spark plug. Everything in the cone burns, and the burn does not care about plate.

cost
140
damage
11
rate
0.23s
range
2.4

Fuel · Hotter mix

Cone · Cover more of the lane

Scorch · What the ground remembers

Pyroclast A standing wall of fire. Ultimate: Eruption.

Thermal Lance A cutting torch, aimed. Ultimate: Cutting Sweep.

Cinderwind Fire that follows them. Ultimate: Ash Gale.

Toxin Sprayer

core · level 4

Biotic · control · toxic

An atomiser on a tank of something the field manual will not name. Toxic damage is mitigated by nothing at all.

cost
160
damage
8
rate
0.80s
range
3.0

Dose · Stronger mix

Spread · Reach more of them

Corrode · Strip what protects them

Plague Well It spreads on its own. Ultimate: Outbreak.

Acid Fount Nothing keeps its armour. Ultimate: Dissolve.

Hive Sends something out to do it. Ultimate: Swarm.

Beacon Relay

core · level 5

Support · support · energy

A signal mast that has no weapon at all. It hands range and rate to every tower in its radius and stacks with nothing except itself.

cost
170
damage
0
rate
3.00s
range
3.6

Gain · A stronger signal

Reach · Cover more towers

Economy · Pay for itself

Command Node The whole cluster fires faster. Ultimate: Surge.

Bulwark Beacon Buys back the lives you lost. Ultimate: Mend.

Treasury Turns the map into income. Ultimate: Dividend.

Railspike

core · level 6

Kinetic · siege · kinetic

Two rails, a capacitor stack and a tungsten spike. Long cycle, enormous single hit, and it can shoot across the map.

cost
220
damage
130
rate
2.60s
range
8.4

Rails · More energy behind it

Optics · Hit what matters

Spike · What arrives

Annihilator One shot, whatever it was. Ultimate: Zero Point.

Stormrail Long range, short cycle. Ultimate: Fusillade.

Nailer Pins the lane shut. Ultimate: Lockplate.

Gale Fan

core · level 8

Kinetic · control · kinetic

An impeller in a shaped duct. Does almost no damage and buys an entire lane's worth of time by pushing.

cost
130
damage
4
rate
1.40s
range
3.2

Thrust · Push harder

Field · Cover the approach

Grit · Put something in the air

Cyclone Holds a whole crowd in place. Ultimate: Maelstrom.

Shearwind Wind as a weapon. Ultimate: Flay.

Updraft Grounds the sky. Ultimate: Grounding.

Lattice Laser

advanced · level 12

Photonic · beam · energy

A continuous beam that heats a single target until the target is the problem.

cost
260
damage
13
rate
0.08s
range
4.2

Focus · Tighter beam

Aperture · Reach and coverage

Thermal · What the beam leaves

Solaris One target, no upper limit. Ultimate: Solar Flare.

Prismfan Eight beams, eight targets. Ultimate: Total Refraction.

Nullbeam Deletes what protects them. Ultimate: Strip.

Hailstorm Battery

advanced · level 14

Cryogenics · splash · cryo

A rack of cryo shells lobbed in a pattern rather than aimed.

cost
280
damage
38
rate
1.50s
range
5.4

Pattern · More shells per volley

Payload · Colder shells

Tempo · Faster volleys

Whiteout Freezes the whole field. Ultimate: Total Whiteout.

Avalanche Weight instead of cold. Ultimate: Collapse.

Glassflower Kills spread the cold. Ultimate: Bloom.

Pulse Driver

advanced · level 15

Voltaic · splash · energy

Discharges a shockwave outward on a fixed cycle and does not aim at anything.

cost
240
damage
44
rate
1.20s
range
2.8

Amplitude · Harder pulse

Frequency · Faster cycle

Interference · What the pulse does to them

EMP Core Turns their advantages off. Ultimate: Blackout.

Quaker Nothing keeps its footing. Ultimate: Fault Line.

Nova Driver Damage, and a lot of it. Ultimate: Detonate.

Warden Spire

advanced · level 17

Arcane · single · arcane

A carved spire that sees stealth, ignores wards and prefers whatever is trying not to be seen.

cost
290
damage
72
rate
0.90s
range
4.6

Sight · See more, reach more

Word · Harder impact

Curse · Make them worse

Inquisitor Kills the ones that cheat. Ultimate: Judgement.

Hexweaver The map takes more damage. Ultimate: Anathema.

Sanctum Holds the line by itself. Ultimate: Warding.

Acid Fount

advanced · level 18

Biotic · splash · toxic

A pressurised well of solvent that sprays in an arc and keeps eating after it lands.

cost
250
damage
30
rate
0.85s
range
3.6

Molarity · Stronger solvent

Volume · More of it

Catalyst · Chain reactions

Dissolver Armour stops existing. Ultimate: Unmake.

Caustic Well The lane is the weapon. Ultimate: Deluge.

Vitriol Lance One target, all of it. Ultimate: Purge.

Tempest Rod

advanced · level 20

Voltaic · chain · energy

A grounded rod that throws an arc which prefers targets it has already marked.

cost
300
damage
40
rate
0.70s
range
4.0

Links · Longer chains

Potential · Harder arcs

Ground · Field control

Thunderhead Every enemy, every cycle. Ultimate: Thunderstorm.

Stormpike One target, everything at once. Ultimate: Bolt from Nothing.

Paralysis Grid The lane simply stops. Ultimate: Hold.

Siege Howitzer

advanced · level 22

Ordnance · siege · explosive

A towed gun on a concrete pad. Enormous range, enormous crater, nothing quick about it.

cost
380
damage
260
rate
3.20s
range
10.0

Bore · Bigger shells

Range · Reach the spawn

Crew · Faster cycle

Doomsday Gun One shell, one wave. Ultimate: Fire Mission.

Carpet Battery Everywhere at once. Ultimate: Carpet.

Breachhead For the ones with plate. Ultimate: Sunder All.

Drone Bay

advanced · level 24

Autonomous · summon · kinetic

A launch cradle that keeps three drones in the air. They chase what the bay cannot reach.

cost
320
damage
26
rate
0.50s
range
5.6

Wing · More drones

Armament · Better guns

Logistics · Uptime and reach

Carrier Twelve in the air. Ultimate: Alpha Strike.

Reaper Wing Fewer drones, heavier ordnance. Ultimate: Danger Close.

Swarm Bay Too many to count. Ultimate: Cloud.

Shatter Prism

advanced · level 26

Photonic · splash · energy

A cut crystal that splits an incoming charge into a spread of hard light.

cost
270
damage
34
rate
0.75s
range
4.4

Facets · More shards

Hardness · Sharper shards

Resonance · What happens after

Kaleidos Sixteen shards, every shot. Ultimate: Burst.

Monolens All facets, one point. Ultimate: Pierce.

Mirrorfield Their own attacks come back. Ultimate: Cascade.

Nail Storm

advanced · level 28

Kinetic · single · kinetic

A hopper of steel nails and a spinning throw wheel. Absurd rate of fire, nothing behind each hit.

cost
230
damage
7
rate
0.07s
range
3.0

Wheel · Faster still

Nails · Better nails

Hopper · Uptime

Shredder Fifteen hits a second. Ultimate: Grind.

Flechette Storm Everything in the arc. Ultimate: Blizzard.

Scrapworks Pays for the whole build. Ultimate: Payout.

Plasma Lance

elite · level 30

Thermal · beam · thermal

A magnetically pinched arc of plasma that does not stop at the first target.

cost
420
damage
96
rate
0.35s
range
5.4

Pinch · Hotter core

Sweep · Cover more angles

Scorch · Leaves heat

Starcutter A line across the map. Ultimate: Cleave.

Forgeheart Turns the ground to slag. Ultimate: Crucible.

Arcwelder Holds one thing until it stops. Ultimate: Overload.

Graviton Well

elite · level 32

Void · control · void

A contained mass anomaly. It does not kill anything and it makes everything else twice as effective.

cost
460
damage
18
rate
1.60s
range
4.0

Mass · Stronger pull

Tidal · Damage from the gradient

Field · Reach and duration

Singularity Everything, into one point. Ultimate: Collapse.

Lensing Array Makes every tower hit harder. Ultimate: Focus.

Repulsor Sends the wave backward. Ultimate: Reset.

Meteor Caller

elite · level 34

Arcane · siege · explosive

A sighting obelisk that borrows its ammunition from orbit. Long telegraph, enormous crater.

cost
520
damage
420
rate
4.00s
range
9.0

Mass · Heavier rocks

Volley · More rocks

Aftermath · What the crater does

Extinction Event One rock, everything. Ultimate: Impact.

Starfall Continuous rain. Ultimate: Meteor Rain.

Cometlock Aimed, and it does not miss. Ultimate: Lock On.

Null Emitter

elite · level 36

Void · single · void

Projects a field where matter stops being reinforced. Void damage passes through armour and wards alike.

cost
480
damage
180
rate
0.80s
range
4.8

Aperture · Wider null

Depth · Harder null

Resonance · What the field does

Erasure Field Nothing keeps anything. Ultimate: Void.

Executioner Finishes anything wounded. Ultimate: Sentence.

Silence Turns the wave off. Ultimate: Quiet.

Frostbound Obelisk

elite · level 38

Cryogenics · control · cryo

A standing stone that never warms. Everything near it moves at a fraction of its speed.

cost
440
damage
46
rate
1.00s
range
4.4

Cold · Deeper freeze

Aura · Wider winter

Shatter · Cold into damage

Eternity The level stops moving. Ultimate: Halt.

Rimelance Cold with a point on it. Ultimate: Rimefall.

Glassheart Frozen things explode. Ultimate: Shatter.

Reaper Nest

elite · level 40

Autonomous · summon · kinetic

Houses two heavy drones that hunt independently and prioritise whatever is worst for you.

cost
500
damage
160
rate
1.10s
range
7.0

Wing · More reapers

Ordnance · Heavier loads

Doctrine · How they choose

Warhost Ten reapers, all of them heavy. Ultimate: Alpha Sortie.

Gunship One drone, and it is enormous. Ultimate: Orbit Burn.

Harvester Pays for itself twice over. Ultimate: Tithe.

Spectral Choir

elite · level 42

Arcane · support · arcane

Three bound voices that sing at everything in range at once. No projectile, no travel time.

cost
470
damage
54
rate
0.90s
range
5.0

Voices · More of them

Dirge · Harder song

Blessing · What it gives you

Requiem Everything in range, always. Ultimate: Last Rites.

Benediction The best support in the game. Ultimate: Grace.

Dirge A curse that finishes the job. Ultimate: The Toll.

Overload Reactor

elite · level 43

Voltaic · splash · energy

Builds charge every cycle it does not fire and dumps all of it into the next shot.

cost
450
damage
200
rate
2.20s
range
4.6

Charge · Bigger dump

Cooling · Faster cycles

Venting · What the blast does

Meltdown One number, very large. Ultimate: Criticality.

Dynamo Powers everything around it. Ultimate: Grid Surge.

Arcstorm Constant, everywhere. Ultimate: Tempest.

Rift Harpoon

elite · level 44

Void · control · void

Fires a tethered spike into a rift. Whatever it catches is dragged somewhere else for a while.

cost
490
damage
240
rate
1.60s
range
6.0

Tether · Hold them longer

Harpoons · More lines

Rift · What is on the other side

Banisher Removes them from play. Ultimate: Exile.

Dragnet Pulls the whole wave into your guns. Ultimate: Haul.

Riftspike One target, gone. Ultimate: Voidstrike.

Cinder Cathedral

elite · level 45

Thermal · splash · thermal

Two tiles of standing furnace. Everything within four tiles is on fire, permanently.

cost
540
damage
110
rate
0.60s
range
4.0

Furnace · Hotter

Nave · Wider

Bells · The other thing it does

Inferno The whole map burns. Ultimate: Conflagration.

Great Forge Arms everything around it. Ultimate: Temper.

Pyre Burns down, then out. Ultimate: Cascade.

Singularity Core

legendary · level 48

Void · control · void

A collapsed mass held in a lattice. Everything nearby falls toward it and comes apart on the way.

cost
780
damage
320
rate
1.20s
range
5.4

Mass · Deeper well

Reach · Wider collapse

Bleed · What escapes the well

Event Horizon Nothing crosses it. Ultimate: Total Collapse.

Quasar The well fires outward. Ultimate: Relativistic Jet.

Accretion Disc Feeds the whole build. Ultimate: Feast.

Orbital Lance

legendary · level 52

Photonic · siege · energy

A ground designator for a weapon that is not on the map. Global range, long cycle, no cover.

cost
820
damage
900
rate
3.40s
range
20.0

Output · Harder strike

Cadence · Faster designation

Footprint · Where it lands

Judgement One target, from orbit. Ultimate: Verdict.

Gridfire The whole map, at once. Ultimate: Saturation.

Aegisfire Answers the emergency. Ultimate: Last Line.

Chrono Vault

legendary · level 56

Arcane · control · arcane

A sealed crystal that runs slower inside than out. Everything near it experiences less second per second.

cost
860
damage
120
rate
1.40s
range
5.0

Dilation · Slower still

Acceleration · Your side runs faster

Rewind · Undo what happened

Stasis Vault Nothing happens here. Ultimate: Full Stop.

Accelerator Your whole build, twice as fast. Ultimate: Overdrive.

Paradox Engine Damage happens twice. Ultimate: Loop.

Aegis Bastion

legendary · level 58

Support · support · energy

A fortified block with no weapon that repairs the core and shields the towers around it.

cost
720
damage
0
rate
2.60s
range
6.0

Plating · Protect the core

Uplink · Strengthen the cluster

Economy · Fund the build

Citadel The core cannot be broken. Ultimate: Hold the Line.

Armory Everything hits harder. Ultimate: General Issue.

War Treasury Turns the campaign into income. Ultimate: War Chest.

Voidsong Spire

legendary · level 62

Void · chain · void

Sings into the void and the void answers on every enemy at once. Chains without falloff.

cost
800
damage
260
rate
0.70s
range
6.0

Verse · Longer chains

Chorus · Harder song

Silence · What the song removes

Voidsong Requiem Everything, every cycle. Ultimate: Silence.

Null Choir Turns off the whole wave. Ultimate: Mute.

The Last Note One chain, then nothing. Ultimate: Coda.

Titan Forge

legendary · level 66

Autonomous · summon · kinetic

Assembles a walking construct that leaves the tower, holds the lane and is rebuilt when it falls.

cost
760
damage
420
rate
1.40s
range
6.4

Chassis · Bigger constructs

Line · More constructs

Doctrine · How they fight

Colossus One construct, unkillable. Ultimate: Awaken.

Legion Twelve on the field. Ultimate: Muster.

Bulwark Line Nothing gets past. Ultimate: Shield Wall.

Prism Cascade

legendary · level 70

Photonic · chain · energy

A stack of prisms where each split feeds the next. The chain grows instead of decaying.

cost
740
damage
220
rate
0.50s
range
6.0

Stack · More prisms

Gain · Brighter light

Spectrum · Other wavelengths

Supernova The whole map, in light. Ultimate: Flash.

Focal Point Every prism, one target. Ultimate: Focal Lance.

Spectra Every damage type at once. Ultimate: Full Spectrum.

Wyrmfire Maw

legendary · level 74

Thermal · beam · thermal

Charges for four seconds and releases a cone of fire that reaches most of the map.

cost
700
damage
900
rate
4.00s
range
8.0

Breath · Hotter

Lungs · Shorter charge

Reach · Longer cone

Cataclysm One breath, one wave. Ultimate: Last Breath.

Emberstream Never stops breathing. Ultimate: Endless.

Ashwyrm The fire hunts on its own. Ultimate: Flight.

Genesis Bloom

legendary · level 78

Biotic · control · toxic

A seed that spreads along the lane. Every tile it takes becomes a hazard that never leaves.

cost
690
damage
180
rate
0.80s
range
5.4

Growth · Spread further

Toxin · Stronger poison

Symbiosis · What the bloom gives you

Worldroot The level belongs to it. Ultimate: Full Bloom.

Thornheart The lane fights back. Ultimate: Thicket.

Graftmother Grows your side instead. Ultimate: Flourish.

Nullspire Anchor

legendary · level 85

Void · single · void

Salvaged from the tower itself and turned around. It does a little of everything, and all of it ignores defences.

cost
1200
damage
700
rate
0.80s
range
7.0

Anchor · Deeper hold on the void

Aperture · Reach

Dominion · What it takes

Dominion The strongest tower in the game. Ultimate: Unmake.

Black Obelisk One shot, whatever it is. Ultimate: Null.

Keystone Makes the whole build legendary. Ultimate: Ascend.