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"Can feel the ground tremble beneath that mountain of a machine."
―Aloy nearing a Tremortusk

The Tremortusk is a machine in Horizon Forbidden West.

Appearance[]

The Tremortusk chassis is reminiscent of a proboscidean, most likely a mammoth based on its downward sloping back. Its face bears four articulate tusks tipped with impressive orange spades, a prehensile trunk, and a pair of Plasma Cannons, the latter of which rest beneath its eyes. Its back is lined with several long-range weapons: near the base of the head are a pair of shock cannons, which are followed by four antennae, and then a set of retractable salvo cannons in front of their rear hips. On its rear are four cylindrical ammo drums. Its belly contains a massive orange Blaze sac, with a smaller amplifying sac on its chest.

Standing several meters tall, the Tremortusk towers above humans, as well as many other Zero Dawn machines.

Behavior[]

Tremortusks can be encountered naturally in the wilds of the Forbidden West, but they can also be found under the control of Regalla's Rebels. Rebel Tremortusks are specially outfitted similar to war elephants of old, making them an even greater threat. After a certain amount of damage, it will rear up and throw the humans off its back. It also tends to charge at the player.

Like most machines of its size, the Tremortusk is largely solitary, and is only rarely found in groups of two.

History[]

The Tremortusk was designed by HEPHAESTUS for the task of culling the human population, specifically hunters attacking the terraforming system's machines.

During Regalla's rebellion, the rebel forces managed to override Tremortusks and add them to their forces. Due to their size, the overridden Tremortusks were outfitted with war huts that would enable a rebel group to fight from atop the machine. One such Tremortusk was felled by the Easterner Aloy, who used one of its cannons to bring down the Bulwark.

Abilities[]

The Tremortusk is effectively a walking tank, bearing a barrage of long-range weaponry that enable it to attack from nearly any angle or distance. Its trunk can be used to spray fire on enemies, or itself and allied machines with amplifying gas. While generally slow-moving, it is capable of occasional bursts of speed, including wide swings of its massive head and tusks. These attacks, combined with heavy armor plating, make the Tremortusk one of the most formidable enemies to encounter in the wild.

Some Tremortusks are equipped with antenna, giving them the ability to summon machine reinforcements.

Weaknesses[]

The Tremortusk's Blaze sac is its primary weak spot, due to its large size and relative ease in access: destroying it will inflict the burning state, as well as disable its fire attacks. Its Plasma Cannons can be detached and used against it, although the Apex variant's Plasma resistance makes this hardly effective.

Because the Tremortusk has few attacks that can reach targets above it, it can be relatively safely attacked from a ledge above it.

Attacks[]

Name Windup Time Damage Damage Area Trigger Range Description
Tusk Multi-Stab Short 264 Melee

Crushed Crushed 50

- 9m - 12m Points tusks downward ands stabs into ground while lunging at target. Follows up with max of 5 additional stabs.
Tusk Pincer Medium 352 Melee

Crushed Crushed 50

- 4m - 9m Extends all tusks and lunges forward while snapping them shut.
Shatter Swing Very Short 264 Melee

Crushed Crushed 50

- 1m - 8m Rotates body left/right to face target while sweeping its tusks horizontally along the ground.
Terror Reaper Medium 417 Melee

Crushed Crushed 50

- 4m - 44m Charges forward while swinging its tusks left to right in a pendulum motion. Continues swinging until it hits or target moves out of range.
Raging Terror Reaper Medium 417 Melee

Crushed Crushed 50

- 4m - 44m Charges towards target and stabs all 4 tusks into the ground.
Thunder Stomper Medium Body: 176 Melee, Crushed Crushed 50

Concussion Explosion: 176 Melee

Shock Ring: Shock-Icon176, Shock-Icon114 buildup

- 4m - 14m Stomps a total of 4 times, alternating between left/right front legs while walking forward, causing a Tremor effect and creating a Shock ring.

Shock rings disabled when Drenched.

Seismic Thunder Slam Medium Body: 180 Melee, Crushed Crushed 50

Concussion Explosion: 360 Melee

Shock Ring: Shock-Icon360, Shock-Icon120 buildup

- 0m - 18m Slams down with front legs to unleash an expanding ring of Shock energy. Causes Tremor effect if close.

Shock ring disabled when Drenched. Desperation Attack.

Homing Shock Swarm Short Shock-Icon 60

Shock-Icon 25 buildup

Shock-Icon 20/s

Shock-Icon 20/s buildup

24m - 64m Uses Shock Cannons to launch a volley of Shock Orbs that slowly home in on target and pick up speed as they near the ground. Orbs explode on contact and create residual Shock damage areas.

Attack disabled when Drenched.

Plasma Splinter-Blitz Short Plasma 176

Plasma 71 buildup

Plasma 20/s

Plasma 20/s buildup

14m - 64m Fires Plasma Cannons 5 times in quick succession, generating Plasma trails that glide along the surface.

Attack disabled when Drenched.

Plasma Splinter-Barrage Long Plasma 176

Plasma 71 buildup

Plasma 20/s

Plasma 20/s buildup

24m - 54m Charges up Plasma Cannons to unleash a barrage of 4 Plasma trails that glide along the surface. Trails generate residual damage areas on impact.

Attack disabled when Drenched.

Incincerator Medium Fire-Icon 100/s

Fire-Icon 70/s buildup

Fire-Icon 20/s

Fire-Icon 20/s buildup

6m - 19m Uses trunk to spew a directed stream of flames as it walks forward. Creates residual damage areas near tip of flames.

Attack disabled when Drenched.

Blazing Barrier Short/Medium Fire-Icon 106

Fire-Icon 55 buildup

Fire-Icon 20/s

Fire-Icon 20/s buildup

9m - 22m Sweeps trunk side to side like a flamethrower and sends out 3 consecutive waves of fireballs. Creates residual damage areas along the ground.

Attack disabled when Drenched.

Blazing Rock Throw Medium 203 Ranged

Fire-Icon 203

Fire-Icon 120 buildup

Crushed Crushed 35

Fire-Icon 20/s

Fire-Icon 20/s buildup

19m - 54m Digs out boulder and coats in flames before tossing at target. Boulder creates Fire explosion as it lands and rolls for a few seconds before exploding, leaving residual damage areas along its path.

Fire damage disabled when Drenched.

Cannon Blitz Medium 170 Ranged - 25m - 95m Series of 4 artillery blasts fired in rapid succession from Salvo Cannons.
Cannon Barrage Medium 170 Ranged - 30m - 90m Charges Salvo Cannons and fires a volley of 4 artillery blasts in a spread pattern.
Terror Trumpet Medium Deafened - 0m - 15m Lifts trunk in the air and lets out a loud trumpet, afflicting the Deafened status in a wide area.

Components[]

Name Variant Image Description Attributes
Body All Hard outer casing to protect synthetic muscle and operational systems. None
Tusks All Large, razor-sharp tusks. Detach or destroy all four Tusks to disable its more damaging attacks.
  • Detachable
  • Attack Removal
  • Destroyed When Killed
  • Key Upgrade Resource
Plasma Cannon All A powerful weapon that fires devastating tracks of Plasma along the ground.
  • Detachable
  • Attack Removal
  • Persists When Killed
  • Useable Weapon
Processing Capsule All Resource and materials storage for internal functions. Tear off to collect its contents.
  • Detachable
  • Contains Valuable Resources
  • Destroyed When Killed
Sparker Standard Shock storage. Tear off to collect this resource or shoot with a Shock Arrow to detonate.
  • Chain Reaction
  • Detachable
  • Contains Valuable Resources
  • Destroyed When Killed
Chillwater Canister Apex Chillwater storage. Tear off to collect this resource or shoot with a Frost Arrow to detonate.
  • Chain Reaction
  • Detachable
  • Contains Valuable Resources
  • Destroyed When Killed
Blaze Sac All Blaze storage. Destroy to disable Fire attacks or leave intact to add loot to the carcass.
  • Explosive
  • Attack Removal
  • Persists When Killed
  • Contains Resources If Intact
Shock Cannon All A powerful weapon that fires homing Shock projectiles.
  • Detachable
  • Attack Removal
  • Persists When Killed
  • Useable Weapon
Antenna All Signal transmitter used to call in machine reinforcements.
  • Detachable
  • Reinforcement Call Removal
  • Contains Valuable Resources
  • Destroyed When Killed
Amplifying Sac All Potent liquid storage. Destroy to disable the ability to amplify allied machine attacks or leave intact to add loot to the carcass.
  • Explosive
  • Ability Removal
  • Persists When Killed
  • Contains Resources If Intact
Salvo Cannon All A powerful weapon that fires salvos of withering blasts. Vents heat to the Heat Sink.
  • Detachable
  • Attack Removal
  • Contains Valuable Resources
  • Destroyed When Killed
Heat Sink All Heat dispersal mechanism. Extremely vulnerable to damage, but only exposed when the Salvo Cannon overheats.
  • Indestructible
  • Weak Spot
Ammo Drum All Large storage container for valuable resources. Tear off to collect its contents.
  • Detachable
  • Contains Valuable Resources
  • Destroyed When Killed

Loot[]

Body

Tusks

Plasma Cannon

Processing Capsule

Sparker

Blaze Sac

Shock Cannon

Antenna

Amplifying Sac

Salvo Cannon

Heat Sink

  • None

Ammo Drum

Body

Tusks

Plasma Cannon

Processing Capsule

Chillwater Canister

Blaze Sac

Shock Cannon

Antenna

Amplifying Sac

Salvo Cannon

Heat Sink

  • None

Ammo Drum

Variants[]

Variant Weak Vs. Strong Vs.
Tremortusk Weak iconFreeze-Icon Frost Strong iconFire-Icon Fire

Very strong iconShock-Icon Shock

Apex Tremortusk Weak iconShock-Icon Shock Very strong iconPlasma Plasma

Strong iconPurgewater Icon Purgewater

Trivia[]

  • This is the first combat class machine to be revealed from Horizon Forbidden West.
  • The machine catalog and official guide do not state that the standard variant of the Tremortusk is resistant to Shock, despite a Focus scan and a trial at Hunting Grounds: The Raintrace showing its resistance.

Gallery[]

References[]

Machines
Horizon Zero Dawn
Acquisition Class Broadhead - Charger - FireclawFW - FrostclawFW - Glinthawk - Grazer - Lancehorn - Rockbreaker - Scrapper - Snapmaw - Strider - Trampler
Combat Class Corruptor - Deathbringer - Ravager - Sawtooth - ScorcherFW - Stalker - Stormbird - Thunderjaw
Communications Class Tallneck
Recon Class Longleg - Redeye Watcher - Watcher
Transport Class Behemoth - Bellowback - Shell-Walker
Unknown Class Control TowerFW
Variants Corrupted machine - Daemonic machineFW
Horizon Forbidden West
Acquisition Class BilegutBS - Bristleback - Charger - Clamberjaw - Fanghorn - Fireclaw - Frostclaw - Glinthawk - Grazer - Lancehorn - Plowhorn - Rockbreaker - Scrapper - Scrounger - Snapmaw - Spikesnout - StingspawnBS - Sunwing - Tideripper - WaterwingBS - Widemaw
Combat Class Clawstrider - Corruptor - Dreadwing - Grimhorn - HorusBS - Ravager - Scorcher - Shellsnapper - Slaughterspine - Slitherfang - Specter - Specter Prime - Stalker - Stormbird - Thunderjaw - Tremortusk
Recon Class Longleg - Redeye Watcher - Skydrifter - Tallneck
Transport Class Behemoth - Bellowback - Leaplasher - Rollerback - Shell-Walker
Unknown Class Defense DroneBS
Variants Apex machine - Corrupted machineBS
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