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"That thing is huge; and built to fight."
―Aloy, upon sighting a Thunderjaw

The Thunderjaw is a machine in Horizon Zero Dawn. It is considered an Apex Combat machine, meaning that it is one of the largest and most dangerous of all machines. Its size, power, and array of highly damaging attacks -- ranged and melee --make it the most feared machine among the tribes, so much so that the machine has attained an almost legendary status.

Appearance

The Thunderjaw is a huge bipedal machine with features akin to those of a theropod dinosaur, particularly the Tyrannosaurus Rex: powerful and bulky legs, a long body, and a heavy tail to maintain equilibrium. As its name suggests, the head of the Thunderjaw features two sets of appendages resembling mandibles that spread to the sides when it roars.

Its visual sensor array is composed of six sensors on each side of the head, arranged in a staggered vertical configuration of three side by side. Twin cannons are affixed to the sides of its mandibles, one on each side. There is an additional energy beam weapon in its mouth. An array of Blaze canisters is on its back, heavily protected by armor plating. Under its belly is an array of similarly protected Chillwater canisters. Attached to each hip is a weapon known as a Disc Launcher. On its lower back are three long, antenna-like structures. The tip of its tail is armed with a pair of scythe-like fins, used in combat when the Thunderjaw swings its tail.

The Thunderjaw seems to be a much larger and more combat-oriented cousin of the Watcher, as both resemble theropod dinosaurs, have no forelimbs, a long tail, and scanning equipment in their heads.

History

Like the Sawtooth, the Thunderjaw only began appearing during the Derangement, a phenomenon in recent years that began when GAIA's machine-building subordinate function called HEPHAESTUS became an independent entity, no longer under GAIA's direction. The HEPHAESTUS AI soon began to see humans as a great threat to its machines and in response developed more aggressive, combat-oriented predators. Possibly developed from unused terraforming designs, the Thunderjaw represents the pinnacle of the combat class, potentially surpassing the fighting capabilities of even the FAS-FSP5 Khopesh. It shakes the earth with every step and few enemies, mechanical or organic, would dare attack it.

According to Hunters Lodge manuscripts, Ahsis was the first human to ever face and bring down a Thunderjaw, and its wrecked carcass now hangs from the ceiling of the Hunters Lodge House in Meridian. Although this event was the first time the Carja ever encountered Thunderjaws, the machines existed for some time before; a pair of Thunderjaws were seen in the Nora territory of the Embrace on the day of Aloy's Naming Ritual, over 9 years earlier.

At one point, a Thunderjaw known as Redmaw terrorized the Sundom. Many hunting parties were sent out to kill it but to no avail, giving it a reputation among the Carja as a legendary, immortal beast. Eventually tracked down, Ahsis and Talanah of the Hunters Lodge both went to take the monster down, and it was destroyed by Talanah and Aloy after it fatally wounded Ahsis.

The Eclipse managed to capture and corrupt a Thunderjaw for use during their assault on the Nora. How they managed to do so is unknown, but it was used to great effect during their attack on All-Mother Mountain, where its Disc Launchers pounded the door of the facility until Aloy arrived and defeated it.

Abilities

Like all machines with the exception of the Tallneck, a Thunderjaw will attack a human on sight. The Thunderjaw is armed with a variety of weapons and will employ an array of ranged and melee attacks.

  • Ranged attacks
    • Disc Launcher: A pair of launchers that fire hovering discs. These hover above the Thunderjaw and lock onto an enemy with a targeting beam before raining down on the enemy with extreme force. Homing, Barrage, 360 Attack.
    • Cannon Burst: The cannons mounted on the sides of the Thunderjaw's mandibles, after a brief charging-up, discharge a rapid burst of blue energy blasts. Lead Up, Side to Side.
    • Laser Sweep: Like the mandibular cannons, the Thunderjaw will charge up these energy weapons briefly before blasting the target with golden energy beams in a fan pattern.
  • Melee
    • Bite Attack: The Thunderjaw snaps at the enemy with its mandibles.
    • Rushing Bite Attack: The Thunderjaw charges and snaps at the enemy.
    • Charge: The Thunderjaw rams the enemy with its sheer weight and size.
    • Foot Stomp: The Thunderjaw shakes the ground with a powerful foot stomp, disrupting the enemy's ability to stand and move.
    • Tail Slam: The Thunderjaw brings its tail down on a target, crushing it.
    • Tail Swipe: The Thunderjaw swings its tail, sending a target flying.
  • Defense: The Thunderjaw is heavily armored and very resistant to damage. It is also very resistant to shock weapons.
  • Utility: The Thunderjaw is equipped with a radar scanner that, when activated, will detect even hidden threats such as Aloy if she is concealed in tall grass.

Weaknesses

As formidable as they are in open combat, the Thunderjaw has a number of weak points that can be used to bring it down.

  • Heart: This core component takes some effort to reach, being covered by armor plating, but hits to this area inflict massive damage to the Thunderjaw.
  • Canisters and Power Cell: The Thunderjaw has a Freeze and Blaze canister positioned at different points of its body. Hitting the Blaze canister with Fire Arrows will trigger an explosion and set the machine on fire, while hitting the Freeze canister with Freeze Arrows will slow the machine down and make it more susceptible to damage. Hitting the Power Cell under the machine's tail with Shock Arrows will also cause an explosion.
  • Disc Launchers: The Thunderjaw's most formidable weapons can be used against itself if severed with Tear weapons, and can easily blast through its thick armor while inflicting heavy damage.
  • Data Nexus: This "brain" component will deal extra damage, although not as much as hits to the Heart.

Components

Image: Component: Information: Weakness: Strength:
Thunderjaw-Body Body Hard outer casing to protect synthetic muscle and operational systems. None Shock Shock-Icon
Thunderjaw-BlazeCanister Blaze Canister Shooting this canister with Fire will trigger an elemental explosion. Shoot off this component to collect Blaze. Fire Fire-Icon
Tear Tear-Icon
None
Thunderjaw-DataNexus Data Nexus Hitting this component deals greater damage to the machine. All None
Thunderjaw-DiscLauncher Disc Launcher This heavy weapon can be picked up and used after it has been detached from the machine. Tear Tear-Icon None
Thunderjaw-FreezeCanister Freeze Canister Shooting this canister with Freeze will trigger an elemental explosion. Chillwater can be looted from this canister. Freeze Freeze-Icon
Tear Tear-Icon
None
Thunderjaw-Heart Heart Hitting this component deals greater damage to the machine. All None
Thunderjaw-PowerCell Power Cell Shooting this component with Shock will trigger an elemental explosion. Sparker can be looted from this component. Shock Shock-Icon
Tear Tear-Icon
None
Thunderjaw-Radar Radar Destroying this component disables the scanning ability. Tear Tear-Icon None
Thunderjaw-Cannon Cannon Destroying these components disables Cannon attacks. Tear Tear-Icon None
Thunderjaw-Tail Tail Destroying this component disables the Tail attacks. Tear Tear-Icon None

Loot


Trivia

  • According to a tweet from @dejongemathijs, the Thunderjaw stands at 9 meters tall, taller than a two story building, and 24 meters from head to tail. This makes it over twice the size of a Tyrannosaurus Rex.
  • Thunderjaws are perhaps the most famous machines in Horizon Zero Dawn. Aloy's battle with a Thunderjaw first showcased the game at E3 2015, a massive poster of one was draped on the side of a building in Los Angeles to advertise the game at E3 2016, and the game's box art depicts Aloy fighting one.
  • Thunderjaws have 271 animations, 93 destructible armor plates, 12 unique attacks, 67 visuals and 550,000 polygons.
  • If one wants to easily bring down a Thunderjaw, it is highly recommended to acquire the Shield Weaver suit, which gives Aloy a powerful rechargeable personal energy shield that will absorb multiple hits from even the Thunderjaw's main weapons and will prevent her from being knocked over by the Thunderjaw's ranged attacks.
  • According to Herman Hulst, the managing director for Guerrilla Games, the Thunderjaw was the first machine implemented into the game. The total development time took a year and a half.

Gallery

In-Game

Concept Art

Machines
Acquisition Class Broadhead - Charger - Glinthawk - Grazer - Lancehorn - Rockbreaker - Scrapper - Snapmaw - Strider - Trampler
Combat Class Ravager - Sawtooth - Stalker - Stormbird - Thunderjaw
Recon Class Longleg - Watcher (Redeye Watcher) - Tallneck
Transport Class Behemoth - Fire Bellowback - Freeze Bellowback - Shell-Walker
Chariot Class Corrupted Machines - Corruptor - Deathbringer - Metal Devil

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