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"That machine looks like it could flatten boulders, trees... me."
―Aloy

The Rollerback is a machine in Horizon Forbidden West.

Appearance[]

The chassis and overall structure of the Rollerback resembles a Pangolin or an Ankylosaurus. Its back is lined with metal plates, as well as its bulky, club-like tail. In its neck are adhesive sacs it uses to spit adhesives and in its back are four resource cores. A container-like object hangs from its belly, somewhat like the cargo container of a Behemoth. On the backside of its back, there is no plating, revealing two cooling cores above the top and a massive gravity magnet. It has four thrusters, one pair on the back end, near the generator, and the other midway from the tail on the top. It has Acid Canisters on the bottom of the tail and a big, hammer like mechanism at the end.

Behavior[]

True to its name, the Rollerback is capable of rolling into a ball, and flattening anything in its path, leaving a trail of fire behind. Using thrusters around it body, it is capable of propelling itself forward, into the sky and also gravel the ground as attacks. The Rollerback Gravity Generator allow it to magnetically recall all torn off armor pieces back to itself as well as magnetically attack its cargo container to its stomach if the crate holders have been destroyed. The later is done only when it feels safe and not during combat.

Abilities[]

Rollerbacks are able to roll themselves into a ball and propel themselves with its thrusters, allowing to move around and turn quickly, and even jump into the air, spinning fast, and crashing into a threat. It can also spit adhesive agent onto enemies to slow them, allowing it to roll on them or hit them with its tail easier. If an enemy is behind the machine, it will strike with its tail or activate its thrusters to burn anyone behind. It can also use its gravity generator to manipulate its plating, launching it at other enemies and reattaching it after its launched or torn off.

Weaknesses[]

The Rollerback can have its adhesives destroyed to prevent it from spitting, and ripping off its tail prevents it from attacking with the tail strikes. Doing enough damage to the generator will cause a massive explosion, destroying the generator and blowing off some armor plating, preventing the Rollerback from manipulating its armor. Like the Behemoth, the claw holding the container can be shot off, allowing the crate it was holding to be looted.

After using its thrusters, they will overheat temporarily, making them more susceptible to damage.

Attacks[]

Name Windup Time Stance Damage Damage Area Trigger Range Description
Burndozer Medium Rolling 250 Melee

Crushed Crushed 17

Fire-Icon 15/s

Fire-Icon 15/s buildup

10m - 26m Rolls into ball and uses Thrusters to move at high speed, generating a trail of residual Fire damage areas. Can turn and chain up to three rolls or transition into Gravel Spray attack.
Mega-Crush Hammer Short/Medium Grounded 265 Melee

Crushed Crushed 17

- 10m - 26m Raises tail and slams it down up to three times, generating a shockwave and a Tremor effect.
Sweep and Launch Short/Medium Grounded 200 Melee - 10m - 20m Tumbles towards target and swipes with tail as it uncurls. Can follow up if it misses.
Hammer Swing Short/Medium Grounded 200 Melee

Crushed Crushed 17

- 10m - 20m Spins 360o while swinging Hammer Tail. Keeps spinning two more times if it misses, and enters a knockdown state if it misses every swing.
Blast Off Short Rolling 300 Melee

Crushed Crushed 17

- 12m - 27m Revs up by rolling in place and using Thrusters to blast upwards towards target before slamming down. Impact generates massive blast and spreads shockwaves. Can repeat up to three times.
Adhesive Shot Short/Medium Grounded 100 Ranged

Adhesive-Icon 100

Adhesive-Icon 32 buildup

Adhesive-Icon 10/s

Adhesive-Icon 5/s buildup

9m - 39m Stands on hind legs and spits up to three globs of Adhesive, exploding on impact and leaving residual Adhesive damage areas. Often follows up with Burndozer or Blast Off after inflicting Slowed state.
Gravel Spray Short/Medium Rolling 36 Ranged/hit - 14m - 34m Spins in place while boosting with Thrusters, kicking up a stream of debris towards target.
Thruster Burst Short/Medium Grounded Fire-Icon 286

Fire-Icon 114 buildup

Fire-Icon 15/s

Fire-Icon 15/s buildup

5m - 21m Ignites Thrusters and unleashes a flaming blast behind it, covering the ground in residual Fire damage areas.

Components[]

Name Variant Image Description Attributes
Body All Hard outer casing to protect synthetic muscle and operational systems. None
Adhesive Sac All Adhesive storage. Destroy to disable Adhesive attacks or leave intact to add loot to the carcass.
  • Explosive
  • Attack Removal
  • Persists When Killed
  • Contains Resources If Intact
Resource Container All Internal resource storage. Only accessible after protective armor plates have been removed. Tear off to collect its contents.
  • Detachable
  • Contains Valuable Resources
  • Destroyed When Killed
Cargo Holders All Sturdy cargo clamps. Detach or destroy to collect resources from the cargo container.
  • Detachable
  • Ability Removal
  • Contains Valuable Resources
  • Destroyed When Killed
Cooling Block All Heat ventilation system. Tear off to collect its contents.
  • Detachable
  • Contains Valuable Resources
  • Destroyed When Killed
Gravity Generator All Anti-gravity system used to attract and reattach armor plates. Produces a large concussive shockwave when destroyed.
  • Explosive
  • Ability Removal
  • Persists When Killed
  • Contains Resources If Intact
Thruster All Powerful propulsion units that enable rapid mobility. Glows red when overheated and becomes especially vulnerable to damage.
  • Weak Spot
Acid Canister Standard Metalbite storage. Tear off to collect this resource or shoot with an Acid Arrow to detonate.
  • Chain Reaction
  • Detachable
  • Contains Valuable Resources
  • Destroyed When Killed
Sparker Apex 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
Hammer Tail All A massive primary bludgeoning weapon. Detach or destroy to disable key attacks with its tail.
  • Detachable
  • Attack Removal
  • Destroyed When Killed
  • Key Upgrade Resource

Loot[]

Body

Adhesive Sac

Resource Container

Cooling Block

Gravity Generator

Acid Canister

Hammer Tail

Body

Adhesive Sac

Resource Container

Cooling Block

Gravity Generator

Sparker

Hammer Tail

Variants[]

Variant Weakness Strength
Rollerback Corruption-Icon Acid Freeze-Icon Frost

Shock-Icon Shock

Apex Rollerback Freeze-Icon Frost Corruption-Icon Acid

Shock-Icon Shock

Gallery[]


Machines
Horizon Zero Dawn
Acquisition Class Broadhead - Charger - Fireclaw - Frostclaw - Glinthawk - Grazer - Lancehorn - Rockbreaker - Scrapper - Snapmaw - Strider - Trampler
Chariot Class Corruptor - Deathbringer - Metal Devil
Combat Class Ravager - Sawtooth - Scorcher - Stalker - Stormbird - Thunderjaw
Communication Class Tallneck
Recon Class Longleg - Watcher (Redeye Watcher)
Transport Class Behemoth - Bellowback - Shell-Walker
Unknown Class Control Tower
Horizon Forbidden West
Acquisition Class Bilegut - Bristleback - Clamberjaw - Fanghorn - Plowhorn - Scrounger - Spikesnout - Stingspawn - Sunwing - Tideripper - Waterwing - Widemaw
Combat Class Clawstrider - Dreadwing - Grimhorn - Shellsnapper - Slaughterspine - Slitherfang - Specter - Specter Prime - Tremortusk
Recon Class Burrower - Skydrifter
Transport Class Leaplasher - Rollerback
Unknown Class Defense Drone
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