Horizon Forbidden West: Tremortusk - boss, how to beat? Horizon Forbidden West guide, walkthrough
This page of the Horizon Forbidden West guide contains the description of the duel with the boss Tremortusk - a mechanical mammoth from the main quest The Broken Sky.
Last update: 28 June 2022
On this page of the guide to Horizon 2 Forbidden West you'll find a walkthrough of the boss fight against the Tremortusk - a mechanical mammoth encountered in The Broken Sky main quest. Our walkthrough will tell you how to prepare for the battle against the mammoth, how to weaken it, avoid its powerful attacks and how to handle the boss' minions.
Location of the Tremortusk in The Broken Sky quest
You'll encounter the Tremortusk during The Broken Sky main story quest. The confrontation takes place shortly after you're tasked with obtaining a cannon to break the Bulwark's wall.
Aloy and Kotallo will arrive at the area where the rebels managed to dominate the Tremortusk. You must destroy the mammoth to obtain the cannon.
Boss battle description
Just like usual, you should start the battle by scanning the Tremortusk and reading through its tab in the machine catalogue. You'll learn that the mammoth is weak to frost.
Prepare a ranged weapon (or several of them) which can deal frost damage. The Cleaving Sharpshot Bow you got from Dekka can come in handy for removing the opponent's armor, as well as frost traps you should set up before you're spotted.
Carefully reading through all of the mammoth's tabs in the machine catalogue can also make the battle easier. You'll learn about its weak points and elements allowing it to attack you at range. These are mainly its tusks, its blaze sac (it's easy to destroy, but if you do so you'll miss out on some loot) and its cannons (Plasma Cannon, Shock Cannon, Salvo Cannon).
Once the battle begins you should prioritize the elements mentioned above - not only to weaken the mammoth but to also prevent it from using its full movepool.
During the fight you should keep your distance from the mammoth, although you must remember it can still attack you at range. Keep moving to avoid its bombardments and other ranged attacks, use the indestructible cover present on the battlefield if you can.
The rebels will also participate in the fight, but Kotallo can draw their attention - or try to do so, at least. Prioritise attacking the Tremortusk whenever you can, as it's by far the biggest threat. Regarding the rebels, you should focus on dodging their attacks and running away from them until you have an opportunity to attack the mammoth again.
After dispatching the Tremortusk eliminate the remaining rebels - you can kill them from a distance or in melee combat.
Search the mammoth's remains. You'll be rewarded with plenty of loot and the cannon, as shown in a cutscene. You can now progress with The Broken Sky quest.