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Horizon Forbidden West (HFW)

His Final Act Walkthrough

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┣ Complete Quests → Quest Walkthroughs
┣ Learn the Best Skills → Best Skills
┣ Collect Gear → List of Weapons / Outfits
┣ Collect All Legendaries → All Legendary Weapons/Outfits
┗ Take Down Machines → List of Enemy Machines
★The Ver. 1.08 Patch is now Available!

His Final Act is one of the main quests in Horizon Forbidden West: Burning Shores (HFW). Read on to see a detailed walkthrough of the quest, its rewards, location, and how to defeat the Horus.

Previous Quest Current Quest Next Quest
For His Amusement His Final Act Epilogue

His Final Act Overview

Basic Information

His Final Act
Quest Giver Seyka
Description Aloy and Seyka confront Londra in a final showdown - and the fight of their lives.
Rewards ・40000 XP
・4 Skill Points
・Specter Vision
・New challenge tier (The Arena)
Recommended Level 50

His Final Act Walkthrough

Objectives
1 Meet Seyka and Go to the Horus' Cooling System
Head to the campfire and wait for Seyka. After the cutscene, head to the marked location and defeat the surrounding Corruptors. Players should also make use of the multiple blaze drums in the clearing to defeat them faster.
2 Go to the Horus' Cooling System
The next section of the quest will be up to the player's liking, either stealth or combat. Players can choose to avoid both the spotlight of the Assault Drill and the attention of the on-ground enemies. Hide between patches of grass, use smoke bombs or throw rocks to divert the machines' attention. On the other hand, players can choose to dive straight into combat and charge through, defeating the on-ground enemies.
3 Kill the Corrupted Clamberjaws
Near the cooling system, players will have to defeat the corrupted Clamberjaws, which are weak to electric attacks.
4 Find a Way to Sabotage the Pump
At the cooling system, scan the device to find the heat sinks on either side. Approach these heat sinks, grab, then pull. Seyka will destroy the first while Aloy has to destroy the second.
5 Overheat and Intercept the Horus
After the cutscene, Aloy will land on some ruins near a beach. Use the grappling and climbable points to go to the beach where the Horus is headed.
6 Destroy the Abdominal Heat Sink
Follow the Horus to the beach and use your focus to scan for the heat sink's location. It will be on one of the sides of the main body's lower portion in the center. Players can grapple up the nearby column to get a better angle. While aiming, make sure to watch out for its attacks with its legs as it can destroy the column you are on. Once this first heat sink is destroyed, it will release a powerful electric attack so make sure to run away from its center.
7 Climb Up the Horus to Destroy the Heat Sink Cover
Corruptors will also appear on the beach, so it's best to get rid of them so that players can focus on the other heat sinks. The next heat sink will be covered on the side of the main body, much higher than the previous one. To get there Aloy will need to go to one of the rock ledges on the beach and use the climbable points on the legs to get up there and use her grapple strike (tap x while in the air). Make sure to time jumping on correctly as it can be tricky with the leg moving around a lot.
8 Destroy the Side Heat Sink
Once players destroy the cover, similar to before, aim and attack it from the ground. Use the focus to scan for its location. Once destroyed, watch out again for its massive electric blast.
9 Go to the Horus and Destroy the Tentacles' Heat Sinks
Once Aloy gets close enough to the Horus near the water, she will be surrounded on all sides by the Horus' arms and a border of fire. The next objective would be to destroy the 4 Tentacles' Heat Sinks within this blocked area. All of the tentacles will attack and at one point lodge itself into the sand enough for Aloy to destroy each heat sink. Go around each tentacle to spot its heat sink on the side closest to the Horus. Take note of which heat sink you already destroyed to position yourself correctly to run to the next one.
10 Destroy the Primary Heat Sink on the Front
Once all four are destroyed scan the main body of the Horus to see its primary heat sink. It will be a sphere with some blue circles on its surface, easily spotted at the center of the main body.
11 Find an Entrance to the Horus
After cutscene Aloy will go underwater to chase the Horus. Use the boost points to get their faster. Once close enough, Aloy can enter through a spot with a red glowing dot and some shining blue light through a round door.
12 Climb Up the Horus' Interior
Once players reach the circular red room with some rotating climbable points, make your way up by going around and looking for another clombable bar and a grappling point on the next level.
13 Climb Up the Horus' Interior
Head to one of the bars pointing towards the center then climb up the machine's central column then to the right.
14 Find a Way to Londra
Once you get through the vent area, there will be a part where waves of electricity are going down the path. Move forward then move to the area on the right to avoid the wave then keep moving forward. Repeat this until you reach the end.
15 Defeat Walter Londra
Once you exit the vent, you will need to defeat Londra and his electrical attacks. For the first phase, follow the wires connected to the device and shoot the glowing orange nodes. After which, go to either side of the room and press the prompt to destroy the power distributor.
16 Defeat Walter Londra
For the second phase, Aloy needs to attack the connecters inside the forcefield. However, players must time it right because the forcefield will only go down directly after Londra releases his electrical wave attack. Make sure to dodge/avoid this attack otherwise Aloy will miss the chance to shoot the nodes and the forcefield will be back up again. Once all of these nodes are destroyed, approach Londra and select the prompt to destroy the processing orb..
17 Head to Fleet's End then Talk to Seyka Where You First Met
After letting Sylens' message play out, head over to Fleet's End (up the ramps where the admiral is) and speak to both the admiral and Seyka. Afterwards, players can also speak to Kina, Seyka's sister, in the path to the north east of Fleet's End before heading to where Seyka is and ending the quest.

▸Next Quest: Epilogue

His Final Act Tips and Strategies

Main Quest Tips

Equip Fire Weapons

Players will encounter a lot of Corruptors in this quest. Inflict Fire buildup against them through weapons or barrels in the environment.

Mark the Enemy's Path, Prepare Smoke Bombs, Throw Rocks

Majority of the beginning of the quest will require you to sneak past enemies with the use of tall grasses. Be mindful of the machine's spotlight as well as the path of the enemies on the ground. Players can also use smoke bombs if they get caught by on-ground enemies to reset their stealth. Another strategy would be to throw rocks to divert their attention.

Use the Focus to Scan for the Heat Sink

During the Final Boss fight, make sure to find an opening to use your scan to look for the heat sinks. Keep moving around the Horus to find a better angle to aim for all while dodging the heat sink's projectiles and melee attacks.

Equip an Outfit with Fire and Shock Resistance

The final bosses will release a lot fire and electric elemental attacks. Especially during your fight against Londra, it can be difficult to aim and attack when these elements have built up on Aloy so make sure to prepare an appropriate outfit with these resistances.

Londra's Attack Patterns

During the final boss fight, watch out for the electrical waves from the devices near Londra and the glowing red vents shooting up from the ground. Also, there will be floaty orbs that slowly approach Aloy, so shoot them before they reach you.

Horizon Forbidden West Related Guides

Horizon Forbidden West - List of All Quests Partial.png
List of All Quests

List of All Quest Types

Main Story
Story Walkthrough & Main Quests
Optional Quests
Side Quests Errands
Salvage Contracts Hunting Grounds
Rebel Camps Relic Ruins
Tallnecks Cauldrons
The Arena Gauntlet Runs
Rebel Outposts Melee Pits

List of All Main Quests

No. Quest
1 Reach for the Stars
2 The Point of the Lance
3 To the Brink
4 The Embassy
5 Death's Door
6 The Dying Lands
7 The Eye of the Earth
8 The Broken Sky
9 The Kulrut
10 Cradle of Echoes
11 The Sea of Sands
12 Seeds of the Past
13 Faro's Tomb
14 Gemini
15 All That Remains
16 The Wings of the Ten
17 Singularity
18 To the Burning Shores
19 Heaven and Earth
20 The Stars in Their Eyes
21 For His Amusement
22 His Final Act
23 Epilogue

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