While playing Horizon Forbidden West, players will encounter red crystals known as Fire Glitter. Here is a guide to help you...
Horizon Forbidden West Sandy Sea Walkthrough
Butcher79
Passage of the story mission "Sandy Sea" in Horizon Forbidden West.
Job level: 22
Demand: Automatically run after a job Echo cradle
Reward: +12000 XP, +2 Skill Points
Walkthrough "Sandy Sea" Horizon Forbidden West
Leave the base and start moving south towards the ruins of Las Vegas. On your way south, you may come across Stillsands Tallneck. It's worth overriding it to clear most of the map. Once in place, you need to find a way to access the ruins underground above a vast exploration area. The access zone is shown on the map and in-game screenshots below. Once you get close to it, the game will spawn the next target.
Enter the flooded pagoda via the stairs and enter the camp. Leave the camp and go further south to the Machine Herd to find the parts you need. Activate your Focus to highlight the footprints in the center of the ruined arena.
Now, while in the Focus view, select the tracks, exit the Focus view, and start following them. At the end of the trails you will meet a herd of different machines: a cleaning water canister digger and an ice globe. You can ignore them if you want, but we suggest defeating them for materials.
After you ignore or get rid of the vehicles, reactivate your Focus to highlight the tracks again and follow them out of the ruins. They will be shown as purple triangles.
Soon you will encounter a new herd of different machines: Longlegs, Lealpashers and Frostfurs. This time you must kill the machines. Identify their weaknesses and plan accordingly. Once you have collected what you need, you can return to the camp to collect the second part, the compressed air capsule. At the camp, enter the water shaft and dive halfway to get a compressed air capsule. You need to be fast, it's way down and you'll run out of steam if you stay too long.
Now swim back and return to Morlund to tell him you have the details. Go to Morlund's Workbench to begin crafting the Diving Mask, a special breathing apparatus that allows you to dive to great depths without having to resurface to get oxygen.
With our new respite, we went to look for POSEIDON. Dive into the water where you found the compressed air capsule. Keep swimming through the open doors. There is only one way forward here. You dive down and up and can speed up. Eventually, you will come across a Tideripper car (don't forget to scan it) in a massive domed area. From the door you entered, the left side has too much current for Aloy, so we need to head to the right side. POSEIDON is under a giant hole in the ground, but before we can access it, we need to turn off the current and especially get rid of the Wavemaker.
As you float towards the right side of the dome, head towards the red light.
Approach the red light and pull the switch to drain the water. However, something went wrong and we first need to fix the pump units. Swim up and back and keep moving towards the waypoints while hiding from the next few vehicles, especially the Snapmaw (don't forget to scan it). Enter the pipe and keep swimming down until you reach a room where you can swim back to the surface.
Instead, stay underwater and head to the left of the path you entered, then resurface to find a ladder you can climb up. Now run back to access the valve and open it. Return to the sunken city right now. We need to go to the second node. Once you return to the sunken city, follow the waypoint leading to the second node, again try to avoid the enemy vehicles.
At the end of the path, swim back to the surface and make your way to the valve using the yellow ladder. However, this valve will not budge and must be loosened. There is a fiery sheen on the rusty bridge that you can destroy (be careful, it explodes) which will allow you to move the valve. Now return to the sunken city and head to the pump service station. Follow the signs to enter the common area of the pump service station. The entrance to the pump maintenance station is located between the rubble next to the pump station tower. From there, swim down and open the doors. Keep swimming along the main path through the doors until you reach the third and final door to open.
From here, swim to reach the console panel and activate the holoprojector, which will drain the space. We can now resume our search for POSEIDON. Return to the dome and follow the signs. Tideripper is a giant dragon-like machine. His weaknesses are shock and cold damage, so prioritize those elements against him. It also has a weak spot near its front fins and midway through its body. You can scan the car at the beginning of the fight to highlight weak spots.
Feel free to speak to Morlund and his crew if you wish, or head to POSEIDON immediately. Open the door and keep going until you enter the server room. Finally, POSEIDON. Simply insert the GAIA core into POSEIDON to restore it.
Return to the place where you fought Tideripper and use the yellow ladder to quickly climb up. Then enter the building and go up to the second floor to find a ladder leading up. In the next area, run back to the elevator shaft. Activate the elevator to return to the surface. Finally, exit the ruins. Time to return to the Base and give POSEIDON to GAY. You can use the bonfire to get back quickly. Return to GAIA's room to add POSEIDON to her matrix.
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