How to complete the Seeds of the Past main quest in Horizon Forbidden West

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Seeds of the Past is the main quest you’ll tackle when searching for the Demeter subordinate AI in Horizon Forbidden West. It’s the most challenging of the initial three main quests from GAIA and pushes you almost as far west as you can go on the map. This guide explains how to complete the quest so you get through it as fast as possible.

When you arrive at Demeter’s coordinates, you’ll immediately be attacked by a group of soldiers. They’re part of a tribe you won’t recognize, but all you need to know is that you need to kill them all. Once they’re dead, head into the building and go to the second floor. There’s a zip line you can use to get into the central hub of this location, the Greenhouse.

Explore the Greenhouse and head into the large building with the hologram outside. A Metal Flower blocks the main path, so use the Pullcaster to open a new one in a side room. You’ll need to climb an elevator shaft to reach a room where you can learn more about the Metal Flowers and how they were made. Then, it’s time to head down into a new central arena to kill more of those soldiers from earlier.

Kill these soldiers and continue to explore the area. When you enter the open building, you’ll meet Alva. She’s an interesting character that also has a Focus, meaning she and Aloy can work together on much more complex matters than your usual companions.

After using the consoles in the main building, Aloy and Alva descend into the tunnels below the facility. Explore these carefully because there are legendary treasure caches to find in every dead end. The way out is a ladder, so if you find that and know you’ve got more tunnels