Horizon Zero Dawn

Story related, cannot be missed.

THE CITY OF THE SUN

Aloy journeys to Meridian in search of Olin, the Oseram scrounger she met the night before the Proving. Somehow the killers targeted her through Olin's Focus - a mystery she can only solve by finding him... and making him talk.

Rewards:

• +6000 XP
• +1 Skill Point

Objective Log:

1. Go to Meridian: Head to the capital of the Carja Sundom.
2. Talk to the Checkpoint Commander: When you arrive at Meridian, approach the Checkpoint Commander to trigger a scene.
3. Follow Erend: Follow Erend until a scene triggers. Keep following him again until he breaks into Olin's apartment.
4. Investigate Olin's Apartment: Use your Focus to scan for clues by scanning the Rug on the lower level. Move the rug out of the way and then head upstairs, climb the ladder, and push the Stacked Ingots off the platform. This will break through the hatch. Now enter the secret room.
5. Investigate Olin's Secret Workshop: Search for evidence that reveals Olin's current whereabouts and his motivations. You do this by using the Focus of the Datapoint, Map, Journal and interacting with them,
6. Talk to Erend: Talk to Erend to discuss your findings. This also gives you a new Main Quest called: "The Field of the Fallen". For now, keep focus on this current Main Quest instead.
7. Find Olin at the Excavation Site: Head to the location that was marked on the map to find Olin.
8. Enter the Excavation Site: This is triggered automatically.
9. Kill the Corruptors and the Cultists: Kill everything in the area.
10. Talk to Olin: After the fight, talk to Olin to learn what he knows and decide his fate.

MARKER'S END

Aloy seeks to learn more about the mysterious woman who looks like her among the crumbling ruins of an ancient city.

Rewards:

• +7000 XP
• +1 Skill Point

Objective Log:

1. Go to Marker's End: Travel to Marker's End and search for clues of the unknown woman's identity. As you get closer, you get two different objectives.
2. Loot the Equipment Stash (OPTIONAL): Loot everything to see what the mysterious stranger left for you. This is optional, but you might as well loot it as you will come across this loot along the way before reaching the ruins.
3. Go to the Ruins: Go to the place where Olin found an image of the unknown woman.
4. Investigate the Explosions: Keep going until a cutscene triggers.
5. Kill the Cultists and the Deathbringer: Kill all enemies in the area in order to enter the Ruin.
6. Loot the Eclipse Officer: After the battle, loot the Eclipse Officer to trigger a cutscene.
7. Investigate the Rubble: Squeeze through the crack that is blocking the entrance to the Ruin.
8. Search for information about Elisabet Sobeck: Simply move forward until the objective updates.
9. Go to Ted Faro's Office: Head to the top of the Ruin (Floor 12).
10. Search Faro's Office for information about Dr. Sobeck: Examine the FAS Executive Data Storage.
11. Scan the Datapoint: Scan the Datapoint on the table.
12. Watch the Hologram: The Hologram is what comes out of the Datapoint.
13. Scan the Datapoint: Scan the Datapoint again.
14. Watch the Hologram: The Hologram is what comes out of the Datapoint.
15. Scan the Datapoint: Scan the next Datapoint.
16. Watch the Hologram: Just watch and listen to the Hologram.
17. Exit the Ruin: Walk to Ted Faro's Private Elevator to trigger a cutscene and conversation with Sylens. Once you've completed the conversation, the trophy will unlock.