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Horizon Zero Dawn: Main Quest Guide | Full Story Walkthrough

March 19, 2017 by Hayden Russell

Hunt your way through the wild and dangerous world of Horizon Zero Dawn with Gameranx’s Comprehensive Walkthrough Guide!


Table of Contents

  • Main Quest 1: A Gift From the Past
  • Main Quest 2: Lessons of the Wild
  • Main Quest 3: The Point of the Spear
  • Main Quest 4: Mother’s Heart
  • Main Quest 5: The Proving
  • Main Quest 6: The Womb of the Mountain
  • Main Quest 7: A Seeker at the Gates
  • Main Quest 8: The War Chief’s Trail
  • Main Quest 9: Revenge of the Nora
  • Main Quest 10: The City of the Sun
  • Main Quest 11: Field of the Fallen
  • Main Quest 12: Into the Borderlands
  • Main Quest 13: The Sun Shall Fall
  • Main Quest 14: Maker’s End
  • Main Quest 15: The Grave-Hoard
  • Main Quest 16: To Curse the Darkness
  • Main Quest 18: The Terror of the Sun
  • Main Quest 19: The Heart of the Nora
  • Main Quest 20: The Mountain that Fell
  • Main Quest 21: The Looming Shadow
  • Main Quest 22: The Face of Extinction

Main Quest 17: Deep Secrets of the Earth

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To begin this mission, you need to head north to Sunfall. Once you get deep enough into the city, a cutscene will play. After the cutscene, just keep following the marker. Once you arrive inside the citadel, another cutscene will play.

Once you’re done, head out of the Citadel and to your left. There are some spires and ledges. parkour across and keep following the marker. Once you get to the ground, examine the wooden door. BOLD If you cross this, you will not be able to go participate in other side quests, this is a point of no return! BOLD

Once you enter, a cutscene will play. You’ll be in a cavern now, just explore and follow the markers. Eventually, another cutscene will play, sit back and enjoy. After the cutscene, continue through the door and down the hall. On the other side of the door will be some enemies. Just sneak around and get them with silent attacks. Once you’ve defeated them, search around the area for holopoints. Once you’re ready, head through the next door.

Once you pass through, another cutscene will play, continue through the next door afterwards. Search the area for holopoints, when you’re ready to leave, continue through the next door. As soon as you go through, a group of enemies will appear. They’re tough, so you may have to resort to throwing your bombs at them. After defeating them, keep searching the area for holopoints.

Once you get to a locked door, turn left and descend the staircase. Use your expert unlocking skills to unlock the door downstairs, proceed through, ascend the ladder, and climb through the tunnel, and pick up the small doughnut. Run back down and place it in the lock. Now align the locks as you normally do, but notice that this time, the sign for them is upside down, so just input the opposite of what you would normally read from the lock map.

Run back upstairs and go through the door, a cutscene will play, and then you’ll be in a room full of enemies. Take them out as you would normally. After you take care of the first round, five more will come down, and then another five. Just stay alive and you’ll be fine.

After the skirmish, continue searching around and making your way to the office. Once you get there, it will be locked and you’ll find more Eclipse soldiers. Sneak your way down and take them out quietly. Once you’re done, follow the markers. This will go on for quite a while, so take your time and enjoy the holopoints as you explore.

Once you finally arrive at the office, pry it open using triangle. Walk into the office and access the terminal in the center of the room (it’s glowing orange), you’ll be treated to a cutscene and the mission will end.


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