Forgotten Chapel Side Mission Guide – Outriders

In the Canyon of the Grand Obelisk map there is a secret legendary chest you can unlock by finding hidden keystones. This chest will reward you with a legendary item for finding it. Given the nature of legendary items in Outriders it is worth the effort to find this chest. To help you find the chest we’ve put together a quick Forgotten Chapel side mission guide. Consult it below to unlock the legendary chest.

Keystones in Canyon of the Grand Obelisk Locations Map

Image showing the Secret Pillars Canyon of the Grand Obelisk Locations Map.

There are a total of six secret stone keystones you need to find and interact with in the Canyon of the Grand Obelisk. Once these six keystones have been interacted with you will unlock a special chest containing a legendary. This process takes a little bit to complete, but is well worth the effort. For details on each keystones location see the headings below.

Keystone 1 Location: Canyon Entrance

Image showing the first stone pillar location in the Canyon of the Grand Obelisk.

The first stone keystone can be found in the Canyon Entrance area to the east of the Camp. Head to this area and run up the north path when you are presented a Y in the path when leaving the Camp. Follow the path up to the left to reach first stone keystone. Interact with the keystone to activate it.

Keystone 2 Location: Canyon Entrance

Image showing the second stone pillar location in the Canyon of the Grand Obelisk.

The second stone keystone can also be found in the Canyon Entrance area. This keystone is located in the southern most point of the area. To reach this keystone simply head forward until you reach the first stone gate along the path. Instead of going through the gate hang a right and go up the path to reach a building. Inside the building is the second stone keystone.

Keystone 3 Location: Pillaged Crypts

Image showing the Pillaged Crypts keystone in Outriders.

From the Canyon Entrance make your way into the Pillaged Crypts area. In this area head to the very end of the location to find the third stone keystone. Fairly straightforward to find this one. It is on the edge of the cliff at the end of the pathway.

Keystone 4 Location: Ruined Altar

Image showing the Ruined Altar keystone location in Outriders.

Leave the Pillaged Crypts and head to the Ruined Altar. In the Ruined Altar area look for the pedestal on the platform near the gate. You have to push it to advance the story/get deeper in the area. A blue cog will appear over it when your can pish it after clearing the area.

Keystone 5 Location: Monolith Bridge

Image showing the Monolith Bridge keystone location in Outriders.

Continue forward through the Cliffside Path to the round area with multiple paths. Take the path that leads to the Monolith Bridge. On the Monolith Bridge clear the enemies to trigger the stone keystone that opens the door. Interact with this keystone to trigger it.

Keystone 6 Location: The Monolith

Image showing The Monolith Keystone location in Outriders.

The final keystone is located at the very end of the level in The Monolith. Run past the glowing and follow the path to the east until you reach stairs leading up. At the top of the stairs there is the final keystone we need to push. Push it.

Keystone Chest Location: Cliffside Path

Once you’ve activated all six of the keystones in the Canyon of the Grand Obelisk you unlock a special room. This special room is located along the Cliffside Path. Make your way back to the Cliffside Path to find a gate that can now be opened. Use the keystone to open the game. Inside this gate you will find a room that has the legendary chest inside it.

Completing this hidden side quest earns you a legendary and progress in the game’s Squaretasking achievement. This hidden side mission must be completed to reach 100% completion of the game. See the full list of Outriders side quest in our list here.

Thoughts on our Forgotten Chapel side mission guide? Drop them in The Pit below.

enricofairme

Starting the site back in 2016, Eli has poured blood, sweat and tears into making HtR a premiere spot for neckbeards and nerds alike.

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2 responses

  1. Zak Meakin says:

    I couldn’t do mine because the first keystone glitched and stayed stuck up

  2. Zak Meakin says:

    I couldn’t do mine because the first keystone glitched and stayed stuck up after I had found them all

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