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Safekeeping Mystery Walkthrough

By
Matt Chard
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In Hell is Us, you’ll unlock mysteries as you explore Hadea. These are enigmas and puzzles that, for the most part, require you to think outside the box to complete them. Once you’ve finished a Mystery, you will receive rewards such as Drone Modules, Glyphs, Gear, and Relics for your trouble. Read on to find out how to start and finish the "Safekeeping" iconSafekeeping Mystery and what you will get as a reward for completing it.

Safekeeping is a Mystery in Lake Cynon.

Table of Contents

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How to Unlock Safekeeping

Safekeeping is a Mystery that starts in Lake Cynon and ends in the Acasa Marshes. To begin the Mystery, you’ll need to have access to the Mead Factory in Lake Cynon. This becomes accessible after Abbot Jaffer and Rebecca escape the Acasa Marshes, which happens after you obtain the "Gospel of Teaar" iconGospel of Teaar in Locke’s room in Lethe - National Library. Once you have access to the Mead Factory (the house opposite the reservoir puzzle), head inside and pick up the note: "Letter - Safekeeping" iconLetter - Safekeeping and the "Key - Rustic" iconKey - Rustic.

(1 of 3) The Mead Factory is in the northern corner of Lake Cynon, opposite the reservoir puzzle.

Acasa Marshes Rose Chest Location

If you had fully explored the Acasa Marshes, you would have found a chest in the alcove opposite Pathem Abbey, which had a rose-like engraving. Well, the Key you just picked up from Lake Cynon is for this chest, so make your way back to the marshes and head across the marsh until you reach Pathem Abbey. From the entrance, follow the wall left, and you’ll reach an alleyway. Go down the alleyway and look to your left to find the alcove. Head inside and use the Rustic Key on the chest to get your reward and complete the Mystery.

(1 of 3) From the Pathem Abbey entrance, follow the northern wall, and go southeast up the narrow path.

Safekeeping Rewards

The reward for this Mystery is the contents of the chest you unlock. Inside, you’ll find the following item:

Type Item Notes
Relic (Passive) "The Panoptic Eudemon" iconThe Panoptic Eudemon Mercurial Ward: Accept your fickle destiny, periodically negating one strike from the enemy.

That’s it for the Safekeeping Mystery. It’s a short and easy quest once you have access to the Mead Factory in Lake Cynon; however, you’ll need to progress the story until both Rebecca and Abbot Jaffer escape the marshes.

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Guide Information
  • Guide Release
    31 August 2025
  • Last Updated
    4 September 2025
    Version History
  • Guide Author

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No map. No quest markers. No magical compass. Follow your instincts.

If war is the closest we get to hell on earth, it’s because Earth harbours the worst of demons: humankind. In an isolated country ravaged by infighting, discover the secrets of your past and deal with the repercussions of a mysterious calamity. The guide for Hell is Us will contain the following:

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