Everything you need to know about Pentos Algea’s Tomb (Watcher’s Nest, Vyssa Hills) in Hell Is Us, and how to unlock it.

Hell Is Us is as much a puzzle game as it is an action-adventure experience. While the combat in this title isn’t particularly challenging, the same cannot be said about the puzzles. Some of the puzzles in Hell Is Us can be incredibly tricky and often require a thorough investigation of the surroundings. One such early-game puzzle is Pentos Algea’s Tomb.
This is easily the trickiest puzzle in Hell Is Us’ Act 1. You essentially need to slot four plates into their correct places. However, the game only provides very vague hints on where you actually need to place the plates. Thankfully, if you take a closer look at Watcher’s Nest, you can easily figure out the solution to this puzzle. Here’s a comprehensive guide on how to unlock Pentos Algea’s Tomb (Watcher’s Nest) in Hell Is Us.
Also Read: Hell Is Us: All Achievements and Trophies
Where To Find Pentos Algea’s Tomb in Hell Is Us?

Algea’s Tomb is part of the main story in Hell Is Us; as such, it’s not missable. You reach this location in Act 1 after arriving at Vyssa Hills. To get to the Tomb, you need to locate the Watcher’s Nest, which is a secret hideout of the Vigil. Once you head inside the Watcher’s Nest, Algea’s Tomb can be found within a broken wall. Before you reach the Watcher’s Nest, your Investigations will give you a small hint at how to unlock the Tomb.
Within the Watcher’s nest, you will find a ton of recordings, notes, and documents detailing Vigil, its founding fathers, and the Calamity. Within these documents and scriptures, you will find hints on how to unlock Algea’s Tomb.
Also Read: Hell Is Us: How To Solve the Cave Door Puzzles in Senedra Forest
How To Unlock Pentos Algea’s Tomb in Hell Is Us

To unlock Pentos Algea’s Tomb, you first need to obtain 4 ceramic flowers. The ceramic flowers can be found on the Tomb itself, accessible via the broken wall in Watcher’s Nest. Furthermore, once you have the ceramic flowers, you need to place them in their correct location. The hint to placing the ceramic flower (plates) is “Through his name, his title, the symbol of his order, and the date of the inception of his order, shall the path be revealed.”
You essentially need to find Pentos Algea’s title, the symbol of his order, and the date of the inception of said order. It’s a little tricky to figure out, but you can gather clues in Watcher’s Nest to help you solve this riddle. Here is the list of locations where you need to place the ceramic flower plates:
- Grief symbol (refer to Algea’s Tomb and nearby scriptures) near the stone roundtable.
- Vigil symbol (book with a knife) towards the end of the entrance hallway.
- Crest on the right side of the blue banner, on the wall adjacent to the entrance hallway.
- Crest beside Algea’s nameplate, on the wall behind the whiteboard.
Once you place all the plates in the right order, Algea’s Tomb will unlock, giving you access to the Blue Flower Scroll. Do note that you can place these plates in any order, as long as they’re placed in their designated locations.

We provide the latest news and create guides for Hell Is Us. Meanwhile, you can check out the following articles or catch us playing games on YouTube: