See how to complete Opet Hall puzzles and where to find the Sacred Seals and Dendroculus in this Genshin Impact guide! Find out how to get more clearance to access Opet Hall, and its location here!

Opet Hall Location

Found under The Mausoleum of King Deshret

Opet Hall is an underground desert ruin unlocked by playing through the The Secret of Al-Ahmar quest in Golden Slumber. Getting to this location is a necessary step to complete the quest and unlock the hidden waypoints underneath The Mausoelum of King Deshret.

The Secret of Al-Ahmar Quest Guide

How to Get Inside Opet Hall

The entrance to Opet Hall is below the Teleport Waypoint. You can see the entrance by a pillar with a Dendroculus above it. Open the door by interacting the Plinth of the Sacred Rites.

Opet Hall Puzzles Guide

Opet Hall Primal Ember Puzzle

The main puzzle in Opet Hall is the searching for the Primal Embers in The Secret of Al-Ahmar quest. You can solve this puzzle by unlocking the Primal Ember rooms with the Everlight Cell.

	Opet Hall Primal Ember Walkthrough
1	Inside the lower entrance, go upstairs, then head to the left corridor.
2	Once you're inside the big room with multiple Everlight Cells, rotate the cells nearest to the right door and open it by linking up both cells.
3	Defeat the Primal Construct inside. There should be a Sacred Seal inside too!
4	Obtain the floating inverted triangle and put it on the Keystone to spawn the Primal Ember.
5	Release the Primal Ember and follow it.
6	When it goes outside a door, you'll notice another locked Primal Ember. Do this first before proceeding.
7	Move the cell from the left side to the right side nearest to the door.
8	Wait for the cell to open the door.
9	Collect the Forged Primal Light behind you.
10	Place the Primal Lights on the Keystone to make another cell.
11	Move the first cell back to its original position.
12	Second Primal Ember will unlock.
13	Guide the two Primal Embers to their Torches to complete this puzzle!

Opet Hall Everlight Cells Puzzle

Opet Hall Precious Chest Puzzle

Link all four Everlight Cells to the middle floating cells to open the Precious Chest.

Opet Hall Left and Right Doors

You can open the left or right doors by beaming the cells nearest to the door with the Everlight Cells. The left door gives you access to the Primal Obelisk, while the right door gives you access to the Primal Ember.

Opet Hall Verity Cell Puzzle

	Verity Cell Puzzle Walkthrough
1	Go behind the mechanism that shows a map inside Opet Hall.
2	Unlock the Verity Cell using the Plinth of the Secret Rites with Level 4 Clearance, which you can get after clearing the Dual Evidence quest.
3	Use the Verity Cell to materialize the four torches overseeing the Great Hall of Truths.
4	Attack with Pyro to light those torches up and loot the Precious Chest that'll appear.

Opet Hall Primal Obelisk

Seals Needed	Sacred Seal Valley x1 Sacred Seal Thunderstrike x1 Sacred Seal Danger x1 Sacred Seal Sunrise x1 Sacred Seal Crocodile Head x2

The Primal Obelisk in Opet Hall is found in the Everlight Cell room. You can access the Obelisk by projecting the beams to the cells nearest to the left door.

Primal Obelisk Puzzle Guide in Sumeru

Opet Hall Hourglass Puzzle

	Opet Hall Primal Sandglass Walkthrough
1	Before the Everlight Cell room, open the door on the right and get the Forged Primal Light.
2	Jump the wall and put the Primal Lights to the platform to spawn the Hourglass.
3	Start the Primal Sandglass time trial challenge by flipping the Hourglass on the other side. You'll have to enter from the back, as there are invisible walls if you try to climb.
4	Flip the hourglasses. One is just inside the Forged Primal Light room, and the other is what you created earlier.
6	A Common Chest will be your reward.

Primal Sandglass Puzzle Guide in Sumeru

Opet Hall Sacred Seals

	Opet Hall Sacred Seals Locations
1	Sacred Seal: Crocodile Head • Behind the Teleport Waypoint, make your way to the Fatui Camp and head to the path on your right.
2	Sacred Seal: Sunrise • Outside Opet Hall in the lower area by a Fatui enacampment.
3	Sacred Seal: Danger • Outside Opet Hall in the upper area by a Fatui enacampment.
4	Sacred Seal: Valley • Upon entering the lower entrance, go to the right path. The Seal is sitting by the wall.
5	Sacred Seal: Crocodile Head • Inside the Primal Ember room deep in Opet Hall.

Sacred Seals Locations and Puzzle Guide

Opet Hall Dendroculus

	Opet Hall Dendroculus Locations
1	Outside the waypoint in The Mausoleum of King Deshret during The Secret of Al-Ahmar quest. Make your way above the statues where you can find the Dendroculus on the top floor by some pillars.
2	En route to Opet Hall. It is on top of the big statue.
3	South of the teleport waypoint below Opet Hall. The Dendroculus is on top of the pillar
4	Inside Opet Hall, complete a Primal Sandglass puzzle in the room for a Four-Leaf Sigil to appear above, which will get you to the Dendroculus. You can also just climb.
5	On top of the ruins, go behind the hologram room to get to the Dendroculus.

Desert Dendroculus Locations

Genshin Impact Related Guides

Sumeru Region Map Guide

Guides to Sumeru Areas

Sumeru Area Guides
Rainforest Area	Desert Area

Guide to Desert Regions

Sumeru Desert Guides
The Great Red Sand	Desert of Hadramaveth	Girdle of the Sands

Guides to Important Sumeru Features

The Great Red Sand World Quests

The Great Red Sand Puzzles and Features

Guides for Sumeru Features
Desert Mirages	Night Murals
Invisible Walls	How to Increase Clearance
Primal Obelisks	Sacred Seal Locations
Replicator Keystones	Forged Primal Lights
Primal Embers and Torches	Primal Beam Transmissions
Plinth of the Secret Rites	Verity Cells
Primal Sandglass	Obscuring Cell
Large Fan Blade	The Mausoleum of King Deshret
The Dune of Magma	The Dune of Elusion
The Dune of Carouses	Abdju Road
Opet Hall	Duat Hall
Sekhem Hall	Place of Rebirth
Place of Breath	Place of Swallowing
Great Hall of Truths	Aaru's Shut
Khemenu Temple	Shrine of Depths

Enemies in the The Great Red Sand

Enemy and Boss Guides
Algorithm of Semi-Intransient Matrix	Primal Constructs
Eremite Stone Enchanter	Eremite Galehunter

Living Creatures in the The Great Red Sand

Wildlife in the The Great Red Sand

Wildlife in the The Great Red Sand
Desert Sumpter Beast	Scorpion	Red Vulture
Scarab	Quicksand Unagi	Desert Fox

Items in the The Great Red Sand

Items found in the The Great Red Sand
Ajilenakh Nut	Henna Berry

All Interactive Map Guides

All Interactive Map Guides