Double proof is the first part of the Old notes and new friends chain of world missions in Genshin Impact. Old notes and new friends is the continuation of Golden sleep chain of missions. Here is our guide on how to start Dual Evidence Research, along with the walkthrough and its rewards.

How to unlock and start Dual Evidence World Quest in Genshin Impact

After completing Golden Slumber IV: Dreams beneath the burning sands, wait for the daily reset and teleport to Aaru’s village. The movie will automatically activate and the search will begin.

Genshin Impact Dual Evidence World Quest Walkthrough

To the Great Hall of Truths

Enter Aaru Village with Kalantari. Use the Scarlet Sand Slate to move to the next position. The whiteboard will be in your inventory “Research” section. It works similar to the Aranyaka book. Teleport to the Dune of Magma waypoint. Enter the Magma Dune and turn off the energy barriers on both sides. Go right. Go ahead and turn left to find a Primordial Ember. Release it.

MAGMA Dune
Image via HoYoverse

A fan is blowing from below, wait for it to stop blowing and release the Primordial Ember. She keeps following him until she unlocks a door. She enters the room and jumps to the floor below. There is a notable chest here that can be unlocked by solving a puzzle, but it is unrelated to research.

Genshin Impact Dual Evidence World Quest
Image via HoYoverse

Go to the side of the room and slide down the hole all the way. Follow the path into the cave. A hidden teleportation waypoint will be made available for unlocking. Enter the ruins ahead. Follow the seelie inside. It will lead you to Duat Hall. Another hidden teleportation waypoint will be made available for unlocking.

Place of Rebirth

Use the Scarlet sand slate to navigate to the Place of Rebirth. Teleport to the waypoint above the Magma Dune. From the teleport point, use the four-leaf clover to enter a hole with a Dendroculus. Keep going until you find a Primal Ember. Release it and follow it until it joins a Primal Torch. Follow the path beside the Primal torch until you reach a room with pyrotechnic torches.

Genshin Impact Dual Evidence World Quest
Image via HoYoverse

Go to the left side of the room and find a blue triangle. Pick it up and stand on the square mechanism on the floor. This will generate a Cell of truth. Collect the prism from the Verity cell and approach the invisible pyrotechnic torches to make them visible. Turn them all on. Defeat spawned enemies.

Truth Cell
Image via HoYoverse

Release the Primordial Ember and follow it to the Primordial Torch. The water in the other room will be turned down. Follow the path on the other side of the Primal Torch to enter the other room. Move the cells so that they face the receivers on the same side. Release the Primordial Ember and follow it to the Primordial Torch. A cutscene will play which will increase your distance.

Place of breath

Use the scarlet stone slate to reach the place of breath. Teleport to the Temple of Chemenu crossing point. Follow the stone marker to a room with transmitters and receivers. Destroy the rock and rotate the cell to open the door. Jump into the hole with the Dendroculus. Keep following the stone marker until you reach a hidden teleportation point, unlock it.

Genshin Impact Dual Evidence World Quest
Image via HoYoverse

Enter the large room and move to the right. Keep going until you find a corridor to the right. Go down the corridor and release the Primordial Ember at the end. When on a Primal Applique next to a fan, operate the mechanism to stop the fan and then release the Primal Ember. Follow the primal embers to a locked primal shelter. Defeating spawning enemies will unlock it. Release it and follow both Primal Embers to their Primal Torches.

Go back to the room where you found the last primordial ember and open the locked door. Enter the room and activate the elevator. Face the room when the elevator starts moving. Pop out when you see a room with a Primordial Applique. Release and follow the Primordial Ember to its Primordial Sconce. A cutscene will play and your permission will be increased.

Place of swallowing

Use the Scarlet stone slate to navigate to the Place of Swallowing. Teleport to the waypoint with the stone marker. Enter the large room. There are three Primal Embers here and all of them are near the entrance. Use the four-leaf clover to reach the first Primal Ember and release it. When resting on a Primal Sconce, wait for the fan below to stop blowing and then release it. Follow him to his Primal Torch.

Place of swallowing
Image via HoYoverse

Return to the teleportation point and slide to the platform below. There is another Primal Ember, drop him. When he rests on a Primal Sconce, he waits for the fan to stop blowing and then releases it. Follow him to his Primal Torch. Return to the teleportation point and release the Primordial Ember to the left of the entrance. Release it.

Genshin Impact Dual Evidence World Quest
Image via HoYoverse

When resting on a Primal Sconce, wait for the fan to stop blowing and then release it. Follow him to his Primal Torch. Once all three primal torches are activated, a cutscene will play and your distance will increase.

Final battle

Follow the stone marker to reach a large room. Go to the four corners of the room and operate the mechanisms. Approach the mechanism in the middle. A movie will be played. You will be sent to another room. Follow the markers to find the Primordial Embers, release them and follow them. Enemies will spawn, defeating them is optional.

Genshin Impact Dual Evidence World Quest
Image via HoYoverse

Once you have collected all the Primordial Embers, activate the main mechanism. A cutscene will play and you will be taken to the roof of Mausoleum of King Deshret. Defeat the Field annihilation array. Open the precious chest to get an Aaru Lockdown Record. Return to Aaru’s village and talk to Soheil.

Rewards for completing the Genshin Impact Dual Evidence worldwide mission

With this, Double proof comes to an end. you will receive 60 Primogem as a reward. This quest unlocks various underground puzzles with luxurious and precious chests. These puzzles have not been covered here as they are unrelated to this quest. These chests will also give a lot of primogems, so be sure to unlock them.

Double proof is the first part of Old notes and new friends. A sequel called Soheil’s wish it will be unlocked upon completion Double proof.

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Philip Owell

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