The Subterranean Trials of Drake and Serpent include the Trail of Drake and Serpent. Afterimage of Aru will send your on a trial to recover three Reins of Revival which you would then stitch together with the Golden Bridle. One of these can be obtained in this subquest.
Begin by going to the Evernight Temple quest marker. You will be asked to follow the Bathysmal Vihaps’ trail. These are three spots that you can investigate within the ruin-like cave.
To continue, you will need to interact with all three Investigate locations. After completing the quest, you will be asked to activate a nearby device in order to access the secret room.
As you approach the area, Rockfond Rifthound Whelps may appear. To unlock the mechanism and open the secret area, defeat them.
The secret room contains a puzzle. You can activate the mechanisms to the left and right by interfacing with them. The middle one must be attacked with a Normal Attack in order to activate.
You can communicate with them in the following order:
- Step 1 You can interact with the mechanism to the left.
- Step 2 Interact with another mechanism in the room—the one that can switch between Whitenight and Evernight. You must ensure that it is Set to Whitenight.
- Step 3The mechanism in the middle should be attacked thrice. This should cause the stone wall to collapse between the second pillar and third.
- Step 4Use the link to interact with the mechanism.
- Step 5:You can interact with the mechanism at the right.
Once you have solved the puzzle, it is possible to go further into the secret room. To unlock the Chest, defeat the Rifthounds and get the Quest Item. Reins of Revival Fragment, Tempe.
Our guide is available here How to complete The Entrance to Tokoyo World Quest in Enkanomiya Genshin ImpactAs a prerequisite for the larger The Subterranean Trials of Drake or Serpent World Quest.