You will get the objective to make an offering at the perches during the ‘A Particularly Particular Author’ world quest in the Tsurumi Island, which was introduced in Genshin Impact 2.2 update. This article shows the location of all three feathers in Shirikoro Peak. Click here to check the complete walkthrough of ‘A Particularly Particular Author’ world quest.
Talk to Ruu at the central portion of Shirikoro Peak at the location shown below. The Perch Tree is near Ruu. Touch the perch to start the offering process.
The feathers are underwater. To reach the feathers, you will have to drain out the water. To drain out the water you will have to chase three Seelie to their court in front of Ruu.
In front of Ruu, you will find a Seelie on a tree as shown below. Jump on the tree to reach the Seelie and then chase the Seelie to its’s court.
Another Seelie is south of Ruu’s location as shown below. Chase the Seelie to its’s court.
The third Seelie is on top of the water on the west side of Ruu as shown below. Chase the Seelie to its’s court.
Once all the three Seelies are back to its court, the water will drain out. Jump down to reach the three feathers. Touch one feather to send it back to the tree. The other two feathers will move away as you come near them.
As you chase the two feathers, they will pass through a locked door. To unlock the door, you will have to interact with the cubical switch next to it. The switch is sealed. Solve the relay stone puzzle here to unseal the switch.
After crossing the locked door, touch one of the feathers to send it back to the tree. The other feather will go away as you come near it. This Seelie will pass through another locked door. To unlock the door, you will have to interact with the cubical switch next to it. The switch is sealed. Chase the three Seelies here to their court to drain out the water and then Solve the relay stone puzzle to unseal the switch.
Go through the door and touch the feather to send it to the tree. Now go back to the tree and complete the offering process.