Eye of the Cosmos is an Adventure Mission in Honkai: Star Rail. Check out how to unlock this mission, its walkthrough, and its rewards for completion in this guide!

Eye of the Cosmos Information

How to Unlock Eye of the Cosmos

How to Unlock	Reach Trailblaze Level 34 and above
	Finish For I Have Touched the Sky
	Respond to Xikui's Message

Finish For I Have Touched the Sky

To unlock Eye of the Cosmos, you must first finish the For I Have Touched the Sky Companion Mission.

For I Have Touched the Sky Mission Guide

Respond to Xikui's Message

After completing Yukong's Companion Mission, you will get a text message from Xikui. Respond to it and you will unlock the Eye of the Cosmos Adventure Mission.

Eye of the Cosmos Walkthrough

Eye of the Cosmos Difficulty I Walkthrough

	Mission Walkthrough
1	After responding to Xikui's message, look for Wenwen nearby and talk to her to proceed.
2	Wenwen will talk to you about the Heron Express and you will unlock the Eye of the Cosmos Warring Expedition. Select the first difficulty and proceed.
3	Enter the Warring Expedition and speak to Ziqiao inside. She will explain how the Expedition works. Head to the Cycrane roost and defeat the monsters.
4	After the battle, you have to fix the roost. Do the Abacus Circuitry puzzle to proceed with flying the Cycrane.
5	Once the roost has been fixed, you can fly the Cycrane and find the objects. The first object is a Starskiff nearby, so identify it using the Cycrane immediately.
6	One of the objectives is a stranded Cycrane on top of a crate. Fly forward until you see it on one of the high crates.
7	The last object is another Starskiff on top of crates. You can find it at the edge of the area, just after the crates where the stranded Cycrane was.
8	Finish the dialogue and you will have completed Difficulty I of the Eye of the Cosmos!

Eye of the Cosmos Difficulty II Walkthrough

	Mission Walkthrough
1	After talking to Wenwen, select the Difficulty II option then proceed.
2	Once again, Ziqiao will brief you about the situation. Head to the Cycrane roost and defeat the monsters. Beware of the Malefic Ape, make sure you are prepared!
3	After the battle, you have to fix the roost. Do the Abacus Circuitry puzzle to proceed with flying the Cycrane. Note that this time, there are tiles that teleport the pieces around.
4	Once the roost has been fixed, you can fly the Cycrane and find the objects. The first object is a Starskiff on top of a roof, so ascend to find it.
5	You will then be moved to the next area. The second object is a Starskiff under the terrace. Descend at the highlighted area to find it.
6	In the next area, one of the objectives is a Cycrane below the Matrix of Prescience. Descend until you see the Cycrane standing near the edge and identify it.
7	The last object is a Starskiff above the base terminal's dome. Ascend in the highlighted area until you see it then identify it.
8	Finish the dialogue and you will have completed Difficulty II of the Eye of the Cosmos!

Eye of the Cosmos Difficulty III Walkthrough

	Mission Walkthrough
1	After talking to Wenwen, select the Difficulty III option then proceed.
2	Once again, Ziqiao will brief you about the situation. Head to the Cycrane roost nearby to start flying the Cycrane.
3	The first object is a Starskiff stuck in the roots. Fly the Cycrane near the roots and you should be able to identify it.
4	You will then be moved to the next area. First, identify the source of the strange signal which are monsters on a terrace.
5	In the same area after identifying the monsters, the second object is a Starskiff stuck on a roof. Ascend in the highlighted area to find it on a high roof.
6	That will mark the end of the Cycrane's flight. Xikui will appear and inform you of a culprit who has been tampering with the Cycranes. Interact with the roost and choose Elixir Research Terrace.
7	Fly the Cycrane in the highlighted area until you see a person crouching near a box. Identify the person and they will turn out to be the culprit Xikui mentioned.
8	The culprit will start to run so follow the culprit with the Cycrane until they get cornered into a dead end. From there, you and Xikui will face the culprit and a battle will commence.
9	During the battle, beware of Aurumaton Gatekeeper and Disciples of Sanctus Medicus: Shape Shifter. After the battle, progress the dialogue and you will have completed Difficulty III of the Eye of the Cosmos!

Eye of the Cosmos Rewards

All Eye of the Cosmos Rewards

Mission Rewards
Credit x5000

All Rewards From the Warring Expedition Activity

Warring Expedition Rewards
Stellar Jade x180	Traveler's Guide x9	Refined Aether x9
Messenger Traversing Hackerspace x4	Credit x90000

The following rewards are not actually from the quest. Instead, they are rewards for completing the Eye of the Cosmos Warring Expedition on all difficulties.

This also includes the Stellar Jade from completing all Objectives on each difficulty.

Honkai: Star Rail Related Guides

All Missions and Mission Types

All The Xianzhou Luofu Mission Guides

All Adventure Missions