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Honkai: Star Rail

Legend of the Cosmicon Collective Mission Guide

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Honkai Star Rail - Legend of the Cosmicon Collective

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

How to Unlock Legend of the Cosmicon Collective

Talk to Sampo in World's End Tavern

Talk to Sampo, who can be found near the Tavern Lobby Space Anchor in World's End Tavern.

World's End Tavern Treasure Chest Locations

Legend of the Cosmicon Collective Walkthrough

Mission Walkthrough

  • Step 1: Challenge Cosmicon Collective Duelists
  • Step 2: Head to World's End Tavern and speak with Sampo

Challenge Cosmicon Collective Duelists

You will need to challenge the following Cosmicon Collective duelists:

Click on a name to view their location!

You can mostly challenge them in any order. However, you cannot challenge Kondor last because he will disappear if you leave him for last. The mission will proceed whether you get to challenge him or not as long as you challenge all duelists in the list.

"Elder" Kendor in Duomension City

Card Trashcan
3 Attack / 2 Defense

Kendor can be found in the south west part of the @EntertainmentPlaza area in Duomension City.

Like previously mentioned, Kendor will be unavailable for a duel if you challenge him last. If you leave him for last, Sampo will appear in his place and inform you that the Elder won't be able to make it.

Duomension City Treasure Chest Locations

"Raining Man" Umbralle in Dovebrook District

Card Grunt: Security Personnel
3 Attack / 2 Defense

Umbralle is located southwest of Toxicape. They'll be standing by the staircase of a mahjong game room in Dovebrook District.

Dovebrook District Treasure Chest Locations

"Demon Hunter" ☆ Magical ☆ Middleager ☆ in Graphia Academy

Card Trailblazemon
3 Attack / 3 Defense

☆ Magical ☆ Middleager ☆ is located beside the east stairs in the courtyard of Graphia Academy.

Graphia Academy Treasure Chest Locations

"Antiquated Scholar" Singafar in World's End Tavern

Card Trashcan
3 Attack / 2 Defense

Singafar can be found along the outer walkway on the F2 Tavern Lobby area in World's End Tavern.

World's End Tavern Treasure Chest Locations

Head to World’s End Tavern and Speak With Sampo

HSR Legend of the Cosmicon Collective Challenge Dinocto

Return to World's End Tavern and talk to Sampo in his usual spot near the Tavern Lobby Space Anchor. He will reveal that there is one last duelist that we must defeat, Dinocto.

Dinocto uses the Phainon card and it's recommended to use a card that has at least 3 defense value so he won't be able to siphon his HP Back. The mission will end after defeating him and having one last conversation with Sampo.

Legend of the Cosmicon Collective Rewards

Mission Rewards
Star Rail - Stellar Jade Item Stellar Jade x10 Star Rail - Condensed Aether Item Condensed Aether x4 Star Rail - Credit Item Credit x5000

Aventurine Character Card

Completing this mission will reward you with the Aventurine Character Card, which you can use in Cosmicon Collective!

All Cosmicon Collective Opponent Locations

Get Furbobocom Subscriptions

HSR Get Furbobocom Subscriptions

Completing this mission also lets you publish a new article in Furbobocom that will earn you 4 Subscriptions!

Furbobocom Rewards and Features

Honkai: Star Rail Related Guides

All Missions and Mission Types

All Planarcadia Mission Guides

Planarcadia Mission Guides
A Bouquet for the Blessed Bring Its Eyes Legend of the Cosmicon Collective
Millennium Killer Star Traveler: Human Transformation The Comic With No Answers
Thirty First Dates Touched in 8-Bit

All Adventure Missions

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