Honkai Star Rail Hidden Quests: Locations & how to unlock

In the expansive universe that Honkai Star Rail offers up, there’s plenty to get stuck into - including Hidden Quests. Whether you’re a questing fanatic or simply want to get down to turn-based battling, you’re able to find something to focus on.

If you are one of the former and want to get absolutely every quest completed in the game, if you weren’t already aware, there are in fact Honkai Star Rail Hidden Quests that can be uncovered.

As the name suggests, you’re not going to be stumbling across these on your average adventures so knowing how to unlock them is key. To help you with that, we’ll be detailing all of the Hidden Quests in Honkai Star Rail as well as how to unlock each of them so you can get to tackling this pretty extensive list.

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Honkai Star Rail Hidden Quests: Locations & how to unlock

As promised, here are all the current Honkai Star Rail Hidden Quests for you to unlock. These are listed in alphabetical order rather than by location, so keep that in mind when travelling around.

80% New Thermal Mining Pickaxe

• Location: Boulder Town, Jarilo VI, southeast of the Goethe Grand Hotel Space Anchor
• How to unlock: Talk to Antonia in the Goethe Grand Hotel Space Anchor

All Is Fair in Love and War

• Location: Near Starwatcher Avenue Space Anchor Central Starskiff Haven, Xianzou Luofu
• How to unlock: Participate and cheat in the Competitive Eater Championship near the Starwatcher Avenue Space Anchor to win

An Odd Meeting Place

• Location: Northwest area of Supply Zone F2, Herta Space Station
• How to unlock: Investigate the area and come back the next day

Bernard’s Signal Log

• Location: Near Watcher Zone Space Anchor in Master Control Zone, Herta Space Station
• How to unlock: Complete the To: The Faint Star quest and then interact with Bernard

Bronya’s Desk

• Location: Near Bronya in Qlipoth Fort, Jarilo VI
• How to unlock: Mess up the Supreme Guardian desk

Cold Dragon Young

• Location: Inside the Fight Club, Jarilo VI
• How to unlock: Listen to the Fanatical Combat Enthusiasts and give them a photo of Cold Dragon Young

Comet Hunter’s Letter

• Location: Supply Zone north of Railway Platform Space Anchor, Herta Space Station
• How to unlock: Collect three paper cranes after completing the Out of Reach quest

Companions in Express

• Location: Astral Express
• How to unlock: Interact with characters after completing their Companion Mission

Cup of “Coffee”

• Location: Western Storage Zone F1, Herta Space Station
• How to unlock: Investigate and then take five sips from the cup of coffee on the table

Dark Fist Tournament

• Location: Near Fight Club Space Anchor in Boulder Town, Jarilo VI
• How to unlock: Secure the invitation inside the Fight Club and interact with the Mysterious Kid located outside

Dazzling Golden Watch

• Location: Administrative District, Jarilo VI
• How to unlock: Interact with the suitcase in the train station and return the item to the owner

Disposable

• Location: Various places, Herta Space Station
• How to unlock: Interact with 6 Herta Dolls.

Domination

• Location: Xianzou Luofu
• How to unlock: Use the Trailblazer to fight against Kafka

Door to a New World

• Location: Supply Zone F2, Herta Space Station
• How to unlock: Investigate the toilet near the Spare Parts Warehouse Space Anchor

Fair and Square

• Location: Near the Starwatcher Avenue Space Anchor, Central Starskiff Haven, Xianzou Luofu
• How to unlock: Take part in the Competitive Eater Championship and offer diplomacy to other contestants

Free Food in the Underworld

• Location: Southeast Boulder Town, Jarilo VI
• How to unlock: Participate in the Competitive Eater Championship by talking to Turner

From Hero to Zero

• Location: Near the Starwatcher Avenue Space Anchor, Central Starskiff Haven, Xianzou Luofu
• How to unlock: Take part in the Competitive Eater Championship and keep eating until you faint

Heron Express’s Gratitude

• Location: Near Starskiff Jetty Space Anchor, Central Starskiff Haven, Xianzou Luofu
• How to unlock: Interact with Ziqiao

Hexanexus

• Location: Various places in Xianzou Luofu
• How to unlock: Complete Hex Club puzzles

Immortal in a Vase

• Location: Near Synwood Pavilion Space Anchor, Exalting Sanctum, Xianzou Luofu
• How to unlock: Break the vase multiple times and put the trash in the vase

Insatiable

• Location: Near Natasha’s Clinic, Jarilo VI
• How to unlock: Acquire the Vomit Inducing Recipe from Maxime and synthesize it 

Lā Lá Lǎ Là Land

• Location: Near Golden Theater Space Anchor, Administrative District, Jarilo VI
• How to unlock: Interact with Tamila

Language Module

• Location: Administrative District & Boulder Town, Jarilo VI
• How to unlock: Get the Language Module from Ronald in the Administrative District then give it to Fidora in Boulder Town

Little Robots

• Location: Various locations in Herta Space Station
• How to unlock: Force shut down six little robots

Luminflux Pyxis

• Location: East Artisanship Commission, Xianzou Luofu
• How to unlock: Talk to Master Gongshu and help him with the Luminflux Pyxis

Manhole

• Location: Near Golden Theater Space Anchor, Administrative District, Jarilo VI
• How to unlock: Check the manhole

Mare’s Note

• Location: Master Control Zone, Herta Space Station
• How to unlock: Inspect the bookshelf east of Central Passage Space Anchor for a note. Once found, give the note back to Mare

Memory Bubble

• Location: Various places in Herta Space Station
• How to unlock: Interact with Memory Bubbles

Mini-Neutron Bomb

• Location: West Starskiff Jetty Space Anchor, Central Starskiff Haven, Xianzou Luofu
• How to unlock: Investigate the boxes

Misdelivered Letter

• Location: Administrative District, Jarilo VI
• How to unlock: Collect the four letters in this area then talk to Manya

Mole’s Hide-and-Seek

• Location: Middle Boulder Town, Jarilo VI
• How to unlock: Play hide and seek with Hook and friends

Moral Higher Ground

• Location: Silvermane Guard Restricted Zone, Outpost Space Anchor, Jarilo VI
• How to unlock: Destroy the barrel near the Public Property Protector and defeat the Protector in the subsequent battle

Mutare Magnus

• Location: Near Conclave Hall Space Anchor, Divination Commission, Xianzou Luofu
• How to unlock: Talk to Huuixing and help with divinations

Mysterious Researcher

• Location: Storage Zone F2 near Special Purpose Lab Space Anchor, Herta Space Station
• How to unlock: Investigate the table and talk to the researcher called “this old one”

Natural Immunity

• Location: Boulder Town, Jarilo VI
• How to unlock: During the A Sunset Rendezvous Trailblaze Mission interact with Gertie for the first time

Origami Cranes

• Location: Supply Zone F2, south Electrical Room Space Anchor, Herta Space Station
• How to unlock: Pick up Origami Cranes

Outworlder

• Location: Rivet Town, Jarilo VI
• How to unlock: Pick up the Dirty Ribbon Tied to a Bell from a Warp Trotter then go back near the Entrance of Rivet Town and interact with the Weak Female Voice. After acquiring the Damaged Music Box, go to the eastern area of Rivet Town and talk to the Anxious Girl

Peculiar Glaive

• Location: West Starskiff Jetty Space Anchor, Central Starskiff Haven, Xianzou Luofu
• How to unlock: Interact with the Glaive and an Unfamiliar Man will approach you. Go to the Realm-Keeping Commission Chancery in Exalted Sanctum after talking to the man then talk to Jingyan

Phonograph

• Location: Astral Express
• How to unlock: Interact with the Phonograph and change the music

Pom-Pom’s Troubles

• Location: Astral Express
• How to unlock: Help Pom-Pom when asked

Praise of High Morals

• Location: Various places
• How to unlock: Choose a morally correct dialogue option while in unique NPCand object  interactions

Rating Pistol

• Location: Near Gallery of Shadow Space Anchor, Storage Zone F1, Herta Space Station
• How to unlock: Interact with the Rating Gun

Razor Cake

• Location: North Central Starskiff Haven, Xianzou Luofu
• How to unlock: Interact with the Delivery Box

Rightful Rights Society

• Location: Administrative District, Jarilo VI
• How to unlock: Interact with the Phone Booth near the Golden Theater Space Anchor

Seven Errors of Cycranes

• Location: Various places in Xianzou Luofu
• How to unlock: Locate all the missing Cycranes

Seventeen’s Map

• Location: Near Monitoring Room Space Anchor, Base Zone, Herta Space Station
• How to unlock: Collect notes

Shattered Curio

• Location: North East Storage Zone F1, Herta Space Station
• How to unlock: Investigate the front entrance Curio three times

Sheila’s Fate

• Location: Master Control Zone, Herta Space Station
• How to unlock: Interact with Sheila near Herta’s office after completing Guide Paradox

Starskiff Superstition

• Location: North West Central Starskiff Haven, Xianzou Luofu
• How to unlock: Interact with Starskiff

Strange Voice

• Location: North East Storage Zone F2, Herta Space Station
• How to unlock: Investigate the yellow note

Suspicious Scroll

• Location: Near Starskiff Jetty Space Anchor, Central Starskiff Haven, Xianzou Luofu
• How to unlock: Interact and read the scroll

Sweet Pom-Pom O’Mine

• Location: Near Bronya in Qlipoth Fort, Jarilo VI
• How to unlock: Spin the globe and check out what’s located in the North and Northwest area

The Adventurous Moles

• Location: Various places in Jarilo VI
• How to unlock: Finish the main story in Jarilo VI and interact with Julian

The Mandela Effect

• Location: Near Golden Theater Space Anchor, Administrative District, Jarilo VI
• How to unlock: Interact with the man behind the gate of the Golden Theater Space Anchor. Travel away then back and repeat the interaction process four times

The Strange Plant

• Location: South East Base Zone, Herta Space Station
• How to unlock: Water the Strange Plant

Trash Cans In Belobog

• Location: Middle Boulder Town, Jarilo VI
• How to unlock: Complete the quiz from a trash can. The answers to the questions are 20 and 5

Trash Can.. Icon?

• Location: Various places in Jarilo VI
• How to unlock: Interact with multiple trash cans

Trashy Humor

• Location: Several locations
• How to unlock: Synthesize 10 consumable items by using Trash as one of its materials

Treasure Chest Guy

• Location: Master Control & Base Zone, Herta Space Station
• How to unlock: Interact with the guy with a treasure chest. Follow him to the Base Zone and interact with him again

Treasure Chest Magician

• Location: East Goethe Grand Hotel Space Anchor, Boulder Town, Jarilo VI
• How to unlock: Talk to the Mysterious Woman

Triple Authentication Access Room

• Location: Base Zone, Herta Space Station
• How to unlock: Collect three Access Authentication cards in the Herta Space Station

Wanted Posters

• Location: Various places in Administrative District, Jarilo VI
• How to unlock: Remove seven wanted posters

When Breath Becomes Air

• Location: West Storage Zone, Herta Space Station
• How to unlock: Investigate Researcher Eikura Shuu’s monument

Winter City Trap

• Location: Robot Settlement, Jarilo VI
• How to unlock: Listen to Eunice’s rap

As previously stated, there are a whole host of different Hidden Quest on offer in Honkai Star Rail so if you want to get them all ticked off it will take some work. However, knowing you’re getting closer and closer to that 100% should be the motivation you need to get through!

The number of Hidden Quests will likely be updated as the game progresses so keep coming back to this page where we will aim to keep it as fresh as possible with all the new Hidden Quests that become available.

For more Honkai Star Rail, keep reading The Games Cabin.