How to Unlock Hidden Achievements in HSR 4.0

Mastering the latest update in Honkai: Star Rail (HSR) requires more than just completing the main story; it's about uncovering the secrets hidden within Duomension City and beyond.

This comprehensive guide details the HSR 4.0 hidden achievements and provides step-by-step instructions for the most challenging trophies.

Complete HSR 4.0 Hidden Achievements List

Below is the full breakdown of the new hidden achievements added in version 4.0. Check which one you have not completed.

Name	Requirements
Straight Fire Unreal Banger	Use ally character Sparxie to activate "Engagement Farming" and accumulate 9 "Straight Fire" stacks in a single battle
Trap Within a Trap	Use ally character Sparxie to trigger "Engagement Farming" a total of 10 times in a single action
Lucky Charm	Use ally character Yao Guang to trigger "Great Boon" 18 time(s) in a single battle
May the Fortune Be With You	Obtain a total of 8 "Fortune Pouch(es)" through Yao Guang's Technique "Untethered Glimmer Sails Far"
All for the Show	Aha uses "Aha Instant" and only deals 0 DMG
Who's Laughing Now?	Aha uses "Let There Be Laughter" to defeat 1 enemies
Safety Comes First on Every Road	Get up close and personal with a car in the middle of Duomension City's streets
Go to A New World	Hit by a hydro-car during an Interplanar Jump! sequence
Time For Whispers	Infiltrate the CEO's conference room
Aeonic Silence	Admire the portraits of the Aeons in the Tavern
The Fool and the Alchemist's Gate	Build your own elemental toilet
Block Subspace	Uncover the secrets of the golden throne
Reunion is Prologue	Witness Bequea's ultimate journey back into the television
If I Can Bring You Happiness	Witness Bequea and Rocket fulfill their promise to become family
Hardboiled Detective	Work with Ashveil to stop the "Millennium Killer's" atrocities using traditional yet effective methods
Armchair Detective	Together with Sparxie, use the latest and most cutting-edge modern methods to make the "Millennium Killer" get a taste of their own medicine
Dandelion's Judgment	Let Sapone fulfill their wish
The Crime is "Love"	Have Sorren accept lawful punishment
Make Dough with Dignity	Select to sell the pixel plane game to the IPC
Walk with the Divine Sage	Reject the IPC's attempts to acquire the pixel plane game
Sunset VI	Fulfill Kraken's wish to roam beyond the sky
Encyclopedia of Scams	Forcefully reject the eloquent Master Moon
A Bet to End All Bets	Spend a fortune for the honor of being the only one of Master Moon's "disciples" to be fooled
Homo Economicus	Escape when faced with the eloquence of Master Moon
When The Phantasmoon First Shone Upon Mortals	Head to the @Gate of Duomension City and gaze upon the Phantasmoon
Ascend to the Peak of Trailblaze	Reach the top of the Trailblazer's poster in Duomension City
Catherine	After being dragged into the 2D world by Sparxie, successfully obtain a new form and escape
Hold On Tight and Put Phones Away	Use an escalator once in Planarcadia
Don't Try This At Home	Move against the escalator for 10 seconds or more
Ping Pong	In the "Jump Time" of "Interplanar Jump!" at Perdido Station, repeatedly change gravity to make the wispae bounce back and forth
Secret Storage Room	Enter the secret room in Graphia Academy's indoor gymnasium
Lonely Are All Bridges	Reach the hidden plane during an "Interplanar Jump!" on Dovebrook Bridge in Duomension City
Thorny Mask	Survived after taunting the Fool's Mask at the tavern
Super Third Wheel	Witness the love of the paper crane
Why'd You Do That?	Knock down the Billboard running in the tavern
Here Used to Be Dragons	Find the treasure hidden at the end of the Grand Treasury
Let's Not Trailblaze Here	Open the secret room of the Golden Confessional
Let Out a Wistful Tweet	Find a familiar feather in the tavern
2D Aficionado	Complete the Ultimate 2D Challenge on Blisstar
Curving Arrow	In "Interplanar Jump!," shoot an arrow that curves in flight
Springleg Jack	Bounce 10 times in Trampoline: Introductory Training
Let's Go Karaoke!	Eavesdropping on a mesmerizing melody echoing from the karaoke bar in the heart of Duomension City or Dovebrook District

Step-by-Step Tutorial to Obtain Hidden Achievements

Hold On Tight and Put Phones Away Don't Try This

Use an escalator once in Planarcadia

Teleport to this location.

Walk up to the escalator.

Ride the escalator.

Trap Within a Trap

Use ally character Sparxie to trigger "Engagement Farming" a total of 10 times in a single action

Complete this achievement in Yaoguang’s trial stage.
Before Sparxie takes action, try to save up some Skill Points for her (seven or more is sufficient).
When Sparxie acts, she will automatically consume all of our Skill Points.
Use 10 Skill Points in one action to unlock the achievement. (Sparxie’s skill will automatically refund Skill Points.)

Straight Fire Unreal Banger

Use ally character Sparxie to activate "Engagement Farming" and accumulate 9 "Straight Fire" stacks in a single battle

Enter Currency War – Zero-Sum Game on Purple-Gold difficulty or higher, then choose the strategy that includes the Skill Point Bond effect.

Bring Sparxie into a relatively challenging stage, such as an Encounter battle or a Boss fight.

Turn off Auto-Battle and switch to Manual mode. Have your other teammates conserve and generate Skill Points for Sparxie. Each time Sparxie takes action, use her enhanced skill to consume all available Skill Points.

During the enhancement process, effects such as “Dazed” or “Blazing” will appear. As long as “Blazing” triggers a total of nine times within a single battle, the achievement will unlock. (In most cases, Sparxie only needs to act three to four times to complete this requirement.

Lucky Charm

Use ally character Yao Guang to trigger "Great Boon" 18 time(s) in a single battle

In Yao Guang’s trial stage, have all other characters use only Basic Attacks.

May the Fortune Be With You

Obtain a total of 8 "Fortune Pouch(es)" through Yao Guang's Technique "Untethered Glimmer Sails Far"

All for the Show

Aha uses "Aha Instant" and only deals 0 DMG

Who's Laughing Now?

Aha uses "Let There Be Laughter" to defeat 1 enemies

Tap this waypoint to teleport.

Follow this path straight ahead until you find Dr. Furatio, then select Investigate to initiate the dialogue.

Becarefull don't defeat all enemy, just use basic attack,and let aha kill enemies

Safety Comes First on Every Road

Get up close and personal with a car in the middle of Duomension City's streets.

Go to A New World

Hit by a hydro-car during an Interplanar Jump! Sequence.

Time For Whispers

Infiltrate the CEO's conference room.

Aeonic Silence

Admire the portraits of the Aeons in the Tavern

The Fool and the Alchemist's Gate

Build your own elemental toilet.

Block Subspace

Uncover the secrets of the golden throne.

Tap Interplanar Jump! Difficulty III to enter the stage.

Follow the indicated route.

Keep moving forward until you reach the marked location shown in the image, then jump down from there to unlock the achievement.

Reunion is Prologue

Witness Bequea's ultimate journey back into the television.

If I Can Bring You Happiness

Witness Bequea and Rocket fulfill their promise to become family

Hardboiled Detective

Work with Ashveil to stop the "Millennium Killer's" atrocities using traditional yet effective methods

Armchair Detective

Together with Sparxie, use the latest and most cutting-edge modern methods to make the "Millennium Killer" get a taste of their own medicine

Dandelion's Judgment

Let Sapone fulfill their wish.

The Crime is "Love"

Have Sorren accept lawful punishment

Make Dough with Dignity

Select to sell the pixel plane game to the IPC.

Walk with the Divine Sage

Reject the IPC's attempts to acquire the pixel plane game.

Sunset VI

Fulfill Kraken's wish to roam beyond the sky.

Encyclopedia of Scams

Forcefully reject the eloquent Master Moon.

A Bet to End All Bets

Spend a fortune for the honor of being the only one of Master Moon's "disciples" to be fooled.

Homo Economicus

Escape when faced with the eloquence of Master Moon.

When The Phantasmoon First Shone Upon Mortals

Head to the @Gate of Duomension City and gaze upon the Phantasmoon.

Ascend to the Peak of Trailblaze

Reach the top of the Trailblazer's poster in Duomension City.

Catherine

After being dragged into the 2D world by Sparxie, successfully obtain a new form and escape.

Hold On Tight and Put Phones Away

Use an escalator once in Planarcadia. Teleport to the Perdido Station Railway Platform in Duomension City and ride the automated escalator.

Don't Try This At Home

Move against the escalator for 10 seconds or more.

Ping Pong

In the "Jump Time" of "Interplanar Jump!" at Perdido Station, repeatedly change gravity to make the wispae bounce back and forth.

Secret Storage Room

Enter the secret room in Graphia Academy's indoor gymnasium.

Lonely Are All Bridges

Reach the hidden plane during an "Interplanar Jump!" on Dovebrook Bridge in Duomension City.

Thorny Mask

Survived after taunting the Fool's Mask at the tavern.

Super Third Wheel

Witness the love of the paper crane.

Why'd You Do That?

Knock down the Billboard running in the tavern.

Here Used to Be Dragons

Find the treasure hidden at the end of the Grand Treasury.

Let's Not Trailblaze Here

Open the secret room of the Golden Confessional.

Let Out a Wistful Tweet

Find a familiar feather in the tavern.

2D Aficionado

Complete the Ultimate 2D Challenge on Blisstar.

Curving Arrow

In "Interplanar Jump!," shoot an arrow that curves in flight.

Springleg Jack

Bounce 10 times in Trampoline: Introductory Training.

Let's Go Karaoke!

Eavesdropping on a mesmerizing melody echoing from the karaoke bar in the heart of Duomension City or Dovebrook District.

 

Conclusion

That wraps up the full hidden achievement sweep for Honkai: Star Rail 4.0. As you can see, this patch isn’t just about pushing story quests in Duomension City — it’s about getting hit by cars on purpose, riding escalators like it’s a sightseeing tour, provoking masks in taverns, and willingly spending a fortune just to prove you’re the biggest clown in Master Moon’s classroom. Peak Trailblazer behavior.

And if you’re burning through stamina, tickets, or just your sanity while chasing these, make sure your Stellar Jades are stocked. LDShop keeps things simple — fast top-ups, stable pricing, no drama. Less time worrying about recharge, more time bouncing wispae like you’re playing cosmic table tennis.