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Whodunit is a Trailblaze Mission in Honkai: Star Rail that is part of the The Sound and the Fury mission series. Check out how to unlock this mission, its walkthrough, and the rewards for completion in this guide!
| Previous Mission | Next Mission |
|---|---|
| Should One Awaken at Midnight | - |
| Mission Type | Trailblaze Mission |
|---|---|
| Location | Penacony, The Reverie (Dreamscape) |
| Required Level | 34 |

Whodunit is the ninth quest for the The Sound and the Fury Trailblaze Mission Series.
The Sound and the Fury Mission Guide
| How to Unlock | Reach Trailblaze Level 34 or above Complete
Should One Awaken at Midnight
|
|---|

Whodunit can be unlocked once you reach Trailblaze Level 34 or above and have completed Should One Awaken at Midnight mission.
Should One Awaken at Midnight Mission Guide
| Quest Walkthrough | |
|---|---|
| 1 | Follow Black Swan to leave the hotel in the Dreamscape. |
| 2 | You will eventually come across a room with charred remains. Investigate the remains to continue on. |
| 3 | Solve the Dreamwalker (IV) puzzle to be able to shoot down the chandelier. |
| 4 | After creating a hole in the floor, you dropped down only for you to encounter enemies at the bottom. ※The enemies you will be fighting are 1x Dreamjolt Troupe's Sweet Gorilla and 2x Bubble Hounds. Both enemies are weak to Physical |
| 5 | ![]() Speak with Black Swan, and she will show you a Silhouette of Firefly and her memories. |
| 6 | Follow Firefly's Silhouettes, and it will eventually lead you to the Lobby where Sam awaits. |
| 7 | ![]() Once you reach the Lobby, you will have to fight Stellaron Hunter: Sam. ※Before confronting Sam, make sure you have Lightning, Quantum, and Imaginary Characters in your party. |
| 8 | ![]() After the fight, Black Swan will teleport you back to the room with the chandelier. |
| 9 | Speak with Black Swan to interrogate her. After the interaction, you can go find Adventurine or leave the Dreamscape to trigger the Secret Ending. |
| 10 | ![]() Talk to Aventurine in the halls of The Reverie (Dreamscape) to complete the The Sound and the Fury quest chain and to view the final cutscene. |

To solve the Dreamwalker puzzle, interact with the Bubble Tower first to gain a Bubble Charge. Use that charge to walk up the wall furtherest from the Bubble Tower. Interact with the Bubble Tower on the wall and head back to the first one.
Interact with the first Bubble Tower to gain a charge and use it on the wall nearest to the first Bubble Tower. Next, go straight, then turn left, and use the second charge on the wall.
The last charge can be used on the wall to the right, just across the room. Follow the path, and you will be able to get to the chandelier's chain to cut it down and create a hole.

Before fighting Sam, make sure to bring characters whose elements are Lightning, Quantum, and Imaginary. You'll need to break their Toughness to have an easier time dealing with their mechanics.
At the start of the fight, Sam gains an effect called Weakness Protected, where he cannot lose any Toughness.
Save your Skill Points and use it only after he enters their Secondary Combustion state. When he enters this state, Sam loses the Weakness Protected effect but gains a significant boost in their attacks at the cost of consuming HP.
Use skills and ultimates to break them out of the Secondary Combustion state. Else, they will keep spamming AoEs. Do note that using skills will damage the user during this state, so bring a healer!
Once their Toughness is broken, all your Skill Points get refilled and you have to deal as much damage to them as possible.
Stellaron Hunter: Sam Boss Guide

If you decline Aventurine's invitation and leave The Reverie (Dreamscape) using the door shown above, Black Swan will try to stop you one last time. Selecting the dialogue option "I've decided. I'm leaving this place." will allow you to see the secret ending.
It is safe to do this during your playthrough since you can still normally finish the Trailblaze Mission when logging back into the game!
| Mission Rewards | ||
|---|---|---|
Trailblaze EXP
x700 |
Stellar Jade
x90 |
Traveler's Guide
x12 |
Clock Credits
x350 |
Credit
x120000 |
Destiny's Threads Forewoven |

All Missions and Mission Types

| The Sound and the Fury | |
|---|---|
| 1 | Long Day's Journey Into Night |
| 2 | The Youths Who Chase Dream |
| 3 | Sleepless Night |
| 4 | Tales from the Golden Age |
| 5 | Good Omen, My Friend |
| 5.5 | Lullaby of the North Wind |
| 6 | Gentleness, the Name of Nocturne |
| 7 | Through A Glass Darkly |
| 8 | Should One Awaken at Midnight |
| 9 | Whodunit |
| Prologue: Herta Space Station | |
|---|---|
| 1 | Today Is Yesterday's Tomorrow |
| Chapter 1: Jarilo-VI | |
| 2 | In the Withering Wintry Night |
| 3 | In the Sweltering Morning Sun |
| Chapter 2: The Xianzhou Loufu | |
| 4 | Windswept Wanderlust |
| 5 | Topclouded Towerthrust |
| 6 | Karmic Clouds Faded, War Banners Folded |
| Chapter 3: Penacony | |
| 7 | The Sound and the Fury |
| 8 | Cat Among Pigeons |
| 9 | In Our Time |
| 10 | Farewell, Penacony |
| 11 | A New Venture on the Eighth Dawn |
| Chapter 4: Amphoreus | |
| 12 | Heroic Saga of Flame-Chase |
| 13 | Light Slips the Gate, Shadow Greets the Throne |
| 14 | Through the Petals in the Land of Repose |
| 15 | The Fall at Dawn's Rise |
| 16 | For the Sun is Set to Die |
| 17 | Before Their Deaths |
| 18 | Back to Earth in Evernight |
Whodunit Mission Guide



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