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A Study in Crimson Walkthrough: The Truth Behind the Case

A Study in Crimson in Blood of Dawnwalker: Vicho''s investigation, the warehouse fight, the chest that reopens the case, and the real killer behind the murders.

10/9/2026 1.0 Dawnwalker Wiki Team Last updated: 10/9/2026 4 min read

A Study in Crimson is The Blood of Dawnwalker’s best murder mystery — a Svartrau City investigation that appears to solve itself and quietly doesn’t. This walkthrough covers the full quest flow from Vicho’s brief to the warehouse confrontation, including the unmarked loot that separates the case’s surface ending from its true one. Spoilers throughout; for the character deep-dives, see the Simeon guide and Vicho guide.

A Study in Crimson cover

The Setup: A Client With a Secret

The quest begins with Vicho, a mild-mannered curio dealer who hires Coen to find the killer of his friends Eli and Devora. Vicho walks you through the evidence like a man who wants justice — polite, composed, helpful. Remember that composure. It is load-bearing.

The trail runs through a jeweller’s house and beyond, and every clue points the same direction: Doctor Simeon, a physician with a spotless reputation and, it turns out, a hidden condition — he has become a vrakhiri. On paper, the case is elegant. In the warehouse basement, it gets violent.

The Warehouse Fight

The evidence trail terminates in a warehouse, where the basement confrontation reveals Simeon’s condition and the fight begins. He is a proper boss encounter: fast gap-closers, aggressive lunges, punishable strings. The community-tested answers: sidestep left against his primary attack string, keep the pressure on, and do not let him reset the exchange. Vicho fights beside you, but Simeon prioritizes Coen — positioning beats body-blocking.

Kill him, report back, and the journal marks A Study in Crimson complete. The doctor is named as the murderer. The case is closed.

It is not.

The Hidden Chest: Where the Real Quest Begins

Two unmarked loot actions separate the surface ending from the truth path — both easy to miss, both quest-critical:

  1. Loot Simeon’s body for a key before leaving the basement. Unmarked. Skipping it is permanent on that save.
  2. Take the key to the hidden chest on the warehouse’s first floor. Inside is a reply letter from a man named Ivo, written to calm Simeon’s worries.

The letter reframes everything. Ivo writes that Vicho is always composed and in control — reassurances meant for a worried friend who knew what Vicho was and feared it. Simeon was not the killer. He was a man trying to contain a danger the investigation was never meant to survive.

The real killer: Vicho himself — a vrakhiri who blacked out his own feeding and murdered his own friends without memory of it. The client hired the detective to find a murderer who was, the entire time, the client.

The Reopened Case: Confronting Vicho

With the letter in hand, the completed quest quietly reopens with one new objective: confront Vicho. That confrontation is night-locked and dialogue-driven, and it is where the arc’s real choice lives — tell Vicho the truth and talk him out of walking into the sunrise, or lose him forever. The exact dialogue chain that keeps him alive is documented step by step in the Vicho guide; the short version is that empathy, not accusation, is the path that works.

Miss the key, miss the letter, and none of this happens. Vicho’s storyline ends at “case closed” — oblivious, dangerous, and unresolved.

Why This Quest Matters

A Study in Crimson is the game’s thesis in miniature: a solved case that is not a true one, evidence that convicts the convenient man, and a hidden second act that only players who loot everything will ever see. It is also the entry point to the full Vicho arc — the chain continues through The Unquenchable Thirst and The Outcast, tracked in the all quests guide.

Frequently Asked Questions

Is Simeon the real killer? No. He is the red herring — a vrakhiri who knew the truth and died containing it. Ivo’s letter is the proof.

How do I reopen the quest after it completes? Loot Simeon’s key, then open the hidden first-floor chest in the same warehouse. The letter inside reopens the case automatically.

Is the hidden chest marked? No. No shimmer quest marker, no journal hint. This is the quest’s entire design trick.

Does Vicho’s fate affect any ending? No main ending — but his survival determines whether his chain continues and what his epilogue says. For a completionist, that is not nothing.

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