Blue Prince Vault Room Guide – How to Solve the Rotating Statue Puzzle & Unlock Hidden Rewards

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The Vault Isn’t a Puzzle Room — It’s a Long-Term Endgame Investment

Drafting the Vault Room in Blue Prince often comes with the wrong expectations. The towering safe door, rows of numbered deposit boxes, and ominous silence suggest a complex logic puzzle waiting to be cracked. Instead, many players leave confused—wondering what they missed.

The truth?
The Vault Room isn’t about solving something inside the room. It’s about committing to a long-term scavenger hunt that spans your entire estate and rewards patience with some of the game’s most powerful permanent upgrades—including one of the eight Sanctum Keys required for the Inner Sanctum.

This updated 2025 Vault Room guide explains:

  • How the Vault actually works

  • Where to find all four Deposit Box Keys

  • What each box permanently rewards

  • Why Box #370 is critical for late-game progression

If you’re pushing toward the Inner Sanctum, this room is non-optional.

🔓 How to Access the Vault Room

Blue Prince, Vault Room Guide

Your original guide correctly notes that the Vault Room blueprint is rare and entirely RNG-based.

  • There is no confirmed trigger that guarantees its appearance

  • Solving other puzzles (like the Pump Room) does not increase its spawn rate

  • The only reliable strategy is persistence

Best Ways to Increase Your Odds

  • Use draft reroll items

  • Unlock helpful Observatory constellations

  • Regularly check available blueprints each run

Once drafted, the Vault Room is a dead-end room containing:

  • A large open safe

  • Multiple numbered Safe Deposit Boxes

  • A central table with immediate loot

🗝️ The Real “Puzzle”: Finding the Vault Deposit Box Keys

There is no statue puzzle, lever combination, or riddle inside the Vault.
The true challenge is locating four specific Deposit Box Keys, each of which permanently unlocks its matching box.

Required Keys

You must find:

  • Deposit Box Key #149

  • Deposit Box Key #233

  • Deposit Box Key #304

  • Deposit Box Key #370

Each key is:

  • A rare, random drop

  • Single-use

  • Permanently unlocks its box across all future runs

Confirmed Ways to Find Deposit Box Keys

According to community findings, keys can appear from:

  • Digging dirt piles with a Shovel

  • Searching dead-end rooms like the Attic

  • Opening locked trunks and chests

  • Appearing in rooms such as the Locker Room or Sauna

    • (These rooms require drafting the Pool first)

  • Trading at:

    • The Locksmith (via Special Key forging)

    • The Trading Post

  • As a rare reward from the Lost and Found room in the Underground

    • ⚠️ Entering this room costs a random inventory item

💡 Pro Tip for Deposit Box Key #370

Some players report improved reliability by:

  • Using the Shrine’s “Blessing of the Monk”

  • Ending the day inside the Lost and Found

  • Drafting it as an Outer Room the following day

This method can significantly improve your chances of finding Key #370, the most important of the four.

🎁 Vault Deposit Box Rewards (Permanent & One-Time)

Each deposit box contains fixed, non-random rewards. Once opened, the box remains unlocked but empty in future runs.

Deposit BoxRewards (One-Time)Why It Matters
#14920 Coins, 1 Allowance Token, Forged PassportAllowance Tokens permanently increase starting gold
#23320 Coins, 1 Allowance Token, Forged PassportAnother permanent economy boost
#3043 Gems, 1 Upgrade Disk, Forged PassportUpgrade Disks unlock powerful room upgrades
#3703 Gems, 20 Coins, a note, 1 Sanctum KeyCritical progression item for the Inner Sanctum

🚨 Important

  • Coins, gems, tokens, and keys are collected only once

  • The Sanctum Key from Box #370 is mandatory for Inner Sanctum access

✅ Immediate Loot & Why Drafting the Vault Is Always Worth It

Even before unlocking a single deposit box, the Vault Room is valuable.

Upon first entering, you can immediately collect:

  • 40 Coins from the central table

  • A possible Key Card or Special Key

This makes the Vault a strong early-game economic room—even before its long-term rewards come into play.

Strategic Importance

The Vault is the confirmed location of one of the eight Sanctum Keys, directly gating:

  • Access to the Inner Sanctum

  • Sigil puzzles

  • Advanced Mora Jai boxes

  • Post-game progression chains

Skipping the Vault means stalling your endgame.

📝 Summary & Key Takeaways

  • No On-Site Puzzle – The Vault Room’s challenge is the estate-wide hunt for Deposit Box Keys

  • Four Keys Required – #149, #233, #304, and #370

  • Permanent Rewards – Allowance Tokens, Upgrade Disks, Gems, and a Sanctum Key

  • Always Take the Gold – Grab the free 40 Coins when you draft the Vault

The Vault Room rewards patience, exploration, and long-term planning. Treat it as an investment—not a one-run puzzle—and it will quietly become one of the most important rooms in your entire estate.

💬 Community & Resources 

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