The Time-Lock Safe stands as one of Blue Prince’s most enigmatic vaults, tucked away in the depths of the Shelter—an Outer Room that remains out of reach until you unlock the western section of the mansion. Unlike other safes, this one doesn’t require a key or lockpicking skill. Instead, it demands only one thing: time.

And we mean that quite literally.

Here’s your full guide to locating it, unlocking its contents, and discovering what lies within.

Step 1: Unlock the West Gate

Accessing the safe starts with opening up the western area of the estate.

• Draft the Garage room located on the west wing of the manor.
• Activate it using a Breaker Box.
• Exit through the opened garage door to the outside.
• Move downward and to the right to locate the West Gate.
• Unlock it to permanently reveal a new section of Outer Room terrain.

Step 2: Draft the Shelter

With the new land available, you can now attempt to draft the Shelter.

• If the Shelter doesn’t appear in your daily draft options, feel free to reload your save to reshuffle.
• Once successfully drafted, enter the Shelter and descend the stairs.
• At the bottom, you’ll spot the Time-Lock Safe on a shelf beside a Terminal.
• Interact directly with the panel on the safe—not the Terminal—to bring up the timer interface.

Step 3: Set the Timer (Minimum One Hour Ahead)

To crack the safe, you must set the timer to a date and time at least one hour beyond the current in-game moment.

Follow these steps to calculate the correct time:

• Current Date: Check the Expedition note on the Security Terminal. The expedition begins on November 7. Add your current in-game day count minus one (since Day 1 is November 7).

  • Example: On Day 5, the date is November 11.
  • After November 30, continue counting into December.

• Current Time: Use clocks scattered around the estate—such as the one in the Den or the clock tower outside. Each day begins at 8:00 AM, and time flows naturally as you play.

• With both values known, set the safe to a time at least one hour ahead, in one-hour intervals.

Step 4: Wait It Out and Retrieve

After setting the timer:

• The safe will automatically unlock when the in-game clock reaches your selected time.
• You can either wait inside the Shelter or leave and return later.
• Note: One in-game hour ≈ 5 minutes of real time.
• Once open, the safe remains accessible for 4 in-game hours—so don’t miss your window.

Contents of the Time-Lock Safe

Inside, you’ll find:

• 1 Gem
• Red Letter VII – A piece of an ongoing puzzle tied to Room 46. While you can’t keep the letter, make sure to record its message and origin for later use.

Final Thoughts

The Time-Lock Safe embodies the essence of Blue Prince: mysterious, cleverly concealed, and deeply fascinated by time. It favors patience and precision over force, rewarding those who pay attention to the ticking clock. Crack it open, and you’re one step closer to unraveling the mansion’s deepest mysteries. Just remember—timing is everything.

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