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16:14, 14.04.2025
The Breaker Box, tucked inside the modest Utility Closet, is one of Blue Prince’s most useful and surprising features. At first glance, it looks like a basic switchboard. But with a bit of clever thinking and exploration, you’ll discover it hides a powerful secret that can change the course of your runs.
This guide walks you through what the Breaker Box does, how the puzzle works, and how to unlock the hidden bonus waiting behind it.
You’ll find the Breaker Box in the Utility Closet, a room that frequently appears as a draftable option. One thing to know right away: this room is a dead end. It doesn’t lead to any other rooms, so plan to place it in a corner of your layout where you don’t need further connections.
Despite its isolated position, the Utility Closet can impact several distant rooms. Just be ready to backtrack if you need to make adjustments mid-run.
Even before solving the puzzle, the Breaker Box provides several powerful toggles that alter how other rooms behave:
The Breaker Box does not need to be physically near any of the rooms it controls. However, the farther it is, the longer it takes to return and flip switches again.
Beneath the toggles is a set of six grey indicator lights, known as the V.A.C Indicators. Solving the puzzle requires getting these lights into a specific sequence. Two rooms provide clues to help you understand the logic.
Clue from the Mail Room
In the Mail Room, you’ll find a letter that says:
This explains the mechanics, but not the final solution.
Clue from the Office
Inside the Office, after logging into the terminal, you’ll find an email mentioning the correct light sequence:
Off - Blue - Green - White - Red - Purple
Follow these instructions carefully to solve the puzzle.
Part 1: Creating the Purple Lights
At this stage, your lights should be: Purple - Purple - Purple - White - Purple - Purple
Part 2: Setting the Final Pattern
Now that the system is in the correct state to finalize the puzzle, perform the following actions:
The final configuration should be:
Off - Blue - Green - White - Red - Purple
Once the lights match the correct sequence, a hidden wall panel behind the Breaker Box will slide open. Behind it is a secret lever. Pulling the lever reveals a hidden area under the manor called the Gemstone Cavern.
Inside the cavern, you gain a permanent +2 gems bonus at the start of each run. This bonus significantly boosts early progression.
Important notes about the cavern:
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