Diary Key
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Diary Key
Secrets from beyond the grave.
Spoilers Ahead
This page contains spoilers for a secret item. View at your own discretion.
The Diary Key is a special item in Blue Prince. It opens Her Ladyship's Sleep Diary.
How to obtain
The Diary Key is found in the Tomb, requiring an ignition tool to burn some candles to access.
Usage
Spoilers Within
This section contains spoilers for where to use the key.
Click to view
Her Ladyship's Sleep Diary is found in Her Ladyship's Chamber. Using the key on this diary permanently opens the diary, allowing it to be read. The key is not consumed in the process.
The Diary Key still spawns in the Tomb on future days, even after the diary has been unlocked, despite having no other known use.