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|Type: Quest Item|
The Blank Lexicon is a miscellaneous item given to the Dragonborn by Septimus Signus during the quest Discerning the Transmundane. It can be used to activate a Dwarven Mechanism found in select Dwemer Ruins to gain access to Blackreach.
- If it is taken back from Septimus's corpse, it may get stuck in the inventory.