The Arcade Underground Passage Key is a key in Lies of P. It is used to gain access to underground areas of the Lorenzini Arcade and travel to the Grand Exhibition Gallery.
Location[]
The key is located on the fountain inside the Lorenzin Arcade, beside the Wandering Merchant.
Description[]
Key obtained from the fountain inside the arcade. You can open the arcade underground passage.
The underground of the arcade is famous for the wine depot of the Bleiwies family. The wine canisters are almost broken, but it is said that the scent of heaven still floats underground.