The adventurers have found an upright door in the middle of a dark dungeon room. They may walk around it, through it, or go over it and nothing happens. Further exploration might be needed as they need to find some type of contraption to activate the door of shadows!

Lightless Dawn by Kevin MacLeod is licensed under a Creative Commons Attribution license (https://creativecommons.org/licenses/by/4.0/)
Source: http://incompetech.com/music/royalty-free/index.html?isrc=USUAN1100655
Artist: http://incompetech.com/

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