My good friend and CotMA cartographer Joe Bardales has chimed in with a Mothers' Day gift for us all. Not only do we have a poster map of Level 4 of the Castle of the Mad Archmage in the traditional blue, but poster maps in an all-new "Undermountain" style for your edification and enjoyment.
Level 4:And again, with the faction colors marked on the map:
And, finally, Level 2:
Please join me in heaping praise upon him for his work. He's bringing this project to life in a way I only imagined.