Talk:Return to the Tower/@comment-5.65.234.178-20150525133541/@comment-1500935-20150526001753

It took me time to figure it out on my first try. So yes, that rune is inside Burrows' safehouse atop Dunwall Tower and is part of the outside map. You can access it from the tower opposite to the radio one. It's easy to miss that place in low chaos playthroughs.