Rum => you need the quest "Steal a book" from merchant Tully. Then Kegan (guard in front of Bram's hatch)will tell you about loving rum - and after you have the bottle take it => drops key.
A merchant Tully...? Is that in act 1? I've cleared every black spot in that citadel but I don't recall any Tully <img src="/ubbthreads/images/graemlins/ouch.gif" alt="" />
Oh well, guess it doesn't matter anymore now, there's not a single soul left in the citadel - except for a few imps that apparently like to stick around.
*** Visit 
