The party gets up to the top of the tower, the thick mists covering their ascent. From the top they can see four towers for brief times across from their location, and two more down the side of the fortress wall they currently stand upon. Below at the interior of the fortress are two buildings: one square structure and another rectangular. So far the mists have helped hide the party, but the heroes feel they should be on the move before their luck runs out.
A.) Descend and enter the square building.
B.) Descend and enter the rectangular building.
C.) Scout around further for a building that looks like the forge they are trying to sabotage.