Possible Clues:

• & 12 Across Work could produce gloominess in monks
• Coronation figure
• With 115-Across, [gorilla] [woman] [building]
• Royal flush component
• Piece between a bishop and a queen
• Mt. ____, 3rd highest
• US civil rights leader, assassinated 1968
• Wenceslas, e.g
• Major chess piece
• 46-Down, for one