Darkmount - Observation Deck Floor to ceiling windows encircle this empty level at the pinnacle of Darkmount. From this vantage point one can see the whole of the Polyhex Greater Co-Prosperity Sphere stretching out dark and glittering at the foot of the tower, and the planet curving away beyond in all directions. Someone with particularly keen vision could make out the Warrens to the south, Magnaron to the southeast, the Liberation Arch to the southwest, the Northern Highway to the west and the Northern Crossroads to the east. LAST TIME ON THE TRANSFORMERS.. "Questionable characters."