I have wanted to illustrate this scene for a while, the Witch-king's assault on Osgiliath that opened the War of the Ring and that enabled the Nazgûl passage across the river to start their search for the One Ring.
'...but it was not by numbers that we were defeated. A power was there that we have not felt before. Some said that it could be seen, like a great black horseman, a dark shadow under the moon.'