Formed in the early days, when two conflicting ideas of reality met and clashed – neither could overcome the other, and so the gorge formed. Widest point is a mile wide, but the average 1500m. Its bottom does not go below sea level. There is still clouds, pools, and mists of swirling Entrophy at the bottom, that sometimes creep out, responding to strong will (mages and such trying to gain power) or magical happenstance.