The Great Whump brought the world of old to a halt. Next, Winter took the land into darkness and sprawl covered it with chaos. Sometime in between then, the catastrophic events taking place on the sphere's surface lend to a rending of the planet's skin, and tore expansive cracks in the outer shell. These dividing canyons act now as natural land barriers and a grim reminder of what can happen when then world spins into chaos. No ravine scrapes longer and deeper than D'Scarr. It's length divides a lengthy portion of the Avantsphere across both land and ocean, and its depth remains unmeasured.
Many myths surround the awesome gash, such as being the origin point of the mythic Peace Wind.