In this iteration of reality, the Cretaceous-Paleogene extinction event never took place. Because of this, dinosaurs didn’t go extinct and humanity evolved in a much more dangerous environment. Over time, one culture came to dominate much of the planet: the fierce but scantily-clad Bekiskapan. And yet, it was this cultural dominance which eventually led to the destruction of reality itself.
In the year 455 CE, a disgruntled time traveler stopped a messenger from warning the Empire of Meskera about an impending invasion. This unapproved alteration to The Plan angered the goddess Mira. As punishment for the slight, she unleashed a Calamity upon the unsuspecting world.