Before the Hyborian Age was another great era in human history. Known as the Thurian Age, it was a period in which human civilization thrived and reached its zenith, attaining many of the same heights claimed by the Hyborian Age. The Seven Kingdoms of this time were Farsun, Verulia, Kamelia, Thule, Grondar, Commoria, and mightiest among them was purple-towered Valusia, akin to great Aquilonia. This magnificent kingdom was ruled by King Kull, a barbaric outlander from Atlantis, a people whose bloodline remains in the folk of Cimmeria.
But these kingdoms and other countries, built atop the ruins of still older kingdoms, were all of them swept away by the great Cataclysm that engulfed the world, submerging lands deep beneath the waves and raising the ocean floors up to become new, fertile lands ready for settlement by the woefully few survivors. Only the Picts escaped this apocalypse unscathed, a great colony inhabiting the mountains of Valusia’s southern frontier, a region that became the Pictish Wilderness in the Hyborian Age.
The tawny-haired Hyborians began their rise to prominence around three millennia ago, when they were a rude and barbarous people of the north who worshipped some primitive chieftain-god, Bori. They swept down from the north in a series of migrations, conquering the older kingdoms they encountered and setting up new kingdoms of their own.
Hyperborea in the north was the first of the Hyborian kingdoms to rise from barbarism. Today the tall, gaunt Hyperboreans are the major power in the northlands.
The kingdoms of Koth, Ophir, and Corinthia were all founded three thousand years ago after a wave of our Hyborian ancestors migrated south. For centuries, they were vassal states controlled by the ancient and sinister empire of Acheron, until a new wave of Hyborian barbarians swept down from the north. Some say the Acheronians were descended from an early migration of Hyborians mixed with the Stygians of the south, some say they belong to an even more ancient race — no one knows for certain.
What is known is that the purple towers of Acheron, and its temples to the Stygian god Set, crumbled under fire and steel, wielded by these new Hyborian invaders. Koth, Ophir, and Corinthia gained their independence, and new younger kingdoms — Aquilonia, Nemedia, Brythunia, and Argos — arose from the ashes of Acheron.
The age of the Hyborians began.