Millennia ago God created a race of people so fierce even their women were feared in battle. These people were warlike in every way, refusing to submit to the rule of any but their own… no matter how large the forces sent to subdue them. Their enemies said they fought like animals. Their vanquished foes said nothing, for they were dead.
They were considered a primitive and barbaric people because they marred their skin with tattoos of blue ink. The designs were usually simple. A single beast was depicted in unadorned outline, though some clan members had more markings which rivaled the Celts for artistic intricacy. These were the leaders of the clan, and their enemies were never able to discover the meanings of any of the blue-tinted tattoos.
Some surmised they were symbols of their warlike nature and in that they would be partially right. For the beasts represented a part of themselves that these fierce and independent people kept secret at the pain of death. It was a secret they had kept for the centuries of their existence while most migrated across the European landscape to settle in the inhospitable north of Scotland.
Their Roman enemies called them Picts, a name accepted by the other peoples of their land and lands south… They called themselves the Chrechte.
Their animal-like affinity for fighting and conquest came from a part of their nature their fully human counterparts did not enjoy. For these fierce people were shape-changers and the bluish tattoos on their skin were markings given as a rite of passage. When their first change took place, they were marked with the kind of animal they could change into. Some had control of that change. Some did not. And while the majority were wolves, there were large hunting cats and birds of prey as well.
None of the shape-shifters reproduced as quickly or prolifically as their fully human brothers and sisters. Although they were a fearsome race and their cunning was enhanced by an understanding of nature most humans do not possess, they were not foolhardy and were not ruled by their animal natures.
One warrior could kill a hundred of his foe, but should she or he die before having offspring, the death would lead to an inevitable shrinking of the clan. Some Pictish clans and those recognized by other names in other parts of the world had already died out rather than submit to the inferior, but multitudinous humans around them.
Most of the shape-changers of the Scots Highlands were too smart to face the end of their race rather than blend. They saw the way of the future. In the ninth century ad, Keneth MacAlpin ascended to the Scottish throne. Of Chrechte descent through his mother, MacAlpin was the result of a "mixed" marriage, and his human nature had dominated. He was not capable of "the change," but that did not stop him from laying claim to the Pictish throne (as it was called then). In order to guarantee his kingship, he betrayed his Chrechte brethren at a dinner, killing all of the remaining royals of their people—and forever entrenched a distrust of humans by their Chrechte counterparts.
Despite this distrust, the Chrechte realized that they could die out fighting an ever-increasing and encroaching race of humanity, or they could join the Celtic clans.
They joined.
As far as the rest of the world knew, though much existed to attest to their former existence, what had been considered the Pictish people were no more.
Because it was not in their nature to be ruled by any but their own, within two generations, the Celtic clans that had assimilated the Chrechte were ruled by shape-changing clan chiefs. For the most part, the fully human among them did not know it; however, a few were trusted with the secrets of their kinsmen. Those who knew the secrets were aware that to betray the code of silence meant certain and immediate death.
That code of silence was rarely broken.