Risen alongside the Fall of Lady Death, the Unfallen were once considered a scourge across the land; monstrous creatures that hunted the living.
After her return, thousands of these monsters regained their sophonce. Confused, surrounded by death, and often in a great deal of pain, these new, sophontic Unfallen were forced to find their way in a world that hates them.
As Lady Death was struck down, her power over the boundaries between life and death faltered. Burning from both everlasting flame and rage against the living, her hatred fuels the dead to rise again and hunt the living. Most of that rose to her call rose as mindless undead fueled by the same rage that awoke them from their slumber but those with strong enough wills were able to maintain their sophonce even through death and undeath.
What seperated the Unfallen from the common undead rabble was how they functioned as a collective whole. When in large groups, these Unfallen could begin to understand their purpose in the world and their allegiance to Lady Death. Alone these mindless creatures were a simple menace, but together they were able to construct monuments of bone and flesh to wage proper war against the cities of the living. Life on Solith faced extinction.
When Lady Death finally arose from her burning cradle, many of the Unfallen were able to regain their sophonce without the dreadful purpose given them to by their creator's rage. Now existing without purpose, most Unfallen can be found traveling Solith in large hordes in search of places uninhabitable by the living so that they may live in peace.
Thought Unfallen do not age, eventually their bodies rot away after 50 to 60 years.
Before their awakening, Unfallen would gather in massive groups describe by the Gravehunter's Guild as "Hordes".
Now that many of the Unfallen travel in massive groups in search forgotten ruins to call their own the Unfallen now use this term to describe their various nomadic groups. Each individual Horde takes up a name based on the location they were first formed such as "Horde Gorgewald" or "Horde Redpeak".