By Klatrymadon and Zuranthus, in Kor-Avul-Thaa, darkness reigns eternal...
Nevermore shall the city glimmer, for now the crystalline walls gleam black...
Ever black...

And so it was that the bedazzling and splendid Kor-Avul-Thaa did become the City of Shadows, a sinister fortress of elder fiends of fearsome beasts, unleashed by the meddlings of mortals aspiring to dark thresholds of forbidden knowledge and arcane power, a nightmare city shunned and feared by all. And not since the sinking of Atlantis was the fall of a realm so sorely lamented...