Deep within the lightless veins of the underworld, Dyrrn the Corruptor presides over the Palace of Sinew, a domain where stone is replaced by pulsing muscle and weeping membranes. As the premier architect of the daelkyr lords, Dyrrn views biological life as a crude first draft—a chaotic slurry of bone and bile waiting to be refined into something more efficient and infinitely more terrifying. To this alien entity, the invasion of the material realm was never an act of conquest, but rather a grand artistic commission. It seeks to unravel civilization at a molecular level, unmaking the laws of nature to suit its own shifting, xenophobic aesthetics. Those who stray too near Dyrrn’s influence feel the "Whispering Ache," a phantom sensation that their own organs are rearranging in anticipation of their master's touch. A dark omen begins when a village’s livestock are found hollowed out yet still standing, their innards replaced by crystalline chimes that ring with a discordant, psychic hum. Dyrrn’s arrival is heralded not by fire, but by the quiet, wet sound of evolution gone wrong, as a hero’s own flesh begins to rebel against their soul.