Publisher blurb: Sudden mountain storms may rise up out of nowhere, bringing the possibility of flash floods, mud slides, lightning strikes and similar dangers. Those who know the mountain peaks know to fear these storm, and not simply for the threat they bring: Some mountain tempests have at their heart a mighty thunderbird on the hunt, and anything that moves is fair game. Mountain Terrors: Stonehorn is a bestiary PDF for the Chronicle System, the rules engine that powers our popular A Song of Ice & Fire Roleplaying game.