Wyrdstone is a mystical substance found in the world of Warhammer, particularly in the Warhammer Fantasy and Warhammer Age of Sigmar settings. It is often associated with the Chaos forces and is believed to have powerful magical properties. Wyrdstone can be used to enhance spells, create artifacts, or even corrupt those who come into contact with it. In the lore, Wyrdstone is often depicted as a green, glowing crystal that can be found in various locations, especially in areas affected by Chaos. Its presence can lead to strange phenomena and attract creatures drawn to its power. Many factions seek Wyrdstone for its potential benefits, making it a valuable and dangerous resource.