In Moonshade, Stoneheart can only be possessed with the permission of the MageLord. Prolonged exposure to stoneheart causes uncontrollable fits and insanity. The Mountains of Freedom were sealed when Stoneheart was found within, but some few mages still voluntarily enter the mountains in an attempt to get Stoneheart. Stoneheart can also be found in the Skullcrusher Mountains.
The Avatar managed to gain possession of Stoneheart when a teleport storm exchanged Rudyom's Wand with Stoneheart from Skullcrusher. Its importance for spellcasting however would remain unclear until the mage Ensorcio at the Inn of the Sleeping Bull revealed it after being offered a big enough sum. On the other hand, Pothos in Moonshade was tasked with pulling all Stoneheart out of circulation, when asked.
|“|| This reagent is formed in quite an unusual way. Stoneheart, the red rock collected from stalagmites, must be crushed and then combined with the blood the caster! Blood spawn is an additive reagent that enhances the power of several inner circle offensive spells. Needless to say, perhaps, this reagent is not one to be bought and sold.|
- Vasculio worked with Stoneheart. It enabled him to become an undead.