Bloodstone veins run like tiny threads through rock outcroppings in the Deadlands. Occasionally they bunch together into knots the size of a fist or larger. These Bloodstone Hearts can be persuaded to lend energy to a weakened system, healing Weakening Damage (or Fatigue). A Stonetalker can coax a Heart into healing D6+Level Weakening Damage, taking 2 Weakening Damage as they do so (unless they roll a critical). Each time they do so roll a D20. On a 16 or more the Heart is drained, and beats no more.
A corrupted Stonetalker can tap a darker gift within the stone. For each 2 corruption the Stonetalker sheds into the stone 2 Weakening of Fatigue can be bestowed on another. One of the Stonetalker's remaining corruption becomes permenant when they do this.
Only a Stonetalker can identify such a stone. They must be in the Deadland hills, and succeed in an identification roll resisted by a 23 (see Stonetalker rules).