Blood Stone

This red gemstone glows with a radiant vibrance depending on the health of the user. When you cast a spell that deals damage, you may spend a predetermined amount of hit points to activate one of the following effects below:
You spend 1 hit point to increase the damage of your spell by 1 You spend 3 hit points to increase the damage of your spell by 1d4 You spend 6 hit points to increase the damage of your spell by 1d8 You spend 9 hit points to increase the damage of your spell by 2d6

Type

Metal