When you cast a damage dealing spell, you can mark up to 3 Hit Points and put that many Tokens on this item. On a hit, expend the tokens to gain the following effects. 1 Token: Deal additional damage equal to your major threshold. 2 Tokens: Deal additional damage equal to your severe threshold. 3 Tokens: Deal additional damage equal to double your severe threshold. Killing Spree. When you defeat a creature with a blood spell, you regain the Tokens spent.