Blood Clot
Prerequisite: blood fiend
When a creature you hit with a blood weapon or if that creature takes damage form a blood trap and is not an undead or construct you can use your reaction to stop them from regaining hit points as a reaction before the start of your next turn
Potent blood
Prerequisite: blood fiend
When you make a blood weapon it gains an additional +1 to attack and damage rolls.
Your blood trap Dc increase by 1