Blood Slot

Sacrificing your own blood and something of hefty value, you can regain a spell slot. A 1st Level slot requires a gem worth 10 gp and a blood sacrifice of 10 hit points. A 2nd level Slot requires two gems worth 10 gp and a blood sacrifice of 20 hit points. A 3rd Level slot requires gems worth 50 gp and a blood sacrifice of 25 hit points. A 4th level slot requires gems worth 100 gp and a blood sacrifice of 30 hit points. A 5th Level Slot requires gems worth 200 gp and a blood sacrifice of 35 hit points. A 6th Level Slot requires gems worth 300 gp and a blood sacrifice of 40 points. A 7th Level Slot requires a gem worth 500 gp and a blood sacrifice of 45 hit points. A 8th Level Slot requires a gem worth 1000 gp or two gems worth 500 gp and a blood sacrifice of 50 hit points. A 9th Level Slot requires a gem worth 5000 gp and a blood sacrifice worth 30 hit points or 2 gems worth 1000 gp and a blood sacrifice of 90 hit points.