Bloodbolt

You hurl a Bloodbolt at a target within range. Make a Ranged Spell Attack, on hit the target takes 1d8 Necrotic damage.

Additionally, you can amplify the magic with more of your blood. You have Disadvantage on your next Constitution Saving Throw for the next minute.

The ability instead deals extra 1d6 Necrotic damage on hit and half as much on a miss.

This spell's damage increases by 1d8 when you reach 5th level, 11th level, and 17th level.