Blood Stasis

A sinister wind falls over 4 targets of your choosing within 120 ft. This wind forces them to make a Charisma save equal to your spell save DC. On a success a Target take 2d6 necrotic damage. On a fail, the target is Paralyzed and take 2d8 necrotic damage each turn until die, they pass the save, or a minute passes.

This spell does not work on creatures who do don't need/use blood. 

At Higher Levels. You can extend the range of the spell by 20ft. for any spell slot used above 4th