Blood Bind

using the blood within a creature you twist and bind them in place while their bones are slowly being twisted and dislocated from within.

choose a creature within range that is medium or smaller and bind them in place, the creature must make a constitution saving throw or be paralyzed for the duration or till they save, and take 1d6 bludgeoning damage. at the start of their turn they must make another constitution saving throw or take 1d4 bludgeoning damage.

At Higher Levels: 

using a 6th spell slot increases the amount of creatures by one. and using a 9th spell slot increases the size of creatures to large or smaller.