Twist Limbs

you cause a limbs of a target to twist and bend creating great pain. the target makes a constitution saving throw, on a failed save they take 1D8 force damage, and half as much on a successful one. Also on a failed save the the target get disadvantage on attack roles, strength saving throws, and constitution saving throws until their next turn.

At higher levels. When you cast this spell at second level or higher the damage increases by 1D8 for each spell slot level above the first.