Turn Insideout

You send or bloody tendrils at a creature that you can see within 30 feet, they make a constitution saving throw on a failed save they start to turn inside out, dropping whatever they are holding and falling prone, and becoming incapacitated while writhing in pain for one minute or until the spell ends. A creature makes this save with disadvantage if they are below 1/2 of there maximum hit points.
Each turn they take 3d4 necrotic damage, if a creature is under the effect for the entire duration they get ripped open going to 0 hit points and becoming unstable and unconscious.