Expand Femurs

        You touch a creature, transmuting their bones to hurt and hinder them. The target makes a constitution saving throw. On a failed save, their femurs expand, inflicting the following effects:

• If the target’s speed is more than 10 feet, it decreases to 10 feet. This applies to all movement types except flying. 
• The target gains disadvantage on strength and dexterity attack rolls, checks, and saving throws. 
• Any time the target moves, it takes 4d6 necrotic damage.
• All attacks against the target deal an additional 2d6 necrotic damage.

         Any time the target takes damage, they can make a constitution saving throw, ending this effect on a success.