Break Bone

Target one of the body parts of a creature you can see within range. The target must succeed on a Constitution saving throw or suffer one of the following effects as its bones break: 

• Head: The target has Disadvantage on Intelligence saving throws, ability checks, and associated skill checks. Additionally, the target becomes stunned until the end of their next turn. 
•  Torso: The target has disadvantage on Constitution saving throws, ability checks, and associated skill checks. Additionally, the target becomes stunned until the end of their next turn.
•  Arm: The target has disadvantage on Strength saving throws, ability checks, and associated skill checks. Additionally, the target suffers disadvantage on their next attack roll.
• Leg: The target has disadvantage on Dexterity saving throws, ability checks, and associated skill checks. Additionally, their movement speed is halved. On a success, nothing happens.

This effect lasts Until healed by Greater Restoration or until after a Long Rest. on a successful save nothing happens.