Tungstun Ballsack

The target must be male or at least have actual male counterparts on the body to do actual harm. 

When the target is catched under the sucsesfull spel his/her/its balls turn to heavy weight Tungstun balls Dealing a wooping 1d12 Damage.
Every round the target takes another 1d6 damage to the groin. 

The spell can be undone by either : 
- Healing Potion ( of any kind )
- Healing spell ( of any kind )