Root of All Pain

Your finger pushes a tiny root into the target's body that begins to grow, burrowing through the nervous system as it feeds off the electric signals triggered by the agonizing pain of its intrusive spread. The target attempts a Fortitude save. Critical Success The target is unaffected. Success The target takes 2d8 mental damage the first time each round it performs any action other than an action that is purely mental, such as Recall Knowledge (or other actions Failure As success, except the target takes 4d8 mental damage and is Slowed 1 for the duration of the spell. Critical Failure As success, except the target takes 6d8 mental damage and is Slowed 2 for the duration of the spell.