Game Ogre

S1, E8: A prison escapee from Hank's past returns on a quest for vengeance, leaving a trail of bodies in his wake. As the investigation continues, Nick comes to realise that this man is more than initially suspected and finds himself up against a rare and nearly unstoppable Wesen. After being battered in his own home and put in the hospital by his damage resistant foe, Nick turns to Monroe to end the violence and save Hank's life.