It was something they had never come up against before; it was as elusive as the Men of Letters, as rare and valuable as the wing of an angel. It was a trustworthy as Dean and as smart as Sammy. They both had found an ally in the least unlikely of people, a hunter much like themselves, the elite of the elite. It was a Grimm, a descendent of a group of hunters who fight to keep humanity safe from the supernatural creatures of the world.
"The world doesn't look so grim now Sammy" Dean cajoled at the hunter.