Family doesn't just end in blood. We all know and love the Winchester Brothers, their Angel companion Castiel, and the people they meet along the way. However, just because family extends passed bloodlines...sometimes, unexpected family member make their appearance. Batman has gone through several tough weeks following one terrible Halloween night. His prodigal son - Jason Todd, or now The Arkham Knight - has fled Gotham to who know's where. The World's Greatest Detective is quick to pick up on patterns and messy trails, and boy, does Jason leave a path of pure destruction. That trail, leads to Kansas, and the sleepy town of Lebanon. Supernatural cases and the rising body count of the criminal population causes Dean, Sam, and Castiel to take a vested interest. Team Free Will take it upon themselves to uncover the mystery of The Arkham Knight... The Batman and his extended family have no choice but to head down to Kansas, to bring back what was lost to them. However, Castiel knows more then he's letting on, regarding the new vigilante in town...and that information, once uncovered, will change the Winchester's lives forever... A wayward son has come home. (SUPERNATURAL X DC CROSSOVER! All characters belong to their respected owners, and all music used is not my own, and belongs to their respected creators! This takes place after the events of Arkham Knight. All SPN characters I wanted in this are alive!)