post S5 AU – After being embraced by the mysterious White Light. Damon encountered the Celestial Court all of which they recruited the elder Salvatore to be an Earthly Guardian. Resurrecting back on Earth since god knows how long since his untimely death. Yet, the former vampire can’t communicate with anyone. Words don’t form sentences and his mind is as innocent as a child’s. He remembers no one but gets a feeling around them. As for being a Guardian? Well he’s getting used to that.