User blog comment:Rafe Adler/Top 10 Things I want in Supernatural Season 12/@comment-27084975-20160904234438/@comment-24695878-20160905190407

If it follows the black dog mythos. Teleportation. It would be similar to a hellhound, but different in specific ways. It would be more like a ghost for one thing. It teleports, has red eyes, and isn't invisible. It also is a death omen.