User blog comment:Supahbadmarine/Unholy Nightmare!/@comment-1536954-20110302073539/@comment-2253300-20110621120818

Yes, but Leviathan came straight up through the galactic plain. Also I believe that it is either Hive Fleet Scylla or Charybdis that is coming from the Segmentum Pacificus. Besides, while Andromeda is the best theory, it is not the only one.