Quote Originally Posted by Alhanelem View Post
It should be made clear that it's not actually known what the other Colosseum area was supposed to be for. They never really said anything about it. Many people assumed it would be a duel area because of the extremely tiny area (same size as 1 of the four blocks of The Pit) but that was only speculation.
That is not true. It was originally announced as a PvP arena in the early notes. This was one of many features SE announced, but never followed-through with.