Board Thread:General Discussion/@comment-4911512-20151211222441/@comment-27120688-20151215013908

Amatsu was online exclusive. Zinogre can be considered the offline final but technically its in online as well as there is no offline exclusive boss for P 3rd as well. Who knows, if there is an XG, we'll see a final boss to the elite 4, which could be the flagship of said game.