Besides the obvious answer of "Wait til March 20th for The Legend of Dead Kel." Is there anything left to do? Any other end game dungeons/quests/bosses/loot? Primordia pretty much was nothing. Not sure why that was the end game dungeon. There was nothing of value in it and it was short as hell.
By your left hand green will stain red to bring forth the black. For to kill one is to murder all.