User blog comment:Jimeee/Dragonborn DLC trailer released./@comment-142.150.107.197-20121105160919/@comment-142.150.5.217-20121105165643

OP here. But the trailer said that the priest was set on returning, just as the others have as well. True, it makes a lot of sense if he was from the Merethic Era. Maybe the eight dragon priests sealed him away for his indisgecion (sorry bad spelling there).