User blog comment:Jimeee/Bethesda Games Studios: "Moving to our next adventure"/@comment-76.16.151.231-20130425011857/@comment-67.177.107.19-20130428011229

Like I said, they all became the brass skin of Numidium, except Yagrum because he was in an outer realm at the time. There is a long document online detailing this, a bit of a heavy read, look it up its pretty cool.