Board Thread:Lore Discussion/@comment-15146536-20130811054430/@comment-9887604-20130811063804

That information comes from the Arcturian Heresy, Ysmir is more of a title than anything else. The Ysmir you are referring to is Wulfharth, and that event may or may be the whole truth. It was written by Wulfharth, and his writings seem to glorify his own role and twist facts to fit it.