User blog comment:DirgeOfCerberus111/Alternate Time-lines?/@comment-1932673-20110729092012/@comment-1932673-20110730091627

What I meant was that the canon-restrictions would have to be loosened slightly to make this work, not removed entirely. For example if we did something like the Dornian Heresy, theoretically saying the Sons of Horus became the Black Templars is NCF.