User blog comment:DirgeOfCerberus111/An Alternate Universe? Let the heresy begin!/@comment-3258762-20110824151506

If were gonna make like a Horus Heresy, we can know that Fulgrim wont be heretical (since he never gets the Slaaneshi sword as Slaanesh never existed) and Alpharius Omegon (both) would also remain loyal, as no eldar would tell them to aid horus and show them the consequences.