Board Thread:Warhammer 40k General Discussion/@comment-14745711-20140928092626/@comment-25149066-20140929051115

The space marine chapters would flock to their gene-sires in a heart beat. Separate chapters from the main one would mean nothing to them because they all venerate their primarchs. The astartes see the corruption of the Imperium better than anyone but often feel helpless to remove it because they know it isn't there place. Given the chance to serve under their Lord Primarchs most chapters (not all of them) would quickly fall in line and crush any opposition to the Primarchs power grab.

The people of the Imperium already see the space marines as basically angels walking amoung them, but having the Sons of the God Emperor appear before them would shake them to the core. Depending on the local Eclesiarchy beliefs I would be willing to believe that billions of people would fanatically flock to their feet. They would follow the Demi Gods through hellfire if that was what they asked for.

Hearing of the Primarchs return I would be willing to believe the High Lords of Terra wouldn't even give it much thought before coming to the conclusion that the Primarchs are just fakes, immediately sending out assassins to deal with them. Change is bad!

I have no clue what the Inquisition would think of the Primarchs.