Board Thread:Warhammer 40k General Discussion/@comment-58.178.141.62-20140405080514/@comment-24661246-20140410113001

Many contigents might have stayed loyal to the Emperor when their Prmarchs decided to rebel. The galaxy is a large place and it was not uncommon for enitire chapters to be sent of on their own missions. Some of these isolated contigents must have stayed loyal especially since they would not have been exposed to the malign influence of chaos.