User blog comment:SniperGhost/Death Before Dishonor/@comment-1932673-20100617080017

Zarkreus will also keep clear of Big K and will hate him, and NecrusIV I was refering to the respect protacals, etc used by the Astartes and that if Oberon not Careful Zarkreus will put him in his place, after all is a Chapter Master and extremly powerful psyker and the most senior out of all the Marines in the story (excluding old Dreadnoughts).