Changes

It was said that Mortarion brought his relentlessness to the Death Guard legion and they followed his ideals. He only ever found friendship in two other Primarchs, [[Night Haunter]] and [[Horus]], or by others who were shunned by their brothers such as [[Perturabo]] and [[Lion El'Jonson]]{{Fn|27}}. So close did Mortarion and Horus become that the ever watchful [[Roboute Guilliman]] of the [[Ultramarines]] and [[Corax]] of the [[Raven Guard]] approached the Emperor with concerns as to where Mortarion's loyalties lay. The Emperor waved it aside with a hand gesture; loyalty to Horus was loyalty to the Emperor{{Fn|1}}{{Fn|6b}}. Meanwhile, Mortarion was frequently critical of [[Magnus the Red]] over his use of [[Librarian]]s and was one of the chief voices to ban [[Psyker]]s among the Astartes Legions at the [[Council of Nikea]].{{Fn|11}} Mortarion expressed a hatred of all things related to the [[Warp]], and felt betrayed when he managed to sneak into the [[Imperial Palace]] and discovered the [[Golden Throne]] under construction. However after [[Malcador (Character)|Malcador]] explained that the purpose of the Golden Throne was to remove mankind's need of the Warp, Mortarion was put more at ease.{{Fn|10}} Mortarion also clashed with other Primarch's who he felt had upbringings far easier than his hell on Barbarus, particularly [[Sanguinius]], [[Jaghatai Khan]], and [[Fulgrim]].{{Fn|9}}