Cordus-Rho is a Prime Hermeticon Magos, who fought in Indomitus Crusade Fleet Primus.[1]
History
While doing so, he developed a petty rivalry with Magos GiFellivo which resulted in the two refusing to allow their armies to fight together against the many enemies the Crusade Fleet faced. This eventually became such a problem that Lord Commander Guilliman was forced to intervene and ordered them to aid each other during the Battle of Raukos or, he swore, they would both have to answer to him.[1]
Source
- 1: Dark Imperium (Novel), Chapter 4