User blog comment:40kfan/A Community Project Idea - Part 2/@comment-10541616-20141203023104

Xaphuris' role is pretty basic: he's both the leader and the founder of the Dark Covenant. As stated before, he is a zealot, but a more military-minded zealot, which is why he books no weakness in the ranks of his followers. That's why he's no doubt going extremely critical of those under his command, particularly his lieutenants.