User blog comment:NecrusIV/Requesting approval: El'Jonson Heresy/Empire of Ynnead/@comment-4608429-20120821145444/@comment-3258762-20120821150252

Aren't you thinking of the Space Marines who became like a Space Marine Inquisition which led to the Grey Knights? Then again, if Malcador hid Titan for them, i guess it has to be before the Battle of Terra