Board Thread:Warhammer 40k General Discussion/@comment-25618639-20150610194900/@comment-25177957-20150610221320

The Navis Nobilite barely survived the Age of Strife (humanity in general barely survived it), and they most likely did it by signing pacts with the techno barbarians, or rulling their own barbarian states.

Toward the end of the Unification Wars and Age of Strife, the Emperor was collecting together the Noble houses in preparation for the Great Crusade.