Read all about the knights of the Empire in the Knightly Orders Guide.
oh no , I just ate my tongue http://www.games-workshop.com/en-GB/Celestant-Prime
It's extremely Japanese Gnu!
i honestly think GW is going the same way that the world is right now, teetering on global refugee crisis, financial crash and possible world war !
and in fact it has strengthened my 8th edition resolve.