Well, more like black knights. My GK are Ruinous, thats right, corrupt, evil...(Kaldor draigo brought back a nasty infection from the warp.I just cant play as good guys.)
They call themselves the Morlocks.
And now we have a warlord, well actually its an imperator. Its 10 feet taller than the dies irae.(47 meters, the dies is 43.)(its 37.5 in, weighing in at what feels like 37 lbs.
Here is a link to more pictures of the Titan.
Black Knight Titan