Grey Knights can't be a gunline (most Space Marine armies either can't, or aren't very good at it). Eldar... kinda can, but shouldn't. Orks can't. Tyranids can't.
Grey Knights can't be a gunline (most Space Marine armies either can't, or aren't very good at it). Eldar... kinda can, but shouldn't. Orks can't. Tyranids can't.
I am the Hammer. I am the right hand of my Emperor. I am the tip of His spear, I am the gauntlet about His fist. I am the woes of daemonkind. I am the Hammer.