>>95846414
>If the Imperium wasn’t always being assailed by major threats they’d be able to mobilize a force large enough to take out Commorragh — assuming they could get some Eldar to help them with getting at it en-masse like that.
Commorragh is so large it has entrances spread across the galaxy
It probably has a population in the hundreds of trillions at least, and they own all the best eldar superweapons, so they'd easily trounce an invasion force except one literally allowed in like Vect killing his rivals with a salamander invasion