In the Blood Angels codex it says "You can take one unit of Honour Guard for every HQ you have in your army, not counting Honour Guard units" But it does not say that you have to attach or keep them together. Just to clarify, do this Honour guard fall under the Retinues paragraph of the Independent characters section of the 40k rule book? Or can it roam on its own and start off the game without the Independent character?