Blood angels, a lovely breed to own. Easy to leave by themselves allows them to their own enrichment while still being loyal to you. Course although you don't need to constantly tend to their needs, there is still one thing you have to do. Much like space wolves they have rather long claws, and thus comes the task of trimming them.

He whines as you trim his claws, good enough to not make a scene but still disobedient enough to whine.