Hi all.
I wondered whether it would be fitting to consider the Slaugth as a race that are or were devoted to the C'tan. Similar to Krork and Eldar being servant races of the Old Ones. The Necrons do not make a good antagonist race for my campaign as they are not subtle and sentient enough. Whether the Slaugth are still fully devoted to the C'tan, knowingly or not, does not matter for me at the moment. Even though this is also an interesting point. The reason I see the Slaugth as fitting is due to their Psychic Null ability, their knowledge of elemental physics, their ability to traverse interstellar distances withought the use of the warp, their 'harvest-the-living' (or dead for that matter...) attitude and their Necron-similar weapons.
What do you think?