Watchers

Compact's ruling species. No one had ever seen one outside of their armour. They are the Triarchs’ utterly and unquestionably loyal retainers, serving as guards, stewards, observers and emissaries. The Watchers are a physical implement of their masters’ will.

Notable Watchers:

Eighth - from https://forums.spacebattles.com/threads/the-last-angel.244209/page-70#post-14630345