The funny thing is that you can safely ignore the latter in favor of the former. The Kir’ko use Biochemical and Psionic attacks.
Both racial boons are further improved by either commander skills or mods. The second is simply being able to heal more after each battle. That means just putting units close together is enough to turn them into a balled fist (err, or a claw or pincer) that’s ready to punch through opposing armies. The first is a passive that grants a +2 bonus to defenses when there are nearby units with Swarm Shields (which is practically almost every other Kir’ko unit).
This is because of two racial bonuses - Swarm Shields and improved regenerative capabilities. Let’s start with the most obvious: The Kir’ko faction has the potential to be nigh unstoppable in your Age of Wonders: Planetfall playthrough. Age of Wonders: Planetfall – The Kir’ko faction