What Should I Call This Species

So I’m weighting a book with three MCs. It’s told from multiple perspectives. One of the MCs is a species called a Primal, basically the embodiment of a concept. They’re a Primal (Cosmic), which basically means they’re an elemental that is formed of more concentrated mana. This information is useful as there is another species simulate to the primal which I can’t figure out what I want to name.

The second species which I can’t name is based around to opposing concepts. Similar to primal a in that they embody concepts they embody two and they’re opposing. The Mc is a Life-Death embodiment but there will be others, like Chaos and Order, Fire and Ice, Void and Creation, etc. I at first wanted to call them Laws, but in the case of a Chaos and Order embodiment it would lean towards the Order side. Then I thought Cycle but that doesn’t work when the opposing concepts don’t form a cycle. Now I’m thinking of something completely different.

Anyway, please give me ideas on how to come up with names or just names and your reasoning behind them. Please and thank you. 👍👍👍