Honestly, I keep mixing up some of the secondary names because I just devoured 'Primal Awakening' in a weekend binge-read. The absolute core is Aris Thorne, the scholar who gets dumped into that brutal wilderness and has to tap into instincts he never knew he had. Then there's Kael, the veteran hunter from the Stone Paw tribe who becomes his reluctant mentor—their dynamic is the heart of the book. Kael's sister, Lyra, is a major player too; she's the spiritual anchor of the tribe and has her own secret connection to the primal energies. Don't forget Vex, the chieftain who opposes their methods, he's a constant source of conflict. And lurking in the background is the Shade Stalker, this almost mythical beast that represents the ultimate threat. The characters aren't just good or evil, they're all trying to survive in a world that's literally alive and fighting back.
I'd say the key trio is Aris, Kael, and Lyra, for sure. Their triangle drives most of the plot, with Aris learning the rules, Kael teaching them, and Lyra questioning what the rules even are. The antagonists like Vex feel a bit underdeveloped maybe, but I'm hoping the sequel fleshes them out.