Zoe's martial art was a bit different to Andrew's explosive close-combat style. It was more brutal, a technique that doesn't follow the traditional fist techniques as it is a raw and instinctive hand-to-hand combat style that mimics the movements of apex predators, enhancing her reactions and strength.
Hence the core techniques are Savage Pounce Strike, Beast Claw Rend, Feral Reflex Counter, Predator's Dominance, and Wild Hunt Blitz.
If Zoe mastered the breathing technique and her martial art called Primal Instinct Brawling, Eric prayed she would still recognize her identity as a human… not a hybrid.
Before, when he wrote the breathing techniques, it was Zoe's breathing technique that was unique. Now, it was Samantha's martial art that was quite unique to others.
Her martial art called Verdant Edge Duality is a stealthy and terrain-adaptive knife style that allows her to modify her body's biology and environment for an advantage.