Forged in the Trial of Thorns where aspirants endure week-long immersion in mutagenic bramble swamps. Only those strong enough to survive the flesh-warping toxins emerge as hulking bruisers with symbiotic thorn armor and corrosive blood.

Dermal layer fused with calcified thorns provides natural armor. Knuckle sap glands secrete acidic compound that melts weapons on impact. Enhanced adrenal system allows sustained berserker rage. Requires weekly toxic sludge baths to maintain mutations.

Living battering rams deployed to break enemy lines during tribal challenges. Serve as walking demonstrations of Predator adaptation philosophy by turning environmental hazards into biological weapons.