The model is a high quality product! "Orc-Berserker" archive contains FBX file(see the last image) and 4K-textures(.tif):

Orc: diffuse, normal, gloss, specular, concavity, AO; Axe: diffuse, normal, gloss, specular, concavity, AO, emissive;

Orc+ 1Axe: 21551 verts, 23084 faces; Orc+ 2Axe: 24320 verts, 22707 faces;

Enjoy!)