Game ready Viking Warrior 3D Character

It's been nearly 2.5 years since I started this job and I am so eager to make realistic models for the first time. The thoughts that I can do better now are bugging me, I hope the next model will be many times better than this one :)

Features of the model;
6 Different materials for all character. All of the materials have:
NormalMaps(DirectX), Color Map(Albedo), Metallic Map, Ambient Map, Rougness Map, Height Map. (Beard material including Opacity map.)
All texture maps have 4K resolution.
Poly Counts of the model;
Body: 11,436 Faces
Body(Cutted): 7,710 Faces
Beard: 8,678 Faces
Clothes: 10,547 Faces
Axe(Per one): 1,520 Faces
Total Game-Ready: 29,975 Faces