To create this model I was inspired concept of Benjamin Last https://www.artstation.com/artwork/egDZX It game ready model, this have 20000 tris It can be used in unreal engine or unity, or similar engines, but may be we will neds to corect bone settings and work relationships. I did not spend a lot of time on it because this is a personal work. my portfolio https://www.artstation.com/derugin ( vidoe and gif you can find in portfolio)