The metallic claws are for showing off his authority and position, definitely. They would be more like a hindrance in an actual fight.
The idea came from this picture showing a Mongolian shaman wearing two similar claws on their fingers ngm.nationalgeographic.com/201…. Plus, having excessively long fingernails has traditionally been a sigh of aristocracy and nobility in China and other parts of Asia.
He looks so fancy but yet determined o: if one would see it at a distance he would pose no threat at all but man.. if they saw those eyes they would be running for the hills xD a nice breath of fresh air from the giant bulky steroid warlord clichés we see everywhere e w e
Ha, that's exactly what kind of impression I wanted to give about him! And indeed, I've always thought that the warriors are supposed to be giant and bulky because they do all the fighting, but warlords are the brains of the battle and they don't essentially need to be that muscly :'3