One thing about The Hu, if they were across the battlefield from you in about 1400AD, if they started singing, this would be quite intimidating.
For sure... Look at the people that live in the coldest city in the Russian federation some time. People that live in temps our nuts would shrink up into our shoulders when they think it is T Shirt weather. This is why Attila was so scary.
https://www.youtube.com/watch?v=Fz4ZMLsPzqM
The Yakutzians are scary.