I don't even know if it's real text, it kind looks like

Sigmund
The Path of the northern warriors

But doesn't make sense because of the letters/runes don't correspond to the same alphabet equivalent, maybe just there for style points idk

Some other posts, kinda making-of available, no embedded to not spam comments:

asset #50203728
asset #50203778
asset #50203783
asset #50203787

MTL for the image with Korean text:

Snow Warrior Concept
- Cheerful and spirited personality
- Physique of approximately 16–18 years old
- Fluffy, furry design with white as the dominant color
- Uses a double-edged axe as large as itself as a weapon