Based on a concept by David Harrington:
https://www.artstation.com/artwork/d36QX
Check out my full portfolio entry, including lighting setup in UE4 and some breakdowns:
https://www.artstation.com/artwork/ybQXBK
You can contact/follow me via Instagram or Twitter!
https://www.instagram.com/mathsgameart/
https://twitter.com/MathsGameArt