Crossbow SpeedSculpt, Alisa Seliverstova : It took me 7 hours for modeling/sculpting (ZBrush, ZModeler), plus few hours for rendering and post-production.
Concept-art by Dong-hwan Ji
https://artstation.com/artwork/JO56R
Concept-art by Dong-hwan Ji
https://artstation.com/artwork/JO56R