Karin Tower, Dragon Ball Z (Concept by Sylvain Sarailh)

One day project...without render times 
From the colorful world of Sylvain Sarrailh aka Tohad. (https://www.artstation.com/artwork/4bEbBL)

Modeled in Blender, VDB clouds in front and spectral volumetric clouds from Vue for the background, hdri also made in Vue, rendered in Arnold.