Sea of Clouds in houdini 20, render in Karma using Karma Cloud Shader and Karma Physical Sky.
Cloud Cache: 108Gb
Render: 10min/frame
Download Project File:
https://www.artstation.com/a/37333902
or
https://payhip.com/b/HPkGT
or
https://www.javen.cn/cloudsea.html
or
https://javencgi.gumroad.com/l/cloudsea