A collaboration between 3 artists.
Tech/Lighting/Camera/Shaders/FX: https://www.artstation.com/stefangroenewoud
3D Modeling/Texturing: https://www.artstation.com/nazz
Animation: https://vimeo.com/montykerson
Blogpost about the Lighting:
https://www.artstation.com/blogs/stefangroenewoud/qdEE/lighting-of-mr-tentacles