As I was still trying to improve in 3D environment, I created this piece for the CG Weeckly Challenge with Forest Creature Topic. All the scene has been built in Blender. I sculpted there the rocky squid. It has been rendered with GarageFarm.net using Cycles. Post-production made in Photoshop.
For the ones interested in making a forest in Blender and getting some tips, you can find a detailed making-of there: https://evermotion.org/tutorials/show/11125/making-of-forest-creature