Based on the awesome concept from Alexis Rives https://www.artstation.com/deadslug
The high model was done in zbrush, retopo with topogun, texture in 3dcoat, some refinements in photoshop, rig and anims with 3dsmax.
And the final renders in Marmoset.
If you want to see the model with more renders have a look to https://www.artstation.com/artwork/DPdeO
Hope you like it.