This is an inspiration of H.R. Giger´s art and also mass effect game art I made a sketch on dynamesh zbrush and then I start to retopo with blender and its greats tools for retopology and modelling to complete the task and after that I render it out with cycles render engine around 15 different passes and finally I made the composite in Affinity photo and natron nodes. with displacement I made them with .5 midtones because it give me good results even if is not so clear at the view port