STL file link:
http://shorturl.at/ioNRZ
Thank you all for the feedback. I do realize that the model look quite stiff, but it was to depict an almost golem like creature (because of the nature of the Thousand Sons). And the Daemon head was meant to show the marine champion slowly turning into a full Lord of Change. I guess that the original idea was sound but the execution lacking.
Adding a set of wings should not be difficult, although time consuming (because of the feathers), so I may get back to the model in the future.