Guys just want to warn you that I don't know if this will be the model used ingame...This was more for my benefit to teach me how to model humanoids and would rather have someone with better skills at modeling bipeds do it...However, I'll probably still work on this model and post some updates. 
Heres (Wip) version of the Greater Bone Walker that I'm modeling.

Looking good! The legs look a
Looking good! The legs look a little meaty but... I still really like it!