That isn't the actual model of the D'voridex, it's one of Raven's 'picbashes'. The model itself, as someone pointed out, is being made by LC Amaral at BCU.
BC models aren't in Lightwave or Max format, but .nif format and only certain programs/plugins can import them - half the time, a model can't be loaded so it's really a hit and miss routine. It would be easier to get a copy of the original model, before it was exported to .nif. Or see if the modeler would convert it himself.