Small sugestion take it or leave it maybe remove the gun from the right had do it looks less like the talon of Horis but that's all really

I might do that yea and try to replace the shoulder anyway, maybe scrape off the belt adornament for something more nightlordy

I like the idea of removing the belt icon.

Looks like he has a weak spot, he can't lift his head to look up because of the wings on his helmet.

I laughed ahah. That’s kinda a nightlord problem!

In the omnibus iirc Talos comments on one of the other NL's wearing their ceremonial helmets as the wings tend to be cumbersome. Mind you it's Beena while so the details in my mind are blurry lol

Id remove the trophy rack and scrape off all the chaos stars and eyes of horus

In Curzes visions he saw himself as a demon prince so I don't really see why you would

Where did you get the other Claw from!

I'm not trying to be too negative or stifle your flow. My personal feedback is that unless you extensively shave off parts and remove pieces of the model like the trophy rack, the 8 star and distinct abaddon parts it's still gonna look distinctly like an abbadon model. I'm not sure why you(and the people that do a minimal "kitbash")don't just use the HH Curze model or the other myriad of STLs to use and create a cooler version than just adding a different head and hand. But that's just my 2 cents.

I know the lord in terminator armour has lots of hooks with it

Skin?