For when you need your hive tyrant bigger, meatier and terrifying to imperial guardsmen!
I had just bought a hive tyrant model and after assembling him and giving a basic paint job I was very unsatisfied with how he actually looked... he just looked weak, army commanders can't look weak now can they?
I had a carnifex set laying around with a few missing bits so I decided to mash them up with a few hive tyrant spares I bought.
Here is my result after assembly stage.