Illidari hunter - Legendary Weapon - Mannoroth's blade displ

I want the display of the Mannoroth's Blade to change.
The display looks like a polearm.

Here is my suggestions of 2 wep displays : www.wowhead.com/item=30311    (Display ID : 41867) 

www.wowhead.com/item=30910            (Display ID : 45360)