To get you on the path: Athiss Fusion-core has the model of the first, Virtuous Ardent Blade has the model of the middle one, and I can't quite tell but I think the last is shared by Vile Venerable Ardent Blade.
The icons you're looking for:
http://i.imgur.com/QYv7XSa.jpg
http://i.imgur.com/faW7rIt.jpg
http://i.imgur.com/Olivuvc.jpg