Paladin Greatsword

I made this greatsword based on my campain of D&D with my friends (no, I wasn't the paladin). This Greatsword (named Nova Era) was very important in the story, so I decided to make it. I had almost no reference images, so I tried to put togheder some ideas, changing them sometimes during the project (it hursts). From my point of view it's still a WIP, but I would like to have some advices to improve it. For the first time I used Substance Painter 2, I still have to study it decently, but I want to integrate it more often from now on!
Modelled in Maya, textured in Substance Desiner 2, some Photoshop, back in Maya to render it in Arnold.