Yes, It's a D3 barbarian! In particular, it's the medium armor concept art. Thank you! Your compliment really means a lot to me- It's not often that I have a costume where I feel my body type is applicable and even less that people appreciate it.
I really like that you played your body type towards this costume (I assume this is D3 barbarian right?) because a smaller girl would have looked silly in this costume. You on the other hand look strong and badass! Great work!