Right leg looks broken, sword isn't held correctly and body doesn't match the running more like he got hurt.
This is more of what you looking for i'm guessing
The legs have to keep moving in a direction and in a style, you have 2 frames 2 times in less than 1 sec that make it do a skip-jump which is not what you need. The arm placement is fine but needs work, lower it or bend it into something. This is the an example of what i said:
Hope this helps