This has it's ups and downs, that's for sure. The flash as a whole seems to move too slowly, considering it is a war scene. There's just something missing that gives it that exciting feel. You did do a good job cinematography, though. I liked the scene with the arrow being raised up and fired, it looks like a scene you'd see in a movie.
The animation was okay, but your drawings could use a little more effort, I think.
Overall not a bad flash, but in need of much work.