Wow
This is your first? Very impressive! No really! I am a little bit jealous because in my school we don't get much time for video animation. (the only results i could get are the two things i submitted here...)
Okay now firin' some critizizm:
You should ad additional frames to make the animation more fluent. The pixelart style was okay i like that style, too. Try to use more exciting poses and the music was no good choice i think. In the beginning it created a feeling for the scenery but as the characters begin to fight the music is to slow. The sound effects seemed to come from a different world. Mabe because they were too loud.
Keep up the good work! I think you will reach a lot ^^