Not bad!!
That was pretty entertaining, I must say!
There was a lot that stood out to me, particularly how well the design was. Everything regarding design was top notch, including characters and backgrounds, and their simplicity made it nice to look at. Also, camera composition and scene transitions were very smooth. Finally, the sounds and music were very well chosen and made the piece compelling. (Nice kerning too.)
The story was okay, it seemed very all over the place with the fantasy elements. But you seemed to have researched your material well and placed it in that fantasy realm nicely. Also, textures typically bother me, as I find it a bit of a cheap technique to create more noise on the picture. However, it fit the piece alright and didn't bother me too much.
That being said, I still have a few gripes. Were the design and everything else was working for you, the animation was very weak. You mainly seemed to tween or use different pieces. As for your actual frame by frame stuff, it was very awkwardly done - both in drawings and timings. This detracted from it for me a lot.
All in all, i'd say it was pretty above decent. But hey, you'll get better, and hopefully you can take something away from these critiques and improve your stuff! Good luck with whatever it is that you make next, I look forward to it.