Seems familiar
Okay, I know this is going to sound gauche, but I kept thinking this was a little too similar to "Epic Battle Fantasy". I guess that might be because that is my favorite RPG series and I have played it a lot. The strongest point is that the graphics are actually not half bad and the enemies have an okay design. You really lost points by not having any music or sound effects. As this is intended to be a preview, I guess you did a good job of showing that. It just seems too easy to put in a song you could find to go on forever.
There were good elements like the title screen. There is a fair amount of detail put into this, but again hard to really like something that does not have sound. The gameplay is also decent and it seems to be fairly kind to the player. I hope that the final version is more elobarate. You could make a few more attacks and powerups.