Not a Good Start for your Series
If you really do plan on making a series as stated in the description, I can't say that this was a good or even okay start. I will admit that the animation was good considering that this is only your second flash in the portal, but in the grand scheme of things, the visuals were subpar. The story is my chief complaint with this flash. The flash was very short, which might be acceptable for some flash, but for any part of a series it is not. We don't what's going on, who the characters are, what their motivation is, or what there goals are. The audio was not good at all. First and foremost, there was no music, and music is very important for a flash, especially fight scenes. Second, the sound effects did not match what was happening on screen. For example, when the sword came into contact with the enemy, it made a sound that would only be produced if you hit one sword against another. In total, this seems more like a trailer than an episode, and if you really have your heart set on making a series, I advise you to make a revised episode one. Include music, better sound effects, more variety in the visuals and animation, and most of all, make it longer, and you may just have a successful series.