I gather you're trying to write an anime or anime-styled thing--something specifically meant to be drawn and not acted out in live action, right?
If so, the Power Rangers screenplay might not cut it for you. Animation (especially Japanese animation) has a very distinct flair that's very much separate from American live action, so perhaps something like the Scott Pilgrim vs. the World script or something with a similar style would serve as a better frame of reference. Just my two cents on that; Anthony's idea of consulting Power Rangers really isn't a bad one--you COULD find some good refs in there.
In any case, what you're talking about can be as simple as a bunch of short, descriptive words or something as long as a montage (IMO, the shorter the better).
I wrote some examples. They're not perfect, but I think you'll get the gist.
Also, sentence fragments are A-OK as long as you clearly have a grasp of the English language and as long as you clearly convey in your prose what you're trying to tell to the reader.
Some people will tell you otherwise about fragments. They might tell you to either not use them at all or to use them very sparingly. Those people wrong and I'll leave that at that. Others are free to disagree with me, of course, so make of that what you will.
Jane Doe strikes a pose. An unnatural light blooms around the outline of her body. Bracelets manifest from thin air, clamp onto her wrists. Then greaves, leggings, breastplate. It's a complete transformation, fluid and colorful.
Jane strikes a pose. A light engulfs her.
-Bracelets manifest, clamp onto her wrists.
The only way there'd be a problem would be if people read your prose and can't tell what's going on. Other than that, you may be overthinking this one.