Yeah, theres some degree of topaz, but Im pretty sure this render is already really really smooth. I only use high quality stuff, to avoid having a good work go bad, because of a single resource quality.
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Flow is the most important as it gives youre signature movement, and makes the composition look well made together.
Moderate use of effects is what I feel is the best. You dont need to cram youre sig with effects, you have to make it unique and clean so that people can figure out what is the focal, whats happening, feel the signature ^^