This trailer, I believe, was also shown during Tokyo Game Show 2013. It introduces the characters from the games, as well as longer previews of the new versions of the opening songs.
Tales of Symphonia Chronicles (JP) - Regal Bryant's Character Video
Regal's video shows him in a few scenes in the game and in battle, though for some reason there's no scene of him in his previously announced Malik costume.
Tales of Symphonia: Unisonant Pack, known as Tales of Symphonia Chronicles in the west, will be released in Japan this October 10, 2013 and in the US and Europe early 2014. Pre-orders are now available at the following places:
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