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I would change tagline text and add more details on front (DNA pattern, texture. etc.) also don't forget to add a logo.
Then don't put it. Put something else.
Hmm. The tagline should be "Master the art of the kill"
"master the art of kill" sounds wierd.
Try upping the Contrast of the front, as it would make the colors sand out more. Its just my opinion that you need to do this.
Huh?