Android 21 (Good): A combination of Shadow Dragons created by previous wishes from The DragonBalls...
Android 21 (Evil): And you look delicious as always, TIME TO EAT YOU AGAIN!!!
DRAGON BALL XENOVERSE 2
https://store.playstation.com/#!/en-us/tid=CUSA05350_00
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https://www.youtube.com/watch?v=CyayEKBICQQ