All of Ben Tennyson's original alien transformations were cool, but some were much more useful than others, like Heatblast and Upgrade.
All of Ben Tennyson's original alien transformations were cool, but some were much more useful than others, like Stinkfly and Wildmutt.
Ben Tennyson finds an alien device that allows him to transform into ten beings in Ben 10.
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Which of Ben's aliens are stronger, the original ten aliens from the original series or the Ten aliens from Alien Force minus Alien X and replace him with Rath? - Quora
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