Gwen fights in battle as Diamondhead and quickly understands the power.\r<br>\r<br>Watch more Ben 10 on Cartoon Network!\r<br>Watch more videos and play Ben 10 games:\r<br>\r<br>\r<br>Watch more videos on the go, get the Cartoon Networks Watch And Play app here:\r<br>\r<br>\r<br>Check out our Cartoon Network Facebook pages:\r<br>\r<br>
