Ultimate Swampfire

Ultimate Swampfire is Ben's new version of Swampfire in Ben 10: Ultimate Alien. In the series finale of Ben 10: Alien Force it is revealed that Ben changed Swampfire into Ultimate Swampfire and Swampfire has now changed powers, he can now swim, control, he is able to shoot ice and blue fire, and can still control plant life. His first appearance is in The Final Battle: Part 2 when Ben changes his Swampfire to Ultimate Swampfire.