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Ultimate Swampfire
General Information
Species Evolved Methanosian
Home World Methanos
Body Humanoid Tree
Devolved Form Swampfire
Powers and abilities
Abilities Blue Pyrokinesis
Enhanced Strength
Fire Bombs
Fire Tornadoes
Shock Waves
Pyro Immunity
Napalm Strikes
Voice Actor Dee Bradley Baker

Ultimate Swampfire is the evolved form of Swampfire.


Ultimate Swampfire appears more of a humanoid tree instead of a walking plant like Swampfire. His body is now dark brown in color, and now has three blue gooey shells containing an organic, blue colored napalm kerosene gel-like solution on his arms and a large one on his back, that he uses to generate blue colored flames that are about three times hotter than Swampfire's. He is still about the same size as his original form. He also has the same root-like feet as Swampfire. He now has a blue Heatblast-like face inside a blue bubble made of the same solution on his arms. His body is now composed of petrified wood which is generally wood that is turned into and hard as rock. His voice is now slightly deeper than Swampfire's.

Ultimate Swampfire wears the evolved Ultimatrix symbol on his chest.

Powers and AbilitiesEdit

Ultimate Swampfire's pyrokinetic and chlorokinetic abilities have dramatically increased. He is now made of petrified wood that makes him more resistant to damage. He has lethal fire bombs. Ultimate Swampfire's blue colored flames are about three times hotter than Swampfire's. He can shoot a huge blue fire blast when he puts his hands together. His fireblasts can act as propellers underwater. He possesses enhanced strength, stronger than Swampfire. He has the same plant abilities as Swampfire. He seems to be a lot faster than he looks, in Ben 10,000 Returns he snuck up behind Eon so fast he hadn't noticed him. Although he can't regenerate, he can still grow parts of his own body, as seen in The Final Battle: Part 2.


Ultimate Swampfire is shown to be weak to electricity as seen in Ultimate Aggregor and The Forge of Creation when Aggregor used the same attack twice in both episodes.

Alien Force and Ultimate AlienEdit


Ben 10: Alien ForceEdit

Ben 10: Ultimate AlienEdit


  • In a beta Ben 10 action comic cover Ultimate Swampfire appeared to resemble Heatblast, being red, while the napalm shells were yellow.
  • Of the Ultimate forms, Ultimate Swampfire's physical structure changed much more drastically than the others with the exception of Ultimate Echo Echo.
  • Every time Ultimate Swampfire transforms, he bends his arms at his elbows, and holds them upwards while shouting his name except in Ben 10,000 Returns.
Ben 10: MEGA Alien
Alien X| AmpFibian| Armodrillo| Arcticguana| Atom| Benmummy| Benvicktor| Benwolf| Big Chill| Brainstorm| Buzzshock| Cannonbolt| ChamAlien| Clockwork| Colourless| Diamondhead| Ditto| Eatle| Echo Echo| Eye Guy| FuzzBall| Ghostfreak| Goop | Grey Matter| Heatblast| Hopefull| Humungousaur| Jury Rigg| Lodestar| Nanomech| NRG| Rath| Ripjaws| Spidermonkey| Spitter| Stickler| Stormfront| Swampfire| Shocksquatch| Terraspin| TriWuzzo| Upchuck| Upgrade| Water Hazard| Way Big| Wildmutt| XLR8
Additional Aliens
Headache | Snakepit | Toepick | Shellhead | Surprise Alien | Brainwave | Falconator | Organism | Unseen Alien
Re-Unlocked Aliens
Stinkfly | Fasttrack
Ultimate Forms
Ultimate Swampfire | Ultimate Big Chill | Ultimate Humongousaur | Ultimate Echo Echo | Ultimate Spidermonkey | Ultimate Cannonbolt | Ultimate Wildmutt | Ultimate Goop | Ultimate FuzzBall | Ultimate Hopefull | Ultimate Rath | Ultimate Ben | Ultimate Way Big
MEGA Forms
MEGA Rath | MEGA Spidermonkey | MEGA Cannonbolt