|Powers and abilities|
|Voice Actor||Dee Bradley Baker|
|First Appearance||The Final Battle: Part 2|
Ultimate Swampfire is the evolved form of Swampfire.
Ultimate Swampfire has the appearance of a humanoid tree instead of a walking plant like Swampfire. Ultimate Swampfire's body is dark brown in color, and now has three blue gooey shells containing an organic, blue colored gel-like solution of napalm 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 also has a smaller pod on his front, through which his face can be seen. Ultimate Swampfire's body is composed of petrified wood.
Ultimate Swampfire wears the evolved Ultimatrix symbol on his chest.
Powers and Abilities
Ultimate Swampfire is more resistant to damage than Swampfire.
Ultimate Swampfire has lethal fire bombs on his arms which he can throw. Ultimate Swampfire can also fire a huge blue fire blast when he puts his hands together.
Ultimate Swampfire possesses enhanced strength.
Ultimate Swampfire can propel himself underwater.
Ultimate Swampfire has the same plant abilities as Swampfire.
Ultimate Swampfire can grow things on his body, as seen in The Final Battle: Part 2.
Unlike Swampfire, Ultimate Swampfire cannot regenerate.
- Ultimate Swampfire first appeared in The Final Battle: Part 2.
- Ultimate Swampfire returns to Ultimate Alien in Ultimate Aggregor.
- In The Forge of Creation,
- Ultimate Swampfire was defeated by Ultimate Aggregor.
- In Eye of the Beholder,
- Ultimate Swampfire fought the Sentinels and three guardians.
- In The Big Story,
- Ultimate Swampfire defeated the Plant Alien.
- In Ben 10,000 Returns,
- In Night of the Living Nightmare,
- In a dream, Ultimate Swampfire is seen confronting Albedo.
|===Ben 10: Alien Force===
Ben 10: Ultimate Alien
Video GamesPotis Altiare Sunder stole and jumped from the collapsing Eiffel Tower.
Ultimate Swampfire has fire bombs which he can throw at enemies, by spinning, spread them out around him or launch them at enemies, homing in on them like missiles. He can also launch a flamethrower-like stream of fire from both hands.
By punching the ground, Ultimate Swampfire can create a large fire blast.
Ultimate Swampfire can fly by launching fire from his palms as jet propulsion.
Ultimate Swampfire can knock out enemies with a single punch.
Ultimate Swampfire is also a toon football player in Toon Football and also the first Ultimate form to be in Toon Football.
In Project Exonaut, Ultimate Swampfire is an available Exosuit at Level 30. He is on the Banzai Squadron team.
Naming and Translations
|Dutch||Ultieme Moerasvuur||From ultieme, ultimate and moerasvuur, Swampfire|
|French||Ultimate Régénérator||From ultimate and régénerer, regenerate|
|Greek||Απόλυτος Βαλτοφωτιάς||From απόλυτος, ultimate and βαλτοφωτιάς, swampfire|
|Polish||Ostateczny Szlamfajer||From ostateczny, ultimate and szlamfajer, Swampfire|
|Italian||Ultra Fangofiammante||From ultra, ultimate and fangofiammante, flaming mud|
|Bulgarian||Ултра Блатоплам||From ултра, ultimate; блато-, swamp and -плам, fire|
|Portuguese (Brazil)|| Fogo Selvagem Supremo|
Fogo Fátuo Supremo
| From fogo, fire, selvagem wild and supremo, ultimate|
From fogo fátuo, swampfire and supremo, ultimate
|Spanish (Hispanic America)||Fuego Pantanoso Supremo||From fuego pantanoso, swampfire and supremo, supreme|
|Spanish (Spain)||Ultimate Fangoso||From fangoso, swampfire|
|Romanian||Flacara Vie X||From flacara vie, live flame|
|Turkish (Türkçe)||Ultimate Çamur Ateş||From Ultimate, ultimate and Çamur Ateş, mud fire|
|German||Ultimativer Schlammfeuer||From ultimativ, ultimate and Schlammfeuer, mud fire|
|Russian||Высший Пламенный||From высший пламенный, ultimate flaming one|
|Sweden||Ultimata Träskeld||From ultimata, ultimate and träskeld, swampfire|
|Arabic||سوامب فاير الأقصي|
|Chinese||终极沼泽火||From 终极(Zhōng Jí), ultimate and 沼泽(Zhǎo Zé)， swamp and 火(Huǒ), fire.|
- In a beta Ben 10 action comic cover, Ultimate Swampfire appeared to resemble Heatblast, being red, while the napalm shells were yellow.
- Ultimate Swampfire (along with Ultimate Echo Echo) undergoes one of the most drastic physical changes out of all the Ultimate forms.
- Almost every time Ultimate Swampfire transforms, he bends his arms at his elbows, and holds them upwards while shouting his name (except in The Big Story and in Ben 10,000 Returns).
- Ultimate Swampfire is the only Ultimate Form used by Ben to appear before Ultimate Alien.
- Ultimate Swampfire is the first Ultimate Form to be used by Ben, and is also a reference to Ben transforming into fire-based aliens first: Heatblast, Swampfire, and now Ultimate Swampfire.