|Powers and abilities|
|Abilities|| Flame Projection|
|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 face, 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. 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. 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
- The Final Battle: Part 2 (first appearance)
Ben 10: Ultimate Alien
- Ultimate Aggregor (first re-appearance)
- The Forge of Creation
- Eye of the Beholder
- The Big Story
- Ben 10,000 Returns
- Night of the Living Nightmare (Albedo's dream; cameo)
- Main category: Ultimate Swampfire (Cosmic Destruction Timeline)
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 (Ultieme from Ultimate, from Swampfire)||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||Supreme Wild Fire / Supreme Fatuous Fire|
|Spanish (Latin 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|
|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|
- In a beta Ben 10 action comic cover, Ultimate Swampfire appeared to resemble Heatblast, being red, while the napalm shells were yellow.
- Of all the Ultimate forms, Ultimate Swampfire's physical structure has undergone the most drastic changes (with the exception of Ultimate Echo Echo).
- 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.