|This article belongs to the Classic Timeline|
The sentient Ultimate Swampfire looks just like Ultimate Swampfire, except he has red eyes and lacks the evolved Ultimatrix symbol on his chest.
In The Ultimate Sacrifice, the sentient Ultimate Swampfire, along with the other Ultimates, convinced Ben to commit suicide so they can be free. Ben tried to, but was stopped by Azmuth and they were freed by him and sent to a planet where they could live in peace.
Powers and Abilities
The sentient Ultimate Swampfire can ignite napalm in his arms to generate blue-colored flames. These flames are about three times hotter than a regular Methanosian's, as they can melt through a brick wall and blast apart a Petrosapien's shard projectiles.
The sentient Ultimate Swampfire can produce a larger and stronger blast of fire when he puts his hands together. He can also propel himself underwater and in the air, the former further indicating that he can breathe underwater.
The sentient Ultimate Swampfire is more resistant to damage than a regular Methanosian.
The sentient Ultimate Swampfire has lethal fire bombs on his arms which he can throw as weapons.
The sentient Ultimate Swampfire can shoot blue projectiles from his hands that can multiply into small blue gas bombs that explode on impact.
The sentient Ultimate Swampfire retains a regular Methanosian's abilities to generate seeds and vines.
- The Ultimate Sacrifice (first appearance)