|Prior forms||Gotsumon + Digi-Egg of Courage|
Gasomon is the Armor Digivolved form of Gotsumon through the Digi-Egg of Courage. He resembles an Gasosaurus and is Greymon's rival, but even he pales in comparison with Gasomon's extremely violent nature. He is able to run at hyper speeds with his strong legs.
- Dino Blaster: Shoots a stream of solar-hot flame from his mouth.
- Dyna Blade: Releases a blue X-shaped crescent beam from his claws.
- Terra Burst (Earthquake Wave): Stomps his foot, generating fissures that extend up to 50 meters ahead of it and hurl out rocks as the shock waves erupt from underground, which inflicts damage on those nearby.
- Steam Flame: Releases a volcanic flame, mixed with vaporized steam from his mouth.
- Magma Pulse: Fires a destructive blast of blue magma, mixed with liquid metal from his mouth.
- Dyna Destroyer: Emits a blue beam of electricity through his eyes.