Ultraman Gaia's History
Ultraman Gaia is the eponymous Ultra Hero of Ultraman Gaia. Gaia is the manifestation of the will of the Earth itself, bonding with Gamu Takayama to fight against the minions of the Radical Destruction Bringer and other monsters and invaders that threaten peace on Earth.
During one of the virtual reality experiments, performed with the secret purpose of discovering the will of the Earth, science protege Gamu Takayama briefly encountered the mysterious glowing red giant, Ultraman Gaia, at the end of a tunnel of light.
When the Radical Destruction Bringer commenced its first wave of attacks on Earth with the C.O.V., XIG was too inexperienced to be effective. Frustrated on how to stop the monster, time stopped and Gamu fell through another light tunnel, where he encountered Gaia again. Because Gamu was so passionately concerned with the fate of Earth and humanity, Gaia accepted Gamu’s will and gave him the Light. Thus, Gamu transformed into Ultraman Gaia and fought and defeated the monster.
From then on, more more Radical Destruction Bringer-generated monsters were sent to Earth. Adding to the matter, Earth-based monsters were mysteriously awoken. Gamu joined XIG as an analyzer, and later created the Esplender to store the Light that was the essence of Gaia.
While on a mission, Gamu had an unexpected reunion with the mysterious Hiroya Fujimiya, the foreboding youth who possessed the Light of Ultraman Agul. Fujimiya was responsible for developing the CRISIS computer array and its dire predictions, whom after many recalculations, learned that the only way to save the Earth from Radical Destruction Bringer was to eliminate humans from the equation. He left the Alchemy Stars in pursue of his own research, only accompanied by Professor Kyoko Inamori. During his attempt to find the will of the Earth, he discovered Agul.
Agul and Gaia both fought against the Radical Destruction Bringer and occasionally helped each other out, although Agul made it clear their alliances were based on his duty for the Earth and his own ambitions, not out of friendship or gratitude. Fujimiya grew more agitated and reckless, and had less and less regard for his fellow humans in his desperate mission to save the Earth. He pushed himself to the point of endangering his own health, and became feverish and irresponsible. After involving himself in a bar fight, he declared that humans must be purged from the Earth.
Gaia and Agul had a major clash and both were badly wounded. Incredible energy was released during the fight, which generated a giant wormhole. An immense serpent named Zoruim partially emerged to invade Earth. It turned out that Zoruim was anticipating this clash, and was able to influence CRISIS's computations. Gamu explained to Fujimiya that Crisis was sabotaged all along, and its analysis was fundamentally flawed. Fujimiya realized everything he believed in was based on this flaw, and became dejected, losing faith in himself. He gave Gamu the Light of Agul so that he could use it to defeat Zoruim. Fujimiya left the scene, seemingly killed by a blast from Zoruim.
To ensure his sacrifice wasn't in vain, Gamu accepted Agul's Light into his Esplender, and afterwards transformed into a new and improved Ultraman Gaia: Gaia V2. Gaia headed for Zoruim and attacked it with the Quantum Stream, but it did little than annoy him. Gaia switched into his new Supreme Version and went into Zoruim through its mouth, and used the Photon Stream to destroy the monster from the inside. The wormhole closed shortly afterwards.
The Crisis Ghost Virus infected GUARD Europe and the Aerial Base’s computer. GUARD Europe was forced to shutdown their computer, and the Aerial Base was nearly taken down. Although Atsuko and Georgie's joined efforts seemingly destroyed the virus, the Crisis Ghost escaped to Geo Base, where it invaded the storage containing the fragments of Apatee and Alguros. After melding the pieces together, it morphed into Imit-Ultraman Gaia. However, it misjudged Ultraman Gaia's power, and its imitation form was quickly revealed to its true face: Mimos, a combination of Apatee and Alguros from the past. Gaia quickly engaged in combat, but soon Mimos gained the upper hand with its new weapons. Mimos pinned Gaia with a fork while its four active boomerangs lashed his hands and feet. Thanks to XIG's air support, Gaia was soon freed and transformed into Supreme Version. Turning the tide, Gaia used the Photon Stream to defeat Mimos.
Agul eventually returned, and he and Gaia set their differences aside to fight the common enemy. When Gamu's life was threatened by the robotic monster Σ-Zuigul, Fujimiya pleaded the Earth itself to let him fight one more time. The Earth accepted him and once again granted him the power of Agul, as Agul Version 2.
Later in the series, GUARD became more proactive in defending Earth. They tried to eliminate the dormant monster Tigris by sending a ground-penetrating nuclear bomb into the ground, a plan that backfired horribly. In another attempt, they created an artificial wormhole to send a planet-killer missile to the home planet of the monsters C.O.V. and Pazuzu, also suffering from disastrous consequences.
The Radical Destruction Bringer took this opportunity to send in enhanced versions of the C.O.V. and a Pazuzu through the wormhole. What became evident to Gamu was that monsters like Tigris, Mizunoeno Dragon, Syazac, and Izac were inhabitants of the Earth like humans were, and perhaps it was not fair to eradicate them when their only instinct was to survive. As for the creatures sent by the Radical Destruction Bringer, they were not inherently evil. When they were sent to Earth their first instinct was simply to survive in an alien environment. Thus, Gamu/Gaia confronted his morals and human motives. Gaia and Agul finally joined forces to defeat the monsters.
Blitz Blots, a black and white avian monster who had the ability to absorb and fire back energy attacks with the its chest, systematically destroyed GUARD's bases, and almost defeated Agul V2 in the process. Tigris II emerged to fight Blitz Blots and with the combined forces of GUARD and Gaia, defeated Blitz Blots.
The Radical Destruction Bringer commenced their final stages of assault on Earth by deploying the Deathbringer and his Mokian. Inside Mokian was a monopole, a theoretical object that had enough magnetic power to pull apart the Earth's crust and end civilization. It was revealed by the Deathbringer that the Radical Destruction Bringer considered humans as a threat to the entire universe and must be eradicated. XIG launched an all-out attack on Mokian but to no avail. When Commander Ishimuro was about to ram the now-evacuated Aerial Base into the monster, Gamu transformed into Gaia and tried to destroy it. Gaia inflicted moderate damage on Mokian, but was restrained and tortured by it. To destroy Mokian and save Gaia, the Commander rammed the Aerial Base as originally planned. The Commander was rescued by Gaia at the very last moment before the Aerial Base exploded along with Mokian.
The Deathbringer then wrecked havoc on the cities in the form of Zebubu. Agul arrived to fight him, but he ended up getting his leg pierced with Zebubu's spear. Gaia (after Gamu had revealed his identity to XIG) soon came in to heal Agul and let him retreat. After a brutal fight Zebubu was defeated.
The Radical Destruction Bringer sets into motion its ultimate plan, sending the Dobishi to Earth to blot out the Sun worldwide, leading the planet to a slow death while they cut off communications and destroyed GUARD's forces. The Earth started to weaken, and correspondingly, Gaia and Agul's light as well. Still, Gamu and Fujimiya transformed to fight off the Dobishis until they were overwhelmed. Suddenly, they were saved by Zog, a giant, white angel. An Angel Descends She kills the Kaiser Dobishis that the Ultramen are fighting, and replenishes Gaia and Agul's power, only to completely overpower the two and make their Life Gauges expire. The two Ultramen turn back into Gamu and Fujimiya, which is telecast by the two KCB cameramen, despite Reiko's protests to turn off the camera. The battle is broadcasted across the entire world. They survive, but can no longer transform into Gaia and Agul.
At this point, all of Earth's monsters start emerging again all around the world to protect Earth from the Dobishis and Kaiser Dobishis.
Everyone is brought back and united to participate together in the final battle against Zog. Gaia, Agul, XIG, the Earth monsters, the Alchemy Stars, the KCB TV crew, and even Gamu's parents show up to encourage him. Gamu hatches a final scheme, in which the Alchemy Stars network is used to assist the last of the XIG fighters, including a few planes modified by Alchemy Stars, to channel energy from the Earth monsters to give Gamu and Fujimiya the ability to transform back into Gaia and Agul.
Boosted with this huge supply of energy, Gaia and Agul wipe the Earth clean of the hordes of Dobishi. However, as Gaia finishes off the Dobishi, Zog reappears. She strikes down Gaia and Agul, but they fiercely counterattack. After being briefly staggered by the counterattack, Zog morphs from her angel form into a colossal demon-like monster.
Gaia and Agul then worked together and destroy Zog with their strongest attack, formed by combining their energy beams.
Having lost the ability to transform into Gaia and Agul after their battles against Zog, Gamu and Fujimiya returned to their normal lives. Shortly after, the underwater civilization sought for humanity's help. They restored Gaia's Light to Gamu, allowing him to become Gaia again to battle the remnants of the Radical Destruction Bringer, Gakuzom. He was joined by Fujimiya, who had also regained his powers from the same source. After the battle, Gamu and Fujimiya parted ways as they continued living their normal lives.
