When Chaos Eligal appeared again, Musashi turned into Cosmos and tried to purify the monster with Luna Extract. On the ground, the father begins to remember his good days with his son and it makes the Chaos Header Iblis weaken and is finally destroyed by Naybuster Ray.

When the monster went berserk and destroyed the city, Musashi transformed into Cosmos, but the monster managed to paralyze Cosmos until he finally turned into Corona mode and managed to keep up. However, when his son communicates with him, Chaos Header evacuates his body but in light of his hatred, he turns into a Chaos Header Iblis. In his lab where the man communicates via computer and his son's long journey to find his father, there Musashi finds a father being possessed and unable to control his body. the last victim was a father, with child and wife at home, heartbroken by disappearing. However, the most terrifying thing was that Chaos Header knew that Cosmos was bonded with Musashi and still intended to infect monsters again.Д¬haos Header later became interested in human emotions since the tragedy of Akane and looked for many test subjects, returning them when finished. Lidorias destroyed Musashi's plane but Cosmos saved him and finally Musashi merged with Cosmos for the first time and stopped Lidorias by puriffied her, removing the Chaos Organism from Lidorias' body and freeing her.

While infecting Lidorias, she went on a rampage and destroyed the city, although Musashi's attempts to calm her down were initially successful, Lidorias' consciousness was taken over by Chaos Header and went on a rampage again when SHARK attempted to kill her. He appeared again and came to Kapuya Island to infected Lidorias. Suddenly, the light shot at the people and destroyed the city. When Chaos Header is on a rampage, Parastan, the unknown protector defeats Chaos Header and forces him to retreat.Д¬haos Header first appears as Chaos Organism over city. The next planet Chaos Header will dominate eventually became Juran. He changed the planet's ecosystem and made it arid. Before Cosmos came to earth, Chaos Header went on a rampage on an unknown planet that Cosmos was protecting. However, he believes that violence is only the right choice to gain peace and in the end he intends to corrupt all life in the universe to create a new order under him. Chaos Header is an artificial being created to bring peace to the galaxy.

Ultraman cosmos team eyes