The Onion Knight(たまねぎ剣士,Tamanegi Kenshi?, lit. "Onion Swordsman") is a job class in Final Fantasy III. In the original Famicom Version of the game, it is the default job class, while in the Remake Version, it is a secret job class. It has very low statistics until around level 90.
The four Onion Knights of the Famicom Version are not named in-game. The official manga serialization of the game, Leged of the Eternal Wind: Final Fantasy III, names them Muuchi (ムウチ), Doug (ダグ), J. Bowie (J・ボウイ), and Melfi (メルフィ, the only female in the group). In the Dissidia Ultimania guide and on the series's 25th Anniversary website, they are given the same names as the protagonists in the Remake Version of Final Fantasy III - Luneth, Arc, Refia and Ingus.
In the DS remake, the player must send a Mognet letter to each character in the game, as well as seven to another person playing Final Fantasy III. Afterwards, the player must send three more letters to Topapa, and after receiving the fourth, the player will be told that some children are in danger. The player must head to Altar Cave and rescue the children from the Bombs. Afterwards, they will be given the Onion Knight job.
In the iOS/Android/PSP remake, as the game lacks Game Center or Open Feint support, and thus there is no way to communicate with other players, and the quest is opened up after defeating Gutsco in the Molten Cave and reading all of the letters Topapa sends up until that point. It's also possible to receive the letter warning that the children are in danger by visiting the Mog net in Gysahl Village before defeating Gutsco.
In iOS, Android and PSP remakes, a message from Topapa (from Mognet) that says the children were missing and they are not able to find them. After talking to Topapa directly, he will tell that the children could be at Altar Cave. After saving the children from Altar Cave, one of them will give something to Arc, unlocking the Onion Knight job.
The Onion Knight has no special command in this version, since it is the default job class and the weakest during the beginning of the game. However, once the character reaches level 90, their stats expand rapidly, reaching 99 in every stat, making it the most powerful class in the game. It's also the only class that can use the Onion equipment, which is the strongest equipment in the game.
In the original Famicom release, the Onion Knight can only equip three sets of equipment; the most basic equipment, some late-game equipment, and the ultimate Onion equipment. In the Remake Version, the Onion Knight can equip anything, except for the job corresponding ultimate weapons. It is once again the only job able to equip the Onion Equipment.
Chaos has summoned a combined force of Final Fantasy's ultimate masters of evil. Cosmos, in an attempt to protect the Crystals, has summoned warriors to thwart their plans. Onion Knight is one of these warriors and stands as the hero representing Final Fantasy III, opposing Cloud of Darkness.
Forming a duo with Terra Branford of Final Fantasy VI, and later a trio with Cloud Strife of Final Fantasy VII, the Onion Knight tries to offer the meek heroine his support through bravado and continual assurance of their victory. However, in truth he is easily frightened of powerful enemies and uses his head to escape from conflicts. The Onion Knight's encounters with the various villains during the game serve to test his courage and strength in the face of danger.
Onion Knight reappears as a Warrior of Cosmos in the prequel to Dissidia Final Fantasy alongside all the other characters from the original. He plays a much smaller role in the 12th cycle, only appearing in the Reports and as an Assist in a Gateway in Vaan's storyline. Vaan appoints himself the Onion Knight's "big brother", believing that as the youngest Warrior of Cosmos he needs someone to look out for him. Though he is annoyed with Vaan treating him as a child while the others see him as an equal, the Onion Knight comes to think that having Vaan as a friend isn't so bad.
His third outfit removes his helmet, recolors his hair white and gives him black armor with red and gold details, based on Yoshitaka Amano's artwork of an Unnamed Warrior present in much of Final Fantasy III's art. As a bonus fourth downloadable outfit, the Onion Knight wears the vestments of Ingus while he is an Onion Knight.
Cloud: I couldn't finish 'em. Looks like this's gonna get complicated.
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"This young knight's diminutive body holds a great deal of wisdom and bravery, achieving the title of Onion Knight despite his tender age. Though he holds the inexperience of youth, he holds tremendous potential yet..."
In the Remake Version of Final Fantasy III, the four protagonists have their own color that shows up in many of their Job outfits, each matching those of the four Onion Knights' field sprites from the Famicom Version. However, in the default party order for the Remake Version's characters, the colors are reversed from that of the Famicom Version; Luneth wears purple, Arc wears green etc. In other words, when playing the Famicom Version, one would have to name the four characters Ingus, Refia, Arc and Luneth in that order to match them up to the correct colors.
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Added by Miphares
The Swordshower Legend card.
The Onion Knight using Swordshower.
Concept artwork for the original Onion Knight.
Overworld sprite from the NES release.
The green Onion Knight from the NES release.
The blue Onion Knight from the NES release.
Artwork of Luneth as an Onion Knight.
Artwork of Arc as an Onion Knight.
Artwork of Refia as an Onion Knight.
Artwork of Ingus as an Onion Knight.
In-game render of the Onion Knight in Dissidia Final Fantasy.
Render of the Onion Knight in Ingus's Onion Knight attire in Dissidia 012 Final Fantasy.
CG render of the Onion Knight in Dissidia Final Fantasy.
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Onion Knight in Kingdom Hearts Mobile, based on the Dissidia character.
Trading card with Onion Knight's Theatrhythm Final Fantasy character model.
Trading card depicting Onion Knight in Dissidia.
Trading card.
Trading card.
the Onion Knight in the 25th Anniversary Poster of Final Fantasy.
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