Editing Symbols in the Kingdom Hearts series

{{cleanup|KH3 gummi stickers give official names to many of these; add or identify room transitions for KH3; Add a section and image(s) for Xion's mask/mirrored crown symbol}}

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The Heartless symbol is used, as its name suggests, to represent the [[Heartless]], specifically Emblem Heartless. The standard Heartless emblem is displayed on every single Emblem Heartless, as well as [[Ansem, Seeker of Darkness]]'s chest and certain weapons related to Heartless, such as the [[Akashic Record]] and [[Precious Mushroom]]. In the [[End of the World]], the doorway leading to the Final Rest area is shaped like the Heartless emblem. The Heartless emblem without the barbed "X" is commonly associated with Riku. When using [[Dark Mode]], Riku wears the symbol on his chest, and the aforementioned lack of a thorny cross symbolizes the fact he hasn't completely lost his heart to the darkness.<ref>'''''[[Kingdom Hearts Ultimania]]''''', '''Tetsuya Nomura:''' "... and how the Heartless emblem on [Riku's] chest is missing the thorny cross because Riku's heart has not yet completely fallen to darkness." [https://www.khinsider.com/news/A-Look-Back-KINGDOM-HEARTS-Ultimania-Gallery-Comments-Part-1-15519 Translation via goldpanner].</ref> In ''[[Kingdom Hearts III]]'', the Station of Awakening for the facsimile of [[Olympus]] in [[The Final World]] bears the same symbol around the circumference of its design, as it is where Sora finds Riku's heart and rescues it from the [[Lich]].  Riku's [[Alba & Ater]] game piece features this symbol on the top as well. It is also the [[Keychain]] token of his main Keyblade, [[Way to the Dawn]]. In its appearances in ''[[Kingdom Hearts 3D: Dream Drop Distance]]'' and onwards, the token's design integrates elements of the recurring heart symbol, curling the tips of the Heartless emblem's red outline inward at the top. The Keychain token of the [[χ-blade]] is a black and red heart resembling the Heartless emblem, but with two [[Kingdom Key]]s crossed over it in place of the normal red design. In the [[World of Chaos]] fight, the arena is shaped like a blue Heartless insignia.

The Heartless emblem is comprised of a heart with a ''fleur-de-lis'' at its base. It is typically black with a red outline and barbed "X" crossing through the heart in the symbol, which symbolizes the fact that Heartless act without emotions, hence their name. A common variation of the Heartless emblem is a completely black silhouette, lacking the cross over the heart. A third variation is simply a heart featuring the color scheme of the standard Heartless symbol, a black body and red outline, but also lacks the cross.

===Bug Blox===

Similar markings appear on other Heartless associated with data, namely [[Flappy Bug]]s and the [[Darkubes]].

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The Nobody emblem resembles an upside-down Heartless emblem in shape, but with several circular notches taken out of its edges. The symbol's base is shaped like an upside-down heart, while its top is a thin, spiked cross. Spikes and sharp edges often evoke the Nobody emblem without the full symbol being displayed. The symbol is usually depicted as white or silver, like most Nobodies. Though it was stated in the ''[[Kingdom Hearts Birth by Sleep Ultimania]]'' that [[Xemnas]] created the Nobody emblem based on [[Terra]]'s fragmented memories, thus its resemblance to [[Symbols in the Kingdom Hearts series#Eraqus|Terra's Mark]]<ref name="Terra">[[Kingdom Hearts Ultimania|'''''Kingdom Hearts Birth by Sleep'' Ultimania''']], '''Interviewer:''' "Where did the Organization's coat and mark come from?" / '''Tetsuya Nomura:''' "One year after ''Birth by Sleep'', Xehanort, as well as five other apprentices toss aside their hearts. Then the Nobody Xemnas was born, and the Organization which he creates take a lot of things from his memories, as a human. But as Xemnas had two people who he was, Terra and Master Xehanort, he takes from both of their memories. [...] The Nobody mark used by the Organization is a similar shape to the mark Terra used." [https://www.khinsider.com/news/BBS-Ultimania-20-Mysteries-Solved-2546 Translation via Lissar].</ref>, the symbol can be seen incorporated in Xehanort's armor in ''[[Kingdom Hearts Dark Road]]'', decades before the birth of Xemnas.

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The [[Dream Eater]] emblems appear on almost every Dream Eater.<!--Pets do not have it.-->

The Dream Eater symbols are designed in the form of hearts with certain aspects that display whether they are Spirit or Nightmare. The Spirit variant is most of the time a faded pale peach fading to a deep hot pink with a dark purple border, the tail at the bottom of the heart-shaped is bowl-shaped. Its wings are shaped more like swirls as it is given a simplistic innocent look, compared to the Nightmare version. The Nightmare variant is always colored a deep navy fading into a bright neon purple with a thick white border, the tail at the bottom of the heart-shaped symbol is cone-shaped. Its wings are shaped like bat wings with small spikes in the center and growing larger near the sides. They bear a very vague resemblance to the Heartless symbol, specifically the Nightmare version.

Due to his nature within [[Sora]]'s dreams as a Dream Eater, Riku has a black-colored version of the Spirit emblem on the back of his vest during most of ''Kingdom Hearts 3D: Dream Drop Distance''.

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This symbol resembles the Heartless and Nobody symbols in shape; it is a heart with a sharp cross at its base. The symbol is very angular and squared, and the points of its cross are much more compact and close together than those of the Nobody symbol. The symbol appears in several different colors, such as gold and silver.

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Crowns are another heavily featured symbol of the series and are part of the ''Kingdom Hearts'' logo along with the curled heart symbol. Sora notably wears a silver crown necklace in most of his forms and can, in fact, wear a [[crown]] in ''[[Kingdom Hearts II Final Mix]]''. [[Puzzle]] pieces, [[Crown Sticker]]s and [[Mission Crowns]] are represented by golden crowns. Limit Form and, in Halloween Town, [[Final Form]], is represented by crowns. The tops of the cards used in [[Castle Oblivion]] are shaped like the standard crown, and are featured on the front of some cards. The [[Crown-G]], the Keychain token of the [[Oblivion]], accessories such as the [[Draw Ring]], the [[Save the King]] shield, and the [[Ultima Weapon]] all incorporate crowns into their designs. Both the [[Royal Radiance]] and the [[Unbound]] have a gold crown with a gold circle on each of its points as the tokens of their Keychains. Every one of Sora's Dive to the Heart Stations feature crowns. A large, glowing crown appears underneath Sora when he unlocks a World [[Gate]]. Sora's [[Alba & Ater]] game piece features a crown on the top.

The most widely used crown symbol in the series is a flat, three-pronged crown that appears in a wide variety of colors, most commonly gold and silver. The shape of the crowns prongs creates a negative space silhouette of the Kingdom Key's teeth. Strategy guides for the series occasionally use a yellow symbol that could be a crown viewed from above. This symbol is a ring with spikes along its outer edge and an "X" in its center, and is used to represent characters and enemies that cannot be classified as Heartless, Nobodies, Unversed or Dream Eaters.

Every world has a [[Keyhole]] that leads to its heart and can be locked by the Keyblade. Locking all of the Keyholes is Sora's primary objective in the original ''[[Kingdom Hearts (game)|Kingdom Hearts]]''. In ''[[Kingdom Hearts II]]'', Sora seeks out and unlocks [[Gate]]s, which are represented by large, glowing keyholes. The complete χ-blade is capable of summoning countless keyhole-shaped gates to anywhere in the realms. When the incomplete χ-blade is destroyed, it releases beams of energy which radiate keyhole-shaped symbols.

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An artifact called the [[Star Shard]] allowed for transportation from one World to another, albeit randomly. Several accessories and Keyblades incorporate stars into their designs, such as the [[Star Seeker]]. [[Paopu fruit]] are star-shaped fruit which supposedly create bonds between friends that can span many different Worlds. [[Wayfinder]]s, lucky charms modeled after paopu fruit, have a similar reputation. In ''[[Kingdom Hearts Chain of Memories]]'', as part of [[Marluxia]]'s plot to brainwash Sora, [[Naminé]] changes the appearance of [[Kairi]]'s Wayfinder to that of a simple star charm. The Wayfinders made by Aqua in ''[[Kingdom Hearts Birth by Sleep]]'' manifest these bonds of friendship physically, in the form of the [[Dimension Link]] system. Paopu fruit and Wayfinders are featured in the designs of several important Keyblades, including the Ultima Weapon and [[Oathkeeper]]. A star is the Keychain token of the [[Wishing Star]]. [[Yen Sid]]'s powerful sorcerer's hat is adorned with several stars and moons. In [[The Final World]], those who linger there are represented by floating points of light arranged to form the shape of a star. Kairi's [[Alba & Ater]] game piece features a star on the top.

The silhouette of Mickey Mouse's head is frequently used to represent not only Mickey himself, but Disney as a whole. [[Disney Town]] and [[Disney Castle]] feature the symbol heavily, and three of the many craters in the [[Keyblade Graveyard]] form the silhouette as well. The symbol is also incorporated into the [[Trinity Limit]] circle, [[Gimmick Card]]s, and certain weapons such as the [[Dream Sword]]. It serves as the Keychain token for the Kingdom Key, [[Kingdom Key D]], [[Victory Line]], [[Braveheart]], and the [[Star Cluster]] Keyblades. King Mickey uses the symbol to seal all of his official letters.<!--Goofy: Gawrsh, that's the king's seal!--> In the Sleeping Worlds, [[La Cite Des Cloches]], [[The Grid]] and [[Prankster's Paradise]] are arranged to make up a Hidden Mickey. In ''Kingdom Hearts III'', the Station of Awakening for the facsimile of the [[Kingdom of Corona]] in The Final World bears the silhouette around the circumference of its design, as it is where Sora finds Mickey's heart and rescues it from the Lich. Mickey's [[Alba & Ater]] game piece features a Mickey head on the top.

In ''Kingdom Hearts III'', the symbol appears across nearly all worlds in the form of [[Lucky Emblem]]s. While some are true Hidden Mickeys formed by items lining up properly into shape, others are simply the image of the symbol stamped onto the surroundings.

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The {{nihongo|'''Gazing Eye'''|見つめる目|Mitsumeru Me}} is a blue eye with a {{w|cymophane|cat's eye}} iris which belongs to the [[Master of Masters]]. He placed it within the [[No Name]] Keyblade, then asked [[Luxu]] to pass it down from apprentice to apprentice, eventually reaching [[Xehanort]] in order to have it observe its surroundings throughout the eons and pass those back to the Master in his own era. Aside from the No Name, the Gazing Eye is also visible in its alternate form as [[Young Xehanort's Keyblade]], as well as his Clock, while the symbol appears on the Keyblades or Keychain tokens of his other apprentices, the [[Foreteller]]s, as well as those of [[Xehanort]]: Vanitas's [[Void Gear]], Terra's [[Chaos Ripper]] and [[Darkgnaw]], Riku's [[Soul Eater]] and [[Way to the Dawn]], Riku and Sora's [[End of Pain]], and [[Ansem, Seeker of Darkness]]'s dual Soul Eater polearm. A red variation of the Gazing Eye is also present in the Fake Attack Card picture, dropped by {{ns|Game|Zexion}}.

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[[File:Master Xehanort's Spell Circle KHIII.png|x128px|Spell circle used by Master Xehanort and the Replica Xehanorts from ''Kingdom Hearts III'']]

[[File:Double Form Spell Circle KHIII.png|x128px|Spell circle used by Sora during the Double Form finisher ''Kingdom Hearts III'']]