Question: What disappeared in "Sonic Chronicles" after the defeat of the main antagonist of the series?

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Emilio Largo: Emilio Largo is a fictional character and the main antagonist from the 1961 James Bond novel "Thunderball".  He appears in the 1965 film adaptation, again as the main antagonist, with Italian actor Adolfo Celi filling the role.  Largo is also the main antagonist in the 1983 unofficial James Bond movie "Never Say Never Again", a remake of "Thunderball".  In "Never Say Never Again", the character's name, however, was changed to Maximillian Largo and he was portrayed by the Austrian actor Klaus Maria Brandauer.

The Ring (Chuck): The Ring is a major spy organization in the television series "Chuck".  The main antagonist of the second season (after being introduced in the first), Fulcrum, is revealed in the Season Two finale to be only one part of the Ring, which then serves as the main antagonist of Season Three.  The Ring's goals are not known, but it is clearly in conflict with the legitimate American intelligence community, and attempts to manipulate politics in several countries to accomplish its ends.

Hugh Keays-Byrne: Hugh Keays-Byrne (born 18 May 1947) is an English-Australian character actor.  He moved to Australia in 1973 and is well-known there as a television and film actor.  Outside Australia, he is best known for his role as "Toad" in the 1974 movie "Stone", the main antagonist "Toecutter" in the 1979 film "Mad Max", the main antagonist "Immortan Joe" in the 2015 film "", and "Grunchlk" in the science fiction television series "Farscape".

Thea Tolentino: Thea Louise Señerez Tolentino (born 13, August 1996 in Calamba, Laguna, Philippines), better known for her screen name.  Thea Tolentino, is a Filipina actress known for her role as Ashley Mercado Alcantara in the GMA Network television drama "The Half Sisters", Tolentino started her career as one of the winners of the of the reality show, "Protégé", a reality based "artista" search, created by GMA Network.  Since then, she became a contract artist of GMA and began appearing on their television dramas such as "Teen Gen", "Anna Karenina," and "", Previously years 2016, she joined the cast in "Hahamakin ang Lahat" played the role as Phoebe-Ke, the main antagonist of the cast, In 2017, she joined the cast as the main antagonist Trish to Sinag (Mendoza) and Benjie's mistress (Richards).  Began 2017, Tolentino joined the cast in "Haplos" as Lucille, the main antagonist of the series.  She will also star in an upcoming movie entitled "This Time I'll be Sweeter" as the main antagonist that headlines Ken Chan and Barbie Forteza, her co-star in the critically acclaimed series "The Half Sisters".

Sonic the Hedgehog: Sonic the Hedgehog (Japanese: ソニック・ザ・ヘッジホッグ , Hepburn: Sonikku za Hejjihoggu ) is a video game franchise created and produced by Sega.  The franchise centers on a series of speed-based platform games.  The protagonist of the series is an anthropomorphic blue hedgehog named Sonic, whose peaceful life is often interrupted by the series' main antagonist, Doctor Eggman.  Typically, Sonic—usually along with some of his friends, such as Tails, Amy, and Knuckles—must stop Eggman and foil any plans of world domination.  The first game in the series, released in 1991, was conceived by Sega's Sonic Team division after Sega requested a mascot character.  The title was a success, it spawned many sequels, and it transformed Sega into a leading video game company during the 16-bit era in the early to mid 1990s.

Doctor Eggman: Dr. Ivo "Eggman" Robotnik (ドクター・エッグマン , Dokutā Egguman , ロボトニック "Robotonikku") is a fictional character and the main antagonist of Sega's "Sonic the Hedgehog" series.  His original character designer was Naoto Ohshima, who created the character as part of many design choices for the company's new mascot.  After the creation of Sonic the Hedgehog, Ohshima chose to use his previous egg-shaped character to create the antagonist of the 1991 video game, "Sonic the Hedgehog", as well as making him become the archenemy of the series' titular main character.

Sonic Chronicles: The Dark Brotherhood: Sonic Chronicles: The Dark Brotherhood (Japanese: ソニッククロニクル 闇次元からの侵略者 , Hepburn: Sonikku Kuronikuru: Yami Jigen Kara no Shinryaku sha , lit.  "Sonic Chronicles: Invaders from the Dark Dimension") is a role-playing video game developed by BioWare and published by Sega for the Nintendo DS.  The game was BioWare's first handheld video game project, and is a part of the "Sonic the Hedgehog" series.  "Sonic Chronicles" initially focuses on the events surrounding the kidnapping of Knuckles and the disappearance of the Chaos Emeralds after the defeat of Doctor Eggman, before moving on to follow the cast of characters across two dimensions as they encounter a new ally, Shade the Echidna, and seek to stop the invasion of their world by Ix, the leader of Shade's tribe, the Nocturnus.

Slappy the Dummy: Slappy the Dummy is a fictional character and antagonist in the "Goosebumps" children's series by R. L. Stine.  He is one of the series' most popular villains and the main antagonist of the "Night of the Living Dummy" saga.  He is also the main antagonist of the Goosebumps movie.  He is a Ventriloquist's Doll that comes alive by these words, "Karru Marri Odonna Loma Malunu Karrano".

Sōsuke Aizen: Sōsuke Aizen (藍染 惣右介 , Aizen Sōsuke ) is a fictional character and the main antagonist for most of the first half of the manga series "Bleach" (and the most significant one for the entirety of the anime adaptation) created by Tite Kubo.  He is the captain of the Fifth Division when he is first introduced, but later betrays the Soul Society and becomes the series' main antagonist, before Ichigo Kurosaki and Kisuke Urahara defeat him.  His former lieutenant is Momo Hinamori.

Fawful: Fawful, known in Japan as Gerakobits (ゲラコビッツ , Gerakobittsu ) , is a fictional character appearing in the "Mario & Luigi" series of role-playing video games developed by AlphaDream.  The character is considered to be "insane," and often serves as either the main antagonist or the sidekick to the main antagonist in the games.

Supporting paragraphs: Sonic Chronicles: The Dark Brotherhood Doctor Eggman
Answer: the Chaos Emeralds