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** Cadance mind-delving into the memories of the Imperial Spike leads to a revisitation of scenes lifted from "[[Recap/MyLittlePonyFriendshipIsMagicS6E5GauntletOfFire Gauntlet Of Fire]]", until they take a dark turn thanks to the ForWantOfANail of the Imperial Timeline.
to:
** Cadance mind-delving into the memories of the Imperial Spike leads to a revisitation of scenes lifted from "[[Recap/MyLittlePonyFriendshipIsMagicS6E5GauntletOfFire Gauntlet Of Fire]]", until they take a dark turn thanks to the ForWantOfANail of the [[BadFuture Imperial Timeline.Timeline]].
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Changed line(s) 77 (click to see context) from:
** While the Tirek referred to by Sypkoran, himself a much-much-older version of G1 Spike, is the one from G1, Scorpan is identified as his brother, similar to G4.
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** While the Tirek referred to by Sypkoran, Spykoran, himself a much-much-older version of G1 Spike, is the one from G1, Scorpan is identified as his brother, similar to G4.
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Changed line(s) 24 (click to see context) from:
** A starting clue that elements from the 2017 movie will factor into ''Spectrum'' can be found in Chapter Six ("Understanding Dawns"), when Cadance dream-walks into Blueblood's dreams and finds him sharing a romantic fantasy with Captain Celaeno. Blueblood mentions hooking up with her during a visit to [[WretchedHive Klugetown]].
to:
** A starting clue that elements from the 2017 movie will factor into ''Spectrum'' can be found in Chapter Six Five ("Understanding Dawns"), when Cadance dream-walks into Blueblood's dreams and finds him sharing a romantic fantasy with Captain Celaeno. Blueblood mentions hooking up with her during a visit to [[WretchedHive Klugetown]].
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*** It starts out innocuously enough when Chapter Nine ("The Heart Goes Last") has the Imperial Redheart give Icewind an abbreviated account of the Solar Empire's history, mentioning the Storm King as an enemy.
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*** It starts out innocuously enough when Chapter Nine Eight ("The Heart Goes Last") has the Imperial Redheart give Icewind an abbreviated account of the Solar Empire's history, mentioning the Storm King as an enemy.
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* Chapter Five - "The Hour Is Darkest Before"
** As the PHL rank-and-file are hypothesising at the campfire about what evil force may have corrupted Queen Celestia, Johnny C brings up the names of two villains from G1, Somnambula The Witch and Arabus The Cloud Demon.
* Chapter Six - "Understanding Dawns"
** As the PHL rank-and-file are hypothesising at the campfire about what evil force may have corrupted Queen Celestia, Johnny C brings up the names of two villains from G1, Somnambula The Witch and Arabus The Cloud Demon.
* Chapter Six - "Understanding Dawns"
to:
* Chapter Five - "The Hour Is Darkest Before"
** As the PHL rank-and-file are hypothesising at the campfire about what evil force may have corrupted Queen Celestia, Johnny C brings up the names of two villains from G1, Somnambula The Witch and Arabus The Cloud Demon.
* Chapter Six- "Understanding Dawns"
** As the PHL rank-and-file are hypothesising at the campfire about what evil force may have corrupted Queen Celestia, Johnny C brings up the names of two villains from G1, Somnambula The Witch and Arabus The Cloud Demon.
* Chapter Six
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* Chapter Seven - "The Trinity Harmonious"
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* Chapter Seven Six - "The Trinity Harmonious"
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* Chapter Eight - "An Opening"
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* Chapter Eight Seven - "An Opening""Unto The Breach"
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* Chapter Nine - "The Heart Goes Last"
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* Chapter Nine Eight - "The Heart Goes Last"
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* Chapter Nine - "In Darkest Hour"
** As the PHL rank-and-file are hypothesising at the campfire about what evil force may have corrupted Queen Celestia, Johnny C brings up the names of two villains from G1, Somnambula The Witch and Arabus The Cloud Demon.
** As the PHL rank-and-file are hypothesising at the campfire about what evil force may have corrupted Queen Celestia, Johnny C brings up the names of two villains from G1, Somnambula The Witch and Arabus The Cloud Demon.
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Changed line(s) 36,37 (click to see context) from:
** In that same chapter, Galatea explains to Celestia and Luna that she met Scorpan three times, and in his possession was the Staff of Sacanas. This is taken from ''The Art of My Little Pony: The Movie'', according to which [[WhatCouldHaveBeen one of the original plans]] for the Movie was that Scorpan indeed used to be the owner of the Staff.
** On another note, Galatea is introduced as one of the workers on the renovations to cover the Canterlot Palace's throne room in crystal and to add a second throne for Luna on the dais, thus bringing the room closer to its appearance as of the Movie.
** On another note, Galatea is introduced as one of the workers on the renovations to cover the Canterlot Palace's throne room in crystal and to add a second throne for Luna on the dais, thus bringing the room closer to its appearance as of the Movie.
to:
** In that same chapter, Galatea Galena explains to Celestia and Luna that she met Scorpan three times, and in his possession was the Staff of Sacanas. This is taken from ''The Art of My Little Pony: The Movie'', according to which [[WhatCouldHaveBeen one of the original plans]] for the Movie was that Scorpan indeed used to be the owner of the Staff.
** On another note,Galatea Galena is introduced as one of the workers on the renovations to cover the Canterlot Palace's throne room in crystal and to add a second throne for Luna on the dais, thus bringing the room closer to its appearance as of the Movie.
** On another note,
Changed line(s) 64 (click to see context) from:
** Galatea informs Alex that he carries on him an object of great power that could turn the war's tide; the [[WesternAnimation/MyLittlePonyTVSpecials Rainbow of Light]]. As it turns out, he's lost it in the Everfree Forest.
to:
** Galatea Galena informs Alex that he carries on him an object of great power that could turn the war's tide; the [[WesternAnimation/MyLittlePonyTVSpecials Rainbow of Light]]. As it turns out, he's lost it in the Everfree Forest.
Changed line(s) 73 (click to see context) from:
** Celestia takes Luna and Galatea to see the [[WesternAnimation/MyLittlePonyEquestriaGirls Crystal Mirror]] stored in Canterlot Palace. While discussing the Mirror's history, there is some debate between the sisters as to which version of the story of how Starswirl banished the Sirens is true; [[ComicBook/MyLittlePonyFiendshipIsMagic him going at it alone in a musical contest]], or [[Recap/MyLittlePonyLegendsOfMagic with the aid of the Pillars of Equestria]].
to:
** Celestia takes Luna and Galatea Galena to see the [[WesternAnimation/MyLittlePonyEquestriaGirls Crystal Mirror]] stored in Canterlot Palace. While discussing the Mirror's history, there is some debate between the sisters as to which version of the story of how Starswirl banished the Sirens is true; [[ComicBook/MyLittlePonyFiendshipIsMagic him going at it alone in a musical contest]], or [[Recap/MyLittlePonyLegendsOfMagic with the aid of the Pillars of Equestria]].
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Changed line(s) 19 (click to see context) from:
* ''Literature/TheDaringDoCollection''
to:
* ''Literature/TheDaringDoCollection''''Literature/TheDaringDoAdventureCollection''
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** Daring Do's induction into a Magic Council at the end of ''The Daring Do Collection'' is mentioned in a private meeting between Prince Abraxas and Spell Nexus during Chapter Thirteen ("Concordia Maxima").
to:
** Daring Do's induction into a Magic Council at the end of ''The Daring Do Adventure Collection'' is mentioned in a private meeting between Prince Abraxas and Spell Nexus during Chapter Thirteen ("Concordia Maxima").
Changed line(s) 39 (click to see context) from:
** Princess Luna's dreamwalk that concludes Chapter Twenty-Two ('Unveiled')[[note]]Which is also a "binge-watch" of the ''Friendship is Magic'' series and events from the "canon" timeline[[/note]] is another instance of ''Spectrum'' showing its hand in making changes from the official canon in order to serve its narrative; here, Radiant Hope is explained to be [[RelatedInTheAdaptation the daughter]] of Princess Amore.
to:
** Princess Luna's dreamwalk that concludes Chapter Twenty-Two ('Unveiled')[[note]]Which Twenty-Four ("Unveiled")[[note]]Which is also a "binge-watch" of the ''Friendship is Magic'' series and events from the "canon" timeline[[/note]] is another instance of ''Spectrum'' showing its hand in making changes from the official canon in order to serve its narrative; here, Radiant Hope is explained to be [[RelatedInTheAdaptation the daughter]] of Princess Amore.
Changed line(s) 108 (click to see context) from:
** Amongst Lyra's science team on the Expedition are [[Literature/TheDaringDoAdventureCollection A.B. Ravenhoof]], [[Literature/TheDaringDoAdventureCollection Brumby Cloverpatch]][[note]]Who also appeared in the chapter-book ''Beyond Equestria: Rainbow Dash Rights The Ship''[[/note]] and [[Recap/MyLittlePonyFriendshipIsMagicIDWIssue58 Miss Vine]], here given the name "Emerald Vine".[[note]]And according to [=VoxAdam=], Miss Vine also happens to be the niece of [[Literature/TheDaringDoAdventureCollection Thaddeus Vine]][[/note]]
to:
** Amongst Lyra's science team on the Expedition are [[Literature/TheDaringDoAdventureCollection A.B. Ravenhoof]], [[Literature/TheDaringDoAdventureCollection Brumby Cloverpatch]][[note]]Who also appeared in the chapter-book ''Beyond Equestria: Rainbow Dash Rights The Ship''[[/note]] and [[Recap/MyLittlePonyFriendshipIsMagicIDWIssue58 Miss Vine]], here given the name "Emerald Vine".[[note]]And according to [=VoxAdam=], Brumby, Miss Vine also happens to be the niece of [[Literature/TheDaringDoAdventureCollection Thaddeus Vine]][[/note]]
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Capitalization was fixed from Continuity Nod.SPECTRUM to Continuity Nod.Spectrum. Null edit to update page.
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Ghost wick was fixed on Continuity Nod.Spectrum.
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Changed line(s) 16 (click to see context) from:
** The book which Rainbow Dash is waiting for to arrive in the mail is ''Daring Do & The Volcano of Destiny'', thus situating the events of this book as around Season 3 and close to the "present-day" chronology of ''Spectrum''.
to:
** The book which Rainbow Dash is waiting for to arrive in the mail during Chapter One ("The Human") is ''Daring Do & The Volcano of Destiny'', thus situating the events of this book as around Season 3 and close to the "present-day" chronology of ''Spectrum''.
Changed line(s) 21 (click to see context) from:
** Daring Do's induction into a Magic Council at the end of ''The Daring Do Collection'' is mentioned in a private meeting between Prince Abraxas and Spell Nexus during 'Concordia Maxima'.
to:
** Daring Do's induction into a Magic Council at the end of ''The Daring Do Collection'' is mentioned in a private meeting between Prince Abraxas and Spell Nexus during 'Concordia Maxima'.Chapter Thirteen ("Concordia Maxima").
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* ''Literature/RainbowDashAndTheDaringDoDoubleDare''
** The book which Rainbow Dash is waiting for to arrive in the mail is ''Daring Do & The Volcano of Destiny'', thus situating the events of this book as around Season 3 and close to the "present-day" chronology of ''Spectrum''.
** The rogue zebra Braze is described as a Prince of Farasi and the younger brother of [[Recap/MyLittlePonyFriendshipIsMagicIDWIssue89To92 Prince Abraxas]].
** Similarly, the Spirit Circle is stated to be one and the same with [[Recap/MyLittlePonyFriendshipIsMagicS7E25ShadowPlayPart1 Ponehenge]].
* ''Literature/TheDaringDoCollection''
** The Prologue introduces the Half-Gilded Horseshoe, which also showed up in ''Literature/RainbowDashAndTheDaringDoDoubleDare''. Here, the Horseshoe is the last heirloom of Tau Sunflare.
** Daring Do's induction into a Magic Council at the end of ''The Daring Do Collection'' is mentioned in a private meeting between Prince Abraxas and Spell Nexus during 'Concordia Maxima'.
*** The nicknames of "Candid" and "Cunning" for Abraxas and Nexus, respectively, are also lifted from the titles of the six-member Council.
** The book which Rainbow Dash is waiting for to arrive in the mail is ''Daring Do & The Volcano of Destiny'', thus situating the events of this book as around Season 3 and close to the "present-day" chronology of ''Spectrum''.
** The rogue zebra Braze is described as a Prince of Farasi and the younger brother of [[Recap/MyLittlePonyFriendshipIsMagicIDWIssue89To92 Prince Abraxas]].
** Similarly, the Spirit Circle is stated to be one and the same with [[Recap/MyLittlePonyFriendshipIsMagicS7E25ShadowPlayPart1 Ponehenge]].
* ''Literature/TheDaringDoCollection''
** The Prologue introduces the Half-Gilded Horseshoe, which also showed up in ''Literature/RainbowDashAndTheDaringDoDoubleDare''. Here, the Horseshoe is the last heirloom of Tau Sunflare.
** Daring Do's induction into a Magic Council at the end of ''The Daring Do Collection'' is mentioned in a private meeting between Prince Abraxas and Spell Nexus during 'Concordia Maxima'.
*** The nicknames of "Candid" and "Cunning" for Abraxas and Nexus, respectively, are also lifted from the titles of the six-member Council.
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*** Following another few mentions, the Storm King finally appears in the flesh as Chapter Twenty-Three ("Here's To You") draws to a close, entering the story as an ArcVillain.
** When Tempest Shadow is introduced in Chapter Twenty-Three ("Here's To You")[[note]]Narratively referred to as the "Commander"[[/note]], her inner thoughts betray a note of regret about Rambler, the travelling pony whose caravan she joined during her wanderings, which is consistent with her backstory in both the comic-book ''ComicBook/MyLittlePonyTheMoviePrequel'' and the chapter-book ''Literature/TheStormyRoadToCanterlot''.
** When Tempest Shadow is introduced in Chapter Twenty-Three ("Here's To You")[[note]]Narratively referred to as the "Commander"[[/note]], her inner thoughts betray a note of regret about Rambler, the travelling pony whose caravan she joined during her wanderings, which is consistent with her backstory in both the comic-book ''ComicBook/MyLittlePonyTheMoviePrequel'' and the chapter-book ''Literature/TheStormyRoadToCanterlot''.
to:
*** Following another few mentions, the Storm King finally appears in the flesh as Chapter Twenty-Three Twenty-Six ("Here's To You") draws to a close, entering the story as an ArcVillain.
** When Tempest Shadow is introduced in ChapterTwenty-Three Twenty-Six ("Here's To You")[[note]]Narratively referred to as the "Commander"[[/note]], her inner thoughts betray a note of regret about Rambler, the travelling pony whose caravan she joined during her wanderings, which is consistent with her backstory in both the comic-book ''ComicBook/MyLittlePonyTheMoviePrequel'' and the chapter-book ''Literature/TheStormyRoadToCanterlot''.
** When Tempest Shadow is introduced in Chapter
** On another note, Galatea is introduced as one of the workers on the renovations to cover the Canterlot Palace's throne room in crystal and to add a second throne for Luna on the dais, thus bringing the room closer to its appearance as of the Movie.
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** Sint Erklass and Elsa Erklass, OC Reindeer, mention checking in on the [[WesternAnimation/MyLittlePonyBestGiftEver Gift Givers of The Grove]] before heading to Equestria.
to:
** Sint Erklass and Elsa Ilsa Erklass, OC Reindeer, mention checking in on the [[WesternAnimation/MyLittlePonyBestGiftEver Gift Givers of The Grove]] before heading to Equestria.Equestria.
** The zebra rule to receive the Call is [[Recap/MyLittlePonyFriendshipIsMagicIDWIssue89To92 Prince Abraxas]], introduced battling the Grootslang. In the same segment, Zecora's old friend Marini also makes a cameo.
** The zebra rule to receive the Call is [[Recap/MyLittlePonyFriendshipIsMagicIDWIssue89To92 Prince Abraxas]], introduced battling the Grootslang. In the same segment, Zecora's old friend Marini also makes a cameo.
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* Chapter Twenty-Two - "Unveiled"
to:
* Chapter Twenty-Two Twenty-Three - "Unveiled""Castles In The Air"
* Chapter Twenty-Four - "Unveiled"
Changed line(s) 85,86 (click to see context) from:
* Chapter Twenty-Three - "Here's To You"[[note]]Identified in the authors' notes as the ContinuityCavalcade chapter by [=VoxAdam=][[/note]]
** A recurring motif throughout the chapter is the presence of two children's books, ''Under The Sparkling Sea'' and ''The Dragons On Dazzle Island'', the titles of real-life ''Friendship is Magic'' picture-books by Mary Jane Begin, notable for their hand-painted, water-colour artwork. In ''Spectrum'', the books' equivalents turn out to have been written and illustrated by Princess Celestia herself, working under the pen name of Sunny Skies.
** A recurring motif throughout the chapter is the presence of two children's books, ''Under The Sparkling Sea'' and ''The Dragons On Dazzle Island'', the titles of real-life ''Friendship is Magic'' picture-books by Mary Jane Begin, notable for their hand-painted, water-colour artwork. In ''Spectrum'', the books' equivalents turn out to have been written and illustrated by Princess Celestia herself, working under the pen name of Sunny Skies.
to:
* Chapter Twenty-Three Twenty-Five - "Here's To You"[[note]]Identified in the authors' notes as the ContinuityCavalcade chapter by [=VoxAdam=][[/note]]
"Family"
** A recurring motif throughoutthe this chapter and the next is the presence of two children's books, ''Under The Sparkling Sea'' and ''The Dragons On Dazzle Island'', the titles of real-life ''Friendship is Magic'' picture-books by Mary Jane Begin, notable for their hand-painted, water-colour artwork. In ''Spectrum'', the books' equivalents turn out to have been written and illustrated by Princess Celestia herself, working under the pen name of Sunny Skies.
** A recurring motif throughout
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* Chapter Twenty-Six - "Here's To You"[[note]]Identified in the authors' notes as the ContinuityCavalcade chapter by [=VoxAdam=][[/note]]
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*** Coming to get Fluttershy, Applejack commiserates with her over losing a loved one yet holding onto the hope they may return someday, referencing her Great-Uncle Chili Pepper. This is a humorous allusion to the [[FanonDiscontinuity much-reviled]] "[[Recap/MyLittlePonyFriendshipIsMagicIDWIssue25To26 The Good, The Bad And The Ponies]]" arc of the comics, where finding Chili Pepper was the catalyst until [[WhatHappenedToTheMouse he got forgotten halfway through]] by the narrative.
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Changed line(s) 22 (click to see context) from:
*** Both Chapter Fifteen ("Two Faces") and Chapter Twenty ("Accept The Dawn" contain instances of a hippogriff character speaking of the good the Solar Empire has done to keep the Storm King at bay.
to:
*** Both Chapter Fifteen ("Two Faces") and Chapter Twenty ("Accept The Dawn" Dawn") contain instances of a hippogriff character speaking of the good the Solar Empire has done to keep the Storm King at bay.
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Added DiffLines:
** In that same chapter, Galatea explains to Celestia and Luna that she met Scorpan three times, and in his possession was the Staff of Sacanas. This is taken from ''The Art of My Little Pony: The Movie'', according to which [[WhatCouldHaveBeen one of the original plans]] for the Movie was that Scorpan indeed used to be the owner of the Staff.
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Changed line(s) 43 (click to see context) from:
** While discussing the myth of humans and ancient legends in general, Applejack and Rarity bring up the legends of [[Recap/MyLittlePonyFriendshipIsMagicS7E16CampfireTales Rockhoof and Mistmane]].[[note]]This chapter was written and published in October 2017, shortly after the episode had aired, but before the finale of Season 7, which turned the Pillars of Equestria into recurring characters on the show[[/note]]
to:
** While discussing the myth of humans and ancient legends in general, Applejack and Rarity bring up the legends of [[Recap/MyLittlePonyFriendshipIsMagicS7E16CampfireTales Rockhoof and Mistmane]].[[note]]This chapter was written and published in October 2017, shortly after the episode had aired, but before the finale of Season 7, which turned the Pillars of Equestria into recurring characters on the show[[/note]]show.[[/note]]
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Changed line(s) 13 (click to see context) from:
** Prismia is mentioned several times during the Battle of Boston; first, in Chapter Sixteen ("An Angel's Wings") when Cadance gives a BadassBoast to Archmage Twilight about how the sorceress Prismia tested her. Then, Chapter Nineteen ("Whem The Dust Settles") ends on the WhamLine that Cadenza, her counterpart from Imperial Equus, never even ''met'' Prismia.
to:
** Prismia is mentioned several times during the Battle of Boston; first, in Chapter Sixteen ("An Angel's Wings") when Cadance gives a BadassBoast to Archmage Twilight about how the sorceress Prismia tested her. Then, Chapter Nineteen ("Whem ("When The Dust Settles") ends on the WhamLine that Cadenza, her counterpart from Imperial Equus, never even ''met'' Prismia.
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Changed line(s) 13 (click to see context) from:
** Prismia is mentioned several times during the Battle of Boston; first, in Chapter Sixteen ("An Angel's Wings") when Cadance gives a BadassBoast to Archmage Twilight about how the sorceress Prismia tested her. Then, Chapter Nineteen ends on the WhamLine that Cadenza, her counterpart from Imperial Equus, never even ''met'' Prismia.
to:
** Prismia is mentioned several times during the Battle of Boston; first, in Chapter Sixteen ("An Angel's Wings") when Cadance gives a BadassBoast to Archmage Twilight about how the sorceress Prismia tested her. Then, Chapter Nineteen ("Whem The Dust Settles") ends on the WhamLine that Cadenza, her counterpart from Imperial Equus, never even ''met'' Prismia.
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Changed line(s) 83 (click to see context) from:
** Amongst other events from the "official" canon of ''Friendship is Magic'' that Princess Luna witnesses during her dream-walk, she sees [[Recap/MyLittlePonyFriendshipIsMagicS3E13MagicalMysteryCure Twilight as an alicorn]] and [[Recap/MyLittlePonyFriendshipIsMagicS9E24TheEndingOfTheEndPart1 fighting a shadowy]] [[Recap/MyLittlePonyFriendshipIsMagicS9E25TheEndingOfTheEndPart2 trio of villains]], and finally, [[Recap/MyLittlePonyFriendshipIsMagicS9E26TheLastProblem the very last shot of the series]].
to:
** Amongst other events from the "official" canon of ''Friendship is Magic'' that Princess Luna witnesses during her dream-walk, she sees [[Recap/MyLittlePonyFriendshipIsMagicS3E13MagicalMysteryCure Twilight as an alicorn]] and alicorn]], [[Recap/MyLittlePonyFriendshipIsMagicS9E24TheEndingOfTheEndPart1 fighting a shadowy]] [[Recap/MyLittlePonyFriendshipIsMagicS9E25TheEndingOfTheEndPart2 trio of villains]], and finally, [[Recap/MyLittlePonyFriendshipIsMagicS9E26TheLastProblem the very last shot of the series]].
Changed line(s) 90 (click to see context) from:
** The tea-time scene between the Three Sisters shows Princess Celestia in her little-pony form for the first time. Interestingly, while Celestia's natural mane-colour as a little pony is pink, she prefers dying it blonde, consistent with her disguise in "[[Recap/MyLittlePonyFriendshipIsMagicIDWIssue65 Queen For One Less Day]]". The comic's story is even mentioned later to have occurred in some form, with Celestia disguising herself to find the Alicorn Amulet after it got stolen by a street urchin, whom she freed from their [[TheFagin cruel aunt]].
to:
** The tea-time scene between the Three Sisters shows Princess Celestia in her little-pony form for the first time. Interestingly, while Celestia's natural mane-colour as a little pony is pink, she prefers dying dyeing it blonde, consistent with her disguise in "[[Recap/MyLittlePonyFriendshipIsMagicIDWIssue65 Queen For One Less Day]]". The comic's story is even mentioned later to have occurred in some form, with Celestia disguising herself to find the Alicorn Amulet after it got stolen by a street urchin, whom she freed from their [[TheFagin cruel aunt]].
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Changed line(s) 90 (click to see context) from:
** The tea-time scene between the Three Sisters shows Princess Celestia in her little-pony form for the first time. Interestingly, while Celestia's natural mane-colour as a little pony is pink, she prefers dying it blonde, consistent with her disguise in "Recap/MyLittlePonyFriendshipIsMagicIDWIssue65 Queen For One Less Day]]". The comic's story is even mentioned later to have occurred in some form, with Celestia disguising herself to find the Alicorn Amulet after it got stolen by a street urchin, whom she freed from their [[TheFagin cruel aunt]].
to:
** The tea-time scene between the Three Sisters shows Princess Celestia in her little-pony form for the first time. Interestingly, while Celestia's natural mane-colour as a little pony is pink, she prefers dying it blonde, consistent with her disguise in "Recap/MyLittlePonyFriendshipIsMagicIDWIssue65 "[[Recap/MyLittlePonyFriendshipIsMagicIDWIssue65 Queen For One Less Day]]". The comic's story is even mentioned later to have occurred in some form, with Celestia disguising herself to find the Alicorn Amulet after it got stolen by a street urchin, whom she freed from their [[TheFagin cruel aunt]].
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Changed line(s) 62 (click to see context) from:
** Celestia takes Luna and Galatea to see the [[WesternAnimation/MyLittlePonyEquestriaGirls Crystal Mirror]] stored in Canterlot Palace. While discussing the Mirror's history, there is some debate between the sisters as to which version of the story of how Starwirl banished the Sirens is true; [[ComicBook/MyLittlePonyFiendshipIsMagic him going at it alone in a musical contest]], or [[Recap/MyLittlePonyLegendsOfMagic with the aid of the Pillars of Equestria]].
to:
** Celestia takes Luna and Galatea to see the [[WesternAnimation/MyLittlePonyEquestriaGirls Crystal Mirror]] stored in Canterlot Palace. While discussing the Mirror's history, there is some debate between the sisters as to which version of the story of how Starwirl Starswirl banished the Sirens is true; [[ComicBook/MyLittlePonyFiendshipIsMagic him going at it alone in a musical contest]], or [[Recap/MyLittlePonyLegendsOfMagic with the aid of the Pillars of Equestria]].
** The tea-time scene between the Three Sisters shows Princess Celestia in her little-pony form for the first time. Interestingly, while Celestia's natural mane-colour as a little pony is pink, she prefers dying it blonde, consistent with her disguise in "Recap/MyLittlePonyFriendshipIsMagicIDWIssue65 Queen For One Less Day]]". The comic's story is even mentioned later to have occurred in some form, with Celestia disguising herself to find the Alicorn Amulet after it got stolen by a street urchin, whom she freed from their [[TheFagin cruel aunt]].
Changed line(s) 92 (click to see context) from:
** Amongst Lyra's science team on the Expedition are [[Literature/TheDaringDoAdventureCollection A.B. Ravenhoof]], [[Literature/TheDaringDoAdventureCollection Brumby Cloverpatch]][[note]]Who also appeared in the chapter-book ''Beyond Equestria: Rainbow Dash Rights The Ship''[[/note]] and [[Recap/MyLittlePonyFriendshipIsMagicIDWIssue58 Miss Vine]], here given the name "Emerald Vine".[[note]]And according to [=VoxAdam=], Miss Vine also happens to be the niece of [[Literature/TheDaringDoAdventureCollection Thaddeus Vine.]][[/note]]
to:
** Watching from the stands at the departure of the Expedition Into The Unknown, Shining Armor briefly witnesses Headmaster Nexus formally handing over his duties as Archmage to [[ComicBook/MyLittlePonyMicroSeries Professor Inkwell]]. Shining notes this is somehow appropriate for the times, since Inkwell was a hero who helped defend Canterlot from an invasion by Shadows.
** Amongst Lyra's science team on the Expedition are [[Literature/TheDaringDoAdventureCollection A.B. Ravenhoof]], [[Literature/TheDaringDoAdventureCollection Brumby Cloverpatch]][[note]]Who also appeared in the chapter-book ''Beyond Equestria: Rainbow Dash Rights The Ship''[[/note]] and [[Recap/MyLittlePonyFriendshipIsMagicIDWIssue58 Miss Vine]], here given the name "Emerald Vine".[[note]]And according to [=VoxAdam=], Miss Vine also happens to be the niece of [[Literature/TheDaringDoAdventureCollection ThaddeusVine.]][[/note]]Vine]][[/note]]
** Amongst Lyra's science team on the Expedition are [[Literature/TheDaringDoAdventureCollection A.B. Ravenhoof]], [[Literature/TheDaringDoAdventureCollection Brumby Cloverpatch]][[note]]Who also appeared in the chapter-book ''Beyond Equestria: Rainbow Dash Rights The Ship''[[/note]] and [[Recap/MyLittlePonyFriendshipIsMagicIDWIssue58 Miss Vine]], here given the name "Emerald Vine".[[note]]And according to [=VoxAdam=], Miss Vine also happens to be the niece of [[Literature/TheDaringDoAdventureCollection Thaddeus
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** The disguise Princess Luna wears is a dead ringer for her [[Recap/MyLittlePonyFriendshipIsMagicS1E1MareInTheMoon Season One appearance]], minus wings.
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** The disguise Princess Luna wears is a dead ringer for her [[Recap/MyLittlePonyFriendshipIsMagicS1E1MareInTheMoon [[Recap/MyLittlePonyFriendshipIsMagicS1E2ElementsOfHarmony Season One appearance]], minus wings.
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** Amongst other events from the "official" canon of ''Friendship is Magic'' that Princess Luna witnesses during her dream-walk, she sees [[Recap/MyLittlePonyFriendshipIsMagicS3E13MagicalMysteryCure Twilight as an alicorn]] and [[Recap/MyLittlePonyFriendshipIsMagicS9E24TheEndingOfTheEndPart1 fighting a shadowy]] [[Recap/MyLittlePonyFriendshipIsMagicS9E25TheEndingOfTheEndPart2 trio of villains]].
to:
** Amongst other events from the "official" canon of ''Friendship is Magic'' that Princess Luna witnesses during her dream-walk, she sees [[Recap/MyLittlePonyFriendshipIsMagicS3E13MagicalMysteryCure Twilight as an alicorn]] and [[Recap/MyLittlePonyFriendshipIsMagicS9E24TheEndingOfTheEndPart1 fighting a shadowy]] [[Recap/MyLittlePonyFriendshipIsMagicS9E25TheEndingOfTheEndPart2 trio of villains]].villains]], and finally, [[Recap/MyLittlePonyFriendshipIsMagicS9E26TheLastProblem the very last shot of the series]].
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** The disguise Princess Luna wears is a dead ringer for her [[Recap/MyLittlePonyFriendshipIsMagicS1E1MareInTheMoon Season One appearance]], minus wings.
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** A recurring motif throughout the chapter is the presence of two children's books with water-color illustrations, ''Under The Sparkling Sea'' and ''The Dragons On Dazzle Island'', the titles of real-life ''Friendship is Magic'' picture-books by Mary Jane Begin, notable for their hand-painted, water-colour artwork. In ''Spectrum'', the books' equivalents turn out to have been written and illustrated by Princess Celestia herself, working under the pen name of Sunny Skies.
to:
** A recurring motif throughout the chapter is the presence of two children's books with water-color illustrations, books, ''Under The Sparkling Sea'' and ''The Dragons On Dazzle Island'', the titles of real-life ''Friendship is Magic'' picture-books by Mary Jane Begin, notable for their hand-painted, water-colour artwork. In ''Spectrum'', the books' equivalents turn out to have been written and illustrated by Princess Celestia herself, working under the pen name of Sunny Skies.
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None
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Being an UltimateUniverse fanfiction of ''WesternAnimation/MyLittlePonyFriendshipIsMagic'' and [[Franchise/MyLittlePonyGeneration4 G4 as a whole]], ''Spectrum'' is packed with references, {{Call Back}}s and {{Call Forward}}s to the series, [[ComicBook/MyLittlePonyFriendshipIsMagicIDW comics]], books and [[WesternAnimation/MyLittlePonyTheMovie2017 movie]].
Those elements of the ExpandedUniverse that are directly fundamental to the main story are listed on the basis of the work they originated from; otherwise, the remainder are listed chapter-by-chapter.
Beware of unmarked spoilers.
!!Individual Works
* ''Literature/TwilightSparkleAndTheCrystalHeartSpell''
** Princess Cadance's backstory from the chapter-book is acknowledged as canon by ''Spectrum'', and gradually expanded upon, until it forms a cornerstone of the plot.
** As early as Chapter Three ("They Are Us"), Cadance is introduced reflecting upon how she has learned to fly. This is an indicator as to the BroadStrokes approach the story takes, since Cadance was born in ''Spectrum'' as a seemingly flightless pegasus.
** When Alex enquires from Cadance in Chapter Eleven ("Those On Pilgrimage") how come she is an alicorn, Lyra recounts to Twilight and the Bearers that Cadance told him the story (off-screen) about her meeting with Prismia. In an instance of ArcWelding, Prismia's necklace is confirmed to be the [[Recap/MyLittlePonyFriendshipIsMagicS3E5MagicDuel Alicorn Amulet]].
** Prismia is mentioned several times during the Battle of Boston; first, in Chapter Sixteen ("An Angel's Wings") when Cadance gives a BadassBoast to Archmage Twilight about how the sorceress Prismia tested her. Then, Chapter Nineteen ends on the WhamLine that Cadenza, her counterpart from Imperial Equus, never even ''met'' Prismia.
** Cadance telling Alex the tale of her childhood and ascension is shown in full with the Interlude between Acts Two and Three, "Child of Crystal".
* ''WesternAnimation/MyLittlePonyTheMovie2017''
** A starting clue that elements from the 2017 movie will factor into ''Spectrum'' can be found in Chapter Six ("Understanding Dawns"), when Cadance dream-walks into Blueblood's dreams and finds him sharing a romantic fantasy with Captain Celaeno. Blueblood mentions hooking up with her during a visit to [[WretchedHive Klugetown]].
** The Storm King's name is brought up a couple of times over the course of Act One, with increasing urgency.
*** It starts out innocuously enough when Chapter Nine ("The Heart Goes Last") has the Imperial Redheart give Icewind an abbreviated account of the Solar Empire's history, mentioning the Storm King as an enemy.
*** Later, in Chapter Eleven ("Witnesses") when Celestia sends out the Concordia's Call throughout Equus, the Kirin Mikado wonders if the feeling of static electricity was caused by him.
*** Chapters Twelve ("To Seize The Day") and Thirteen ("Concordia Maxima") ramp up the tension, as Queen Chrysalis herself is aware of the Storm King, the Kirin government prefer striking deals with him, and both the Abyssinian and hippogriff rulers initially treat him as a bigger concern than the crisis on Earth.
** Act Two sheds further light on why the hippogriffs, and other equine nations by extension, agreed to an alliance with the future Imperial Equestria; the Co-Harmony Sphere offered them protection against the Storm King.
*** Both Chapter Fifteen ("Two Faces") and Chapter Twenty ("Accept The Dawn" contain instances of a hippogriff character speaking of the good the Solar Empire has done to keep the Storm King at bay.
*** One of the flashbacks Princess Luna witnesses in Archmage Twilight's memories during Chapter Seventeen ("Thus, Lift Me Up") has a Changeling Queen, Papillate, offer an EnemyMine deal to Twilight by providing her with an Obsidian Orb and a warning about the Storm King's growing power. A later flashback in the same chapter, set at the foundation of the Co-Harmony Sphere, confirms the Storm King was driven back.
** Act Three brings this to its a local conclusion;
*** Towards the end of "Child of Crystal", the Interlude turns into a WhamEpisode by revealing that the Storm King orphaned Cadance, intending to steal her power for his own.
*** Following another few mentions, the Storm King finally appears in the flesh as Chapter Twenty-Three ("Here's To You") draws to a close, entering the story as an ArcVillain.
** When Tempest Shadow is introduced in Chapter Twenty-Three ("Here's To You")[[note]]Narratively referred to as the "Commander"[[/note]], her inner thoughts betray a note of regret about Rambler, the travelling pony whose caravan she joined during her wanderings, which is consistent with her backstory in both the comic-book ''ComicBook/MyLittlePonyTheMoviePrequel'' and the chapter-book ''Literature/TheStormyRoadToCanterlot''.
* Radiant Hope - ''ComicBook/MyLittlePonyFiendshipIsMagic'' (Issue #1) & ''ComicBook/MyLittlePonyFriendshipIsMagicIDW'' (Issues #34-37)
** Princess Luna's dreamwalk that concludes Chapter Twenty-Two ('Unveiled')[[note]]Which is also a "binge-watch" of the ''Friendship is Magic'' series and events from the "canon" timeline[[/note]] is another instance of ''Spectrum'' showing its hand in making changes from the official canon in order to serve its narrative; here, Radiant Hope is explained to be [[RelatedInTheAdaptation the daughter]] of Princess Amore.
** And the very next chapter, Chapter Twenty-Three ('Here's To You') takes this up another notch, by heavily implying that Radiant was Cadance's mother.
*** Celestia and Luna come to suspect Cadance's parentage by having Celestia sing the lullaby "Cold Hooves, Warm Hearts", a lullaby that originated in the chapter-book ''Princess Cadance And The Spring Hearts Garden'', with slightly different lyrics. Whereas the song from the book is identified as the favourite lullaby of Cadance's daughter, Flurry Heart, ''Spectrum'' has Cadance recognise it as a song that her own mother would sing to her...
!!Chapter-by-Chapter
* Chapter One - "The Human"
** ''Spectrum'' situates itself as set after the events of the episode "[[Recap/MyLittlePonyFriendshipIsMagicS3E5MagicDuel Magic Duel]]", since Twilight is busy studying the Alicorn Amulet. However, dialogue from the chapter demonstrates early on that the story is prepared to take liberties for its own purposes, since Trixe is said to be [[AdaptationalKarma facing a prison sentence]] for her actions.
*** Later chapters clarify that the episode's events occurred a year before the start of the story, but that Trixie was formally sentenced only four weeks beforehand.
* Chapter Two - "Friends On The Other Side"
** Princess Celestia opens the chapter reflecting on a future trade deal with the [[Recap/MyLittlePonyFriendshipIsMagicS8E23SoundsOfSilence Kirin]], yet these Kirin are presented somewhat differently from those on the show, as a Japanese-style commercial empire.
*** Supplementary material on the forum confirms the existence of the Kirin from the Peaks of Peril as a commune who live separately from their homeland's culture and politics.
** On Lyra's living-room wall is a StringTheory pegboard that includes a photo of the [[ComicBook/MyLittlePonyFriendshipIsMagicIDW Observer Pony]], himself a ShoutOut to ''{{Series/Fringe}}''.
* Chapter Three - "They Are Us"
** Celestia obliquely reflects on her past failure with [[WesternAnimation/MyLittlePonyEquestriaGirls Sunset Shimmer]].
** While discussing the myth of humans and ancient legends in general, Applejack and Rarity bring up the legends of [[Recap/MyLittlePonyFriendshipIsMagicS7E16CampfireTales Rockhoof and Mistmane]].[[note]]This chapter was written and published in October 2017, shortly after the episode had aired, but before the finale of Season 7, which turned the Pillars of Equestria into recurring characters on the show[[/note]]
** The connection between ''Spectrum'' and a BroadStrokes version of G1 is introduced by Lyra with a book about an expedition to the mythical Dream Valley. Celestia herself explains she once met a mare called Firefly when she was very young.
* Chapter Four - "Nightfall Over Boston"
** Although this chapter is light on content pertaining to the G4 ExpandedUniverse, the PHL High Command's members includes the one-episode character of [[Recap/MyLittlePonyFriendshipIsMagicS6E20VivaLasPegasus Gladmane]], alongside popular supporting-cast ponies such as Cheerilee, Vinyl Scratch, Doctor Whooves and Spitfire.
* Chapter Five - "The Hour Is Darkest Before"
** As the PHL rank-and-file are hypothesising at the campfire about what evil force may have corrupted Queen Celestia, Johnny C brings up the names of two villains from G1, Somnambula The Witch and Arabus The Cloud Demon.
* Chapter Six - "Understanding Dawns"
** It's blink-and-you'll-miss-it, but Princess Luna notes that Prince Blueblood is an heir of the line of [[Recap/MyLittlePonyFriendshipIsMagicS2E13HearthsWarmingEve Princess Platinum]], thus linking him to one of the six Hearthwarmers.
* Chapter Seven - "The Trinity Harmonious"
** Bonbon's secret identity as a superspy, introduced as a joke in "[[Recap/MyLittlePonyFriendshipIsMagicS5E9SliceOfLife Slice of Life]]" and further explored in the chapter-book ''Literature/LyraAndBonBonAndTheMaresFromSMILE'', is not only proven to be part of ''Spectrum'''s continuity, but is essential to the plot for the next two chapters.
* Chapter Eight - "An Opening"
** Galatea informs Alex that he carries on him an object of great power that could turn the war's tide; the [[WesternAnimation/MyLittlePonyTVSpecials Rainbow of Light]]. As it turns out, he's lost it in the Everfree Forest.
* Chapter Nine - "The Heart Goes Last"
** With Celestia and Luna unable to teleport in because of drained mana, they borrow the [[Recap/MyLittlePonyFriendshipIsMagicS8E1SchoolDazePart1 Medallion]] [[Recap/MyLittlePonyFriendshipIsMagicS8E2SchoolDazePart2 of]] [[Recap/MyLittlePonyFriendshipIsMagicS8E25SchoolRazePart1 Chancellor]] [[Recap/MyLittlePonyFriendshipIsMagicS8E26SchoolRazePart2 Neighsay]].
* Chapter Ten - "Witnesses"
** Sint Erklass and Elsa Erklass, OC Reindeer, mention checking in on the [[WesternAnimation/MyLittlePonyBestGiftEver Gift Givers of The Grove]] before heading to Equestria.
* Chapter Eleven - "Those On Pilgrimage"
** One of the foreign horse delegates from "[[Recap/MyLittlePonyFriendshipIsMagicS3E5MagicDuel Magic Duel]]", popularly known to fans as Amira, makes an appearance at the beginning of the chapter visiting her husband in prison. While Amira returns to the background for the rest of Acts One and Two, her and her family's prominence will rise by Act Three.
* Chapter Twelve - "To Seize The Day"
** Celestia takes Luna and Galatea to see the [[WesternAnimation/MyLittlePonyEquestriaGirls Crystal Mirror]] stored in Canterlot Palace. While discussing the Mirror's history, there is some debate between the sisters as to which version of the story of how Starwirl banished the Sirens is true; [[ComicBook/MyLittlePonyFiendshipIsMagic him going at it alone in a musical contest]], or [[Recap/MyLittlePonyLegendsOfMagic with the aid of the Pillars of Equestria]].
*** The dialogue suggests [[TakeAThirdOption the truth lies somewhere in between]] in ''Spectrum'', with Starswirl facing the Sirens together with the Pillars as his band.
* Chapter Thirteen - "Concordia Maxima"
** The entirety of the chapter is set in the [[Recap/MyLittlePonyFriendshipIsMagicIDWIssue61To62 Hall of Unity]], revolving around an appropriately important international summit.
** While the Tirek referred to by Sypkoran, himself a much-much-older version of G1 Spike, is the one from G1, Scorpan is identified as his brother, similar to G4.
* Chapter Sixteen - "An Angel's Wings"
** The brainwashed Imperial Spike's flash of memories indicates that before he and Rarity got captured by the Solar Empire, their journey took them past [[WesternAnimation/MyLittlePonyRainbowRoadtrip Hope Hollow]].
* Chapter Seventeen - "Thus, Lift Me Up"
** Twilight's memories of the Crystal War make mention of liberating a little mining town outside the Realm, reaffirming that not all ponies up North live within the city's magical dome as seen in "[[Recap/MyLittlePonyFriendshipIsMagicIDWIssue67To68 Tempest's Tale]]".
** Amongst the equine national leaders present at the foundation of the Co-Harmony Sphere are the [[Recap/MyLittlePonyFriendshipIsMagicS4E24EquestriaGames Duke and]] [[Recap/MyLittlePonyFriendshipIsMagicS4E25TwilightsKingdomPart1 Duchess of Maretonia]], here named as Nibiru and Silili.
* Chapter Eighteen - "Moonrise Over Boston"
** The Lieutenant of the Imperial Guard outpost at Fellsmere Park is Fire Flare, a one-off background character and stunt performer from "[[Recap/MyLittlePonyFriendshipIsMagicS9E17TheSummerSunSetback The Summer Sun Setback]]".
* Chapter Nineteen - "When The Dust Settles"
** Luna casually tells Maxine that she used to bear the [[Literature/TheJournalOfTheTwoSisters Element of Laughter]].
* Interlude - "Child of Crystal"
** As she reminisces on her past, Prismia recalls drawing Clover the Clever on a long chase that culminated in a garden, implying she is also the sorceress who carried the [[WesternAnimation/MyLittlePonyEquestriaGirlsForgottenFriendship Memory Stone]].
* Chapter Twenty-Two - "Unveiled"
** Lady Cadenza's replacement on her seat of the PHL High Command is Olivine Jewel, a crystalpony who was a key character in ''Princess Cadance And The Spring Hearts Garden''.
** When analysing the copy of Alex's runes, Qabil al-Husan identifies some of them as wielded by an ancestor of his during a revolutionary war against Saddle Mareabia by their former colony of [[Recap/MyLittlePonyFriendshipIsMagicIDWIssue89To92 Farasi]].
** A few comments by Headmaster Spell Nexus indirectly reveal that Starlight Glimmer is his goddaughter, which is followed up on in subsequent chapters.
** Amongst other events from the "official" canon of ''Friendship is Magic'' that Princess Luna witnesses during her dream-walk, she sees [[Recap/MyLittlePonyFriendshipIsMagicS3E13MagicalMysteryCure Twilight as an alicorn]] and [[Recap/MyLittlePonyFriendshipIsMagicS9E24TheEndingOfTheEndPart1 fighting a shadowy]] [[Recap/MyLittlePonyFriendshipIsMagicS9E25TheEndingOfTheEndPart2 trio of villains]].
* Chapter Twenty-Three - "Here's To You"[[note]]Identified in the authors' notes as the ContinuityCavalcade chapter by [=VoxAdam=][[/note]]
** A recurring motif throughout the chapter is the presence of two children's books with water-color illustrations, ''Under The Sparkling Sea'' and ''The Dragons On Dazzle Island'', the titles of real-life ''Friendship is Magic'' picture-books by Mary Jane Begin, notable for their hand-painted, water-colour artwork. In ''Spectrum'', the books' equivalents turn out to have been written and illustrated by Princess Celestia herself, working under the pen name of Sunny Skies.
** [[WesternAnimation/MyLittlePonyEquestriaGirls Flash Sentry]], the pony, makes a very brief and innocuous cameo during Hadia al-Husan's reception to the Crystal Realm.
** Cadance mind-delving into the memories of the Imperial Spike leads to a revisitation of scenes lifted from "[[Recap/MyLittlePonyFriendshipIsMagicS6E5GauntletOfFire Gauntlet Of Fire]]", until they take a dark turn thanks to the ForWantOfANail of the Imperial Timeline.
*** Keeping watch over Imperial Spike in his cavern beneath the Crystal Realm's library is the [[Recap/MyLittlePonyFriendsForeverIssue4 Crystal Bard]].
** As the realisation sinks in that Thorax has run away from the Hive, Pharynx bitterly reflects that this has happened before with [[Recap/MyLittlePonyFriendshipIsMagicS5E9SliceOfLife Kevin]].
** During their conversation at the Hall of Unity's archives, Twilight tells Lyra about visiting Monacolt (''Princess Celestia And The Summer of Royal Waves''), and reminds her to pack a telescope for the Expedition so she can watch [[Recap/MyLittlePonyFriendshipIsMagicIDWIssue1To4 Secretariat's Comet]] pass over the Arctic.
** Before accompanying her friends to see Twilight off from the Hall of Unity, Fluttershy is found seeking consolation for Discord's loss in her [[ComicBook/MyLittlePonyMicroSeries Chamber of Extreme Knitting]].
** Amongst Lyra's science team on the Expedition are [[Literature/TheDaringDoAdventureCollection A.B. Ravenhoof]], [[Literature/TheDaringDoAdventureCollection Brumby Cloverpatch]][[note]]Who also appeared in the chapter-book ''Beyond Equestria: Rainbow Dash Rights The Ship''[[/note]] and [[Recap/MyLittlePonyFriendshipIsMagicIDWIssue58 Miss Vine]], here given the name "Emerald Vine".[[note]]And according to [=VoxAdam=], Miss Vine also happens to be the niece of [[Literature/TheDaringDoAdventureCollection Thaddeus Vine.]][[/note]]
Those elements of the ExpandedUniverse that are directly fundamental to the main story are listed on the basis of the work they originated from; otherwise, the remainder are listed chapter-by-chapter.
Beware of unmarked spoilers.
!!Individual Works
* ''Literature/TwilightSparkleAndTheCrystalHeartSpell''
** Princess Cadance's backstory from the chapter-book is acknowledged as canon by ''Spectrum'', and gradually expanded upon, until it forms a cornerstone of the plot.
** As early as Chapter Three ("They Are Us"), Cadance is introduced reflecting upon how she has learned to fly. This is an indicator as to the BroadStrokes approach the story takes, since Cadance was born in ''Spectrum'' as a seemingly flightless pegasus.
** When Alex enquires from Cadance in Chapter Eleven ("Those On Pilgrimage") how come she is an alicorn, Lyra recounts to Twilight and the Bearers that Cadance told him the story (off-screen) about her meeting with Prismia. In an instance of ArcWelding, Prismia's necklace is confirmed to be the [[Recap/MyLittlePonyFriendshipIsMagicS3E5MagicDuel Alicorn Amulet]].
** Prismia is mentioned several times during the Battle of Boston; first, in Chapter Sixteen ("An Angel's Wings") when Cadance gives a BadassBoast to Archmage Twilight about how the sorceress Prismia tested her. Then, Chapter Nineteen ends on the WhamLine that Cadenza, her counterpart from Imperial Equus, never even ''met'' Prismia.
** Cadance telling Alex the tale of her childhood and ascension is shown in full with the Interlude between Acts Two and Three, "Child of Crystal".
* ''WesternAnimation/MyLittlePonyTheMovie2017''
** A starting clue that elements from the 2017 movie will factor into ''Spectrum'' can be found in Chapter Six ("Understanding Dawns"), when Cadance dream-walks into Blueblood's dreams and finds him sharing a romantic fantasy with Captain Celaeno. Blueblood mentions hooking up with her during a visit to [[WretchedHive Klugetown]].
** The Storm King's name is brought up a couple of times over the course of Act One, with increasing urgency.
*** It starts out innocuously enough when Chapter Nine ("The Heart Goes Last") has the Imperial Redheart give Icewind an abbreviated account of the Solar Empire's history, mentioning the Storm King as an enemy.
*** Later, in Chapter Eleven ("Witnesses") when Celestia sends out the Concordia's Call throughout Equus, the Kirin Mikado wonders if the feeling of static electricity was caused by him.
*** Chapters Twelve ("To Seize The Day") and Thirteen ("Concordia Maxima") ramp up the tension, as Queen Chrysalis herself is aware of the Storm King, the Kirin government prefer striking deals with him, and both the Abyssinian and hippogriff rulers initially treat him as a bigger concern than the crisis on Earth.
** Act Two sheds further light on why the hippogriffs, and other equine nations by extension, agreed to an alliance with the future Imperial Equestria; the Co-Harmony Sphere offered them protection against the Storm King.
*** Both Chapter Fifteen ("Two Faces") and Chapter Twenty ("Accept The Dawn" contain instances of a hippogriff character speaking of the good the Solar Empire has done to keep the Storm King at bay.
*** One of the flashbacks Princess Luna witnesses in Archmage Twilight's memories during Chapter Seventeen ("Thus, Lift Me Up") has a Changeling Queen, Papillate, offer an EnemyMine deal to Twilight by providing her with an Obsidian Orb and a warning about the Storm King's growing power. A later flashback in the same chapter, set at the foundation of the Co-Harmony Sphere, confirms the Storm King was driven back.
** Act Three brings this to its a local conclusion;
*** Towards the end of "Child of Crystal", the Interlude turns into a WhamEpisode by revealing that the Storm King orphaned Cadance, intending to steal her power for his own.
*** Following another few mentions, the Storm King finally appears in the flesh as Chapter Twenty-Three ("Here's To You") draws to a close, entering the story as an ArcVillain.
** When Tempest Shadow is introduced in Chapter Twenty-Three ("Here's To You")[[note]]Narratively referred to as the "Commander"[[/note]], her inner thoughts betray a note of regret about Rambler, the travelling pony whose caravan she joined during her wanderings, which is consistent with her backstory in both the comic-book ''ComicBook/MyLittlePonyTheMoviePrequel'' and the chapter-book ''Literature/TheStormyRoadToCanterlot''.
* Radiant Hope - ''ComicBook/MyLittlePonyFiendshipIsMagic'' (Issue #1) & ''ComicBook/MyLittlePonyFriendshipIsMagicIDW'' (Issues #34-37)
** Princess Luna's dreamwalk that concludes Chapter Twenty-Two ('Unveiled')[[note]]Which is also a "binge-watch" of the ''Friendship is Magic'' series and events from the "canon" timeline[[/note]] is another instance of ''Spectrum'' showing its hand in making changes from the official canon in order to serve its narrative; here, Radiant Hope is explained to be [[RelatedInTheAdaptation the daughter]] of Princess Amore.
** And the very next chapter, Chapter Twenty-Three ('Here's To You') takes this up another notch, by heavily implying that Radiant was Cadance's mother.
*** Celestia and Luna come to suspect Cadance's parentage by having Celestia sing the lullaby "Cold Hooves, Warm Hearts", a lullaby that originated in the chapter-book ''Princess Cadance And The Spring Hearts Garden'', with slightly different lyrics. Whereas the song from the book is identified as the favourite lullaby of Cadance's daughter, Flurry Heart, ''Spectrum'' has Cadance recognise it as a song that her own mother would sing to her...
!!Chapter-by-Chapter
* Chapter One - "The Human"
** ''Spectrum'' situates itself as set after the events of the episode "[[Recap/MyLittlePonyFriendshipIsMagicS3E5MagicDuel Magic Duel]]", since Twilight is busy studying the Alicorn Amulet. However, dialogue from the chapter demonstrates early on that the story is prepared to take liberties for its own purposes, since Trixe is said to be [[AdaptationalKarma facing a prison sentence]] for her actions.
*** Later chapters clarify that the episode's events occurred a year before the start of the story, but that Trixie was formally sentenced only four weeks beforehand.
* Chapter Two - "Friends On The Other Side"
** Princess Celestia opens the chapter reflecting on a future trade deal with the [[Recap/MyLittlePonyFriendshipIsMagicS8E23SoundsOfSilence Kirin]], yet these Kirin are presented somewhat differently from those on the show, as a Japanese-style commercial empire.
*** Supplementary material on the forum confirms the existence of the Kirin from the Peaks of Peril as a commune who live separately from their homeland's culture and politics.
** On Lyra's living-room wall is a StringTheory pegboard that includes a photo of the [[ComicBook/MyLittlePonyFriendshipIsMagicIDW Observer Pony]], himself a ShoutOut to ''{{Series/Fringe}}''.
* Chapter Three - "They Are Us"
** Celestia obliquely reflects on her past failure with [[WesternAnimation/MyLittlePonyEquestriaGirls Sunset Shimmer]].
** While discussing the myth of humans and ancient legends in general, Applejack and Rarity bring up the legends of [[Recap/MyLittlePonyFriendshipIsMagicS7E16CampfireTales Rockhoof and Mistmane]].[[note]]This chapter was written and published in October 2017, shortly after the episode had aired, but before the finale of Season 7, which turned the Pillars of Equestria into recurring characters on the show[[/note]]
** The connection between ''Spectrum'' and a BroadStrokes version of G1 is introduced by Lyra with a book about an expedition to the mythical Dream Valley. Celestia herself explains she once met a mare called Firefly when she was very young.
* Chapter Four - "Nightfall Over Boston"
** Although this chapter is light on content pertaining to the G4 ExpandedUniverse, the PHL High Command's members includes the one-episode character of [[Recap/MyLittlePonyFriendshipIsMagicS6E20VivaLasPegasus Gladmane]], alongside popular supporting-cast ponies such as Cheerilee, Vinyl Scratch, Doctor Whooves and Spitfire.
* Chapter Five - "The Hour Is Darkest Before"
** As the PHL rank-and-file are hypothesising at the campfire about what evil force may have corrupted Queen Celestia, Johnny C brings up the names of two villains from G1, Somnambula The Witch and Arabus The Cloud Demon.
* Chapter Six - "Understanding Dawns"
** It's blink-and-you'll-miss-it, but Princess Luna notes that Prince Blueblood is an heir of the line of [[Recap/MyLittlePonyFriendshipIsMagicS2E13HearthsWarmingEve Princess Platinum]], thus linking him to one of the six Hearthwarmers.
* Chapter Seven - "The Trinity Harmonious"
** Bonbon's secret identity as a superspy, introduced as a joke in "[[Recap/MyLittlePonyFriendshipIsMagicS5E9SliceOfLife Slice of Life]]" and further explored in the chapter-book ''Literature/LyraAndBonBonAndTheMaresFromSMILE'', is not only proven to be part of ''Spectrum'''s continuity, but is essential to the plot for the next two chapters.
* Chapter Eight - "An Opening"
** Galatea informs Alex that he carries on him an object of great power that could turn the war's tide; the [[WesternAnimation/MyLittlePonyTVSpecials Rainbow of Light]]. As it turns out, he's lost it in the Everfree Forest.
* Chapter Nine - "The Heart Goes Last"
** With Celestia and Luna unable to teleport in because of drained mana, they borrow the [[Recap/MyLittlePonyFriendshipIsMagicS8E1SchoolDazePart1 Medallion]] [[Recap/MyLittlePonyFriendshipIsMagicS8E2SchoolDazePart2 of]] [[Recap/MyLittlePonyFriendshipIsMagicS8E25SchoolRazePart1 Chancellor]] [[Recap/MyLittlePonyFriendshipIsMagicS8E26SchoolRazePart2 Neighsay]].
* Chapter Ten - "Witnesses"
** Sint Erklass and Elsa Erklass, OC Reindeer, mention checking in on the [[WesternAnimation/MyLittlePonyBestGiftEver Gift Givers of The Grove]] before heading to Equestria.
* Chapter Eleven - "Those On Pilgrimage"
** One of the foreign horse delegates from "[[Recap/MyLittlePonyFriendshipIsMagicS3E5MagicDuel Magic Duel]]", popularly known to fans as Amira, makes an appearance at the beginning of the chapter visiting her husband in prison. While Amira returns to the background for the rest of Acts One and Two, her and her family's prominence will rise by Act Three.
* Chapter Twelve - "To Seize The Day"
** Celestia takes Luna and Galatea to see the [[WesternAnimation/MyLittlePonyEquestriaGirls Crystal Mirror]] stored in Canterlot Palace. While discussing the Mirror's history, there is some debate between the sisters as to which version of the story of how Starwirl banished the Sirens is true; [[ComicBook/MyLittlePonyFiendshipIsMagic him going at it alone in a musical contest]], or [[Recap/MyLittlePonyLegendsOfMagic with the aid of the Pillars of Equestria]].
*** The dialogue suggests [[TakeAThirdOption the truth lies somewhere in between]] in ''Spectrum'', with Starswirl facing the Sirens together with the Pillars as his band.
* Chapter Thirteen - "Concordia Maxima"
** The entirety of the chapter is set in the [[Recap/MyLittlePonyFriendshipIsMagicIDWIssue61To62 Hall of Unity]], revolving around an appropriately important international summit.
** While the Tirek referred to by Sypkoran, himself a much-much-older version of G1 Spike, is the one from G1, Scorpan is identified as his brother, similar to G4.
* Chapter Sixteen - "An Angel's Wings"
** The brainwashed Imperial Spike's flash of memories indicates that before he and Rarity got captured by the Solar Empire, their journey took them past [[WesternAnimation/MyLittlePonyRainbowRoadtrip Hope Hollow]].
* Chapter Seventeen - "Thus, Lift Me Up"
** Twilight's memories of the Crystal War make mention of liberating a little mining town outside the Realm, reaffirming that not all ponies up North live within the city's magical dome as seen in "[[Recap/MyLittlePonyFriendshipIsMagicIDWIssue67To68 Tempest's Tale]]".
** Amongst the equine national leaders present at the foundation of the Co-Harmony Sphere are the [[Recap/MyLittlePonyFriendshipIsMagicS4E24EquestriaGames Duke and]] [[Recap/MyLittlePonyFriendshipIsMagicS4E25TwilightsKingdomPart1 Duchess of Maretonia]], here named as Nibiru and Silili.
* Chapter Eighteen - "Moonrise Over Boston"
** The Lieutenant of the Imperial Guard outpost at Fellsmere Park is Fire Flare, a one-off background character and stunt performer from "[[Recap/MyLittlePonyFriendshipIsMagicS9E17TheSummerSunSetback The Summer Sun Setback]]".
* Chapter Nineteen - "When The Dust Settles"
** Luna casually tells Maxine that she used to bear the [[Literature/TheJournalOfTheTwoSisters Element of Laughter]].
* Interlude - "Child of Crystal"
** As she reminisces on her past, Prismia recalls drawing Clover the Clever on a long chase that culminated in a garden, implying she is also the sorceress who carried the [[WesternAnimation/MyLittlePonyEquestriaGirlsForgottenFriendship Memory Stone]].
* Chapter Twenty-Two - "Unveiled"
** Lady Cadenza's replacement on her seat of the PHL High Command is Olivine Jewel, a crystalpony who was a key character in ''Princess Cadance And The Spring Hearts Garden''.
** When analysing the copy of Alex's runes, Qabil al-Husan identifies some of them as wielded by an ancestor of his during a revolutionary war against Saddle Mareabia by their former colony of [[Recap/MyLittlePonyFriendshipIsMagicIDWIssue89To92 Farasi]].
** A few comments by Headmaster Spell Nexus indirectly reveal that Starlight Glimmer is his goddaughter, which is followed up on in subsequent chapters.
** Amongst other events from the "official" canon of ''Friendship is Magic'' that Princess Luna witnesses during her dream-walk, she sees [[Recap/MyLittlePonyFriendshipIsMagicS3E13MagicalMysteryCure Twilight as an alicorn]] and [[Recap/MyLittlePonyFriendshipIsMagicS9E24TheEndingOfTheEndPart1 fighting a shadowy]] [[Recap/MyLittlePonyFriendshipIsMagicS9E25TheEndingOfTheEndPart2 trio of villains]].
* Chapter Twenty-Three - "Here's To You"[[note]]Identified in the authors' notes as the ContinuityCavalcade chapter by [=VoxAdam=][[/note]]
** A recurring motif throughout the chapter is the presence of two children's books with water-color illustrations, ''Under The Sparkling Sea'' and ''The Dragons On Dazzle Island'', the titles of real-life ''Friendship is Magic'' picture-books by Mary Jane Begin, notable for their hand-painted, water-colour artwork. In ''Spectrum'', the books' equivalents turn out to have been written and illustrated by Princess Celestia herself, working under the pen name of Sunny Skies.
** [[WesternAnimation/MyLittlePonyEquestriaGirls Flash Sentry]], the pony, makes a very brief and innocuous cameo during Hadia al-Husan's reception to the Crystal Realm.
** Cadance mind-delving into the memories of the Imperial Spike leads to a revisitation of scenes lifted from "[[Recap/MyLittlePonyFriendshipIsMagicS6E5GauntletOfFire Gauntlet Of Fire]]", until they take a dark turn thanks to the ForWantOfANail of the Imperial Timeline.
*** Keeping watch over Imperial Spike in his cavern beneath the Crystal Realm's library is the [[Recap/MyLittlePonyFriendsForeverIssue4 Crystal Bard]].
** As the realisation sinks in that Thorax has run away from the Hive, Pharynx bitterly reflects that this has happened before with [[Recap/MyLittlePonyFriendshipIsMagicS5E9SliceOfLife Kevin]].
** During their conversation at the Hall of Unity's archives, Twilight tells Lyra about visiting Monacolt (''Princess Celestia And The Summer of Royal Waves''), and reminds her to pack a telescope for the Expedition so she can watch [[Recap/MyLittlePonyFriendshipIsMagicIDWIssue1To4 Secretariat's Comet]] pass over the Arctic.
** Before accompanying her friends to see Twilight off from the Hall of Unity, Fluttershy is found seeking consolation for Discord's loss in her [[ComicBook/MyLittlePonyMicroSeries Chamber of Extreme Knitting]].
** Amongst Lyra's science team on the Expedition are [[Literature/TheDaringDoAdventureCollection A.B. Ravenhoof]], [[Literature/TheDaringDoAdventureCollection Brumby Cloverpatch]][[note]]Who also appeared in the chapter-book ''Beyond Equestria: Rainbow Dash Rights The Ship''[[/note]] and [[Recap/MyLittlePonyFriendshipIsMagicIDWIssue58 Miss Vine]], here given the name "Emerald Vine".[[note]]And according to [=VoxAdam=], Miss Vine also happens to be the niece of [[Literature/TheDaringDoAdventureCollection Thaddeus Vine.]][[/note]]
