Filler Villain/Playing With

Basic Trope: A one-shot villain created for a Filler arc.
 * Straight: The Magical Girl series Blazing He♥rt Ichigo enters a Filler arc that wasn't in the original series. The arc's Big Bad is Blood Knight Rubia, and after her decisive defeat, she's never brought up again.
 * Exaggerated: Rubia and her followers, the four Crimson Heralds Rosso, Carmine, Scarlett and Rosy square off with Ichigo for a sprawling filler arc that takes up almost the entire season. Despite how long and difficult the battle was, they're lucky to get even a vague reference afterwards.
 * Justified: Rubia attacked Ichigo expecting to earn fame and glory, stomping on her Berserk Button to goad her into battle; Ichigo deliberately undermines her wishes by blowing her away and refusing to acknowledge her as being on the same level as her other adversaries.
 * Inverted: Rubia is replacing the villain this arc was supposed to have in the original series. The original villain only appears in a filler arc, and is never brought up again.
 * Subverted: Scarlett turns out to have Hidden Depths, pulling a Heel Face Turn when Ichigo helps him with Defusing the Tykebomb that Rubia turned his baby sister Rosy into. In the process, he also grows into a potential Love Interest for Ichigo.
 * Double Subverted: Once Rubia is defeated once and for all, however, Scarlett and Rosy are Put On a Bus for their happy ending off-screen while Ichigo gets back to the main plot, never even sparing a thought for her Temporary Love Interest.
 * Parodied: Rubia freely admits she has no real reason to challenge Ichigo other than amusing herself. Ichigo also takes a cavalier approach to the whole arc, figuring that it's better than being bored waiting for some real challenge.
 * Deconstructed: After Rubia's defeat, Ichigo promptly forgets not only about Rubia but also about Rubia's tactics, weapons, and weaknesses. This causes a problem when a later villain uses Rubia's exact strategies. Ichigo breaks down when she realizes she could have prevented a lot of devastation if she hadn't forgotten.
 * Reconstructed: The audience learns later that Rubia and the Crimson Heralds were written into reality to fill the void left behind by other (read: canon) villains. After their defeats, they are completely erased from reality.
 * Zig Zagged: Rubia appears in another adaptation of the original work, but her story is exactly the same, right down to being never referenced again.
 * Averted:
 * Filler for the series focuses solely on Character Development.
 * Rubia becomes a Canon Immigrant or gets a Continuity Nod.
 * Enforced: The Blazing He♥rt Ichigo Anime Overtook the Manga (or threatens to), so the writers created Rubia as a stopgap measure.
 * Lampshaded: Ichigo points out that Rubia wasn't in the original. Rubia admits to it and says she won't be mentioned again after this.
 * Invoked: Ichigo advertises for Filler villains while waiting for the Manga to catch up.
 * Exploited: Ichigo strives to have villains that won't be seen again because she doesn't have to worry about them anymore.
 * Defied: Rubia knows she won't be seen again, which drives her to somehow force a change to the status quo.
 * Discussed: "You're just a one-shot villain made up this story and won't be seen again!" "Yeah, I know. BUT I'LL STILL DO MY BEST!"
 * Conversed: "Why did they ever bother with Rubia? They never mentioned her again". "That's cause the anime was ahead of the manga and the writers had to make something up".
 * Played For Laughs: Ichigo gets a Breather Episode where Unknown Rival Sherbert comes out of nowhere to challenge her to a volleyball contest. Using magical fire and bubbles to make the 'ball'.
 * Played For Drama: ???

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