In regards to the Inuyasha entry: The Shikon no Tama isn't inherently evil, it's just been corrupted. In fact, that's why Naraku went to all the trouble of setting Kikyo and Inuyasha against each other. Kikyo, a miko, had purified the jewel, and Naraku hoped to recorrupt it.
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This plot seems very similar to "plot coupons" from the notorious Turkey City Lexicon (http://www.sfwa.org/writing/turkeycity.html) and I suggest it be renamed accordingly. GottaCatchThemAll sounds much more to me like a tie-in for collectible toys or games, a la Pokemon, which used that slogan.
{{Branfish}}:
I agree, I suppose. If we don't merge this article with "Plot Coupons", though, I suggest changing its title to "Gotta catch 'em all", which I think was the original tagline. Pronouncing "them" in full just sounds laboured. Especially since we're already contracting "Got to" to "Gotta". Either expand it fully to "Got to catch them all" or contract it to "Gotta catch 'em all". Consistency is the True Way.
PaulA: The distinction is that GottaCatchThemAll is the ''plot'', and a PlotCoupon is the ''thing the plot revolves around''.
{{Ununnilium}}: Consistency may be the True Way, but not making big changes based on tiny details is the Way of the People Who Don't Get Horribly Burned-Out.
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PkMario: (Pss, The plurar of Horcrux is Horcruxes, it says in Jk Rowling's website. >.>)
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{{Sikon}}: Isn't {{Highlander}} a case of ThereCanBeOnlyOne?
{{Ununnilium}}: Yep. ''The'' case, in fact. Yanking.
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Nezumi: Relocating
* The Cyber-Elf gathering and utilization system introduced in the ''MegaMan Zero'' series had this sort of feel to it.
to {{Mons}} -- a portion of the ''gameplay'' revolves around collecting them, not the plot -- cyber-elves played a large role in the plot, but the collecting of them you do has zero plot relevance -- so they're not an example of this trope.
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Cosmetor: ''100 Deeds For Eddie [=McDowd=]'' isn't an example here, since he's ''performing'' good deeds, not looking for them. Although, that sort of premise is a trope in itself.
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Is 100% Completion a variant of this, whether as a self-imposed challenge or not?
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* What, ''no-one'' has mentioned the famous DungeonsAndDragons 1st edition adventure module ''[[http://dnd.wikia.com/wiki/Rod_of_Seven_Parts The Rod of Seven Parts]]'' (1976) yet? (Gary Gygax is turning in his grave, people.) That's, like, ancient gaming history and probably the origin from which all those fantasy video game quests about finding and re-assembling the scattered parts of an ancient artifact were ripped off.
** '''Dozens''' of D&D adventures have some variation on this theme, such as the three legendary weapons in ''White Plume Mountain''. Also, the Rod of Seven Parts adventure was for second edition and released about twenty years later than you claim it was. (These are also probably an influence on most of the videogame examples scattered throughout this list.)
-- Actually, the Rod itself first showed up in the 1976 original D&D supplement, ''Eldritch Wizardry'', with the scattering of its parts an explicit part of its description. YourObedientSerpent is adjusting the entry accordingly.
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The "other" category needs fixing. Those who hunt elves is an anime, there are others that should be moved to. I would do itt myself if I wasnt working and thus hasnt got the time.
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* In EternalSonata, you can collect a whole bunch of EZI paraphnelia. Much of it isn't even avaiable untill your second playthrough. Your reward for collecting it all: Nothing, in-game. But you DO get one of the most (if not THE most) high-scoring Achievement known to man: 321 points!
* Badges in CityOfHeroes have a GottaCatchThemAll quality to them, the shear number of them though makes this pretty much impossible as you can get badges for thing ranging from defeating enough of a certain type of enemy and visiting certain places to fairly ridiculus things like getting killed enough or being physically restrained by enemy enough. Not even to mention the badges you can only get by doing things like buying a certain version of the game.
* The Monster Rancher series used this as its key innovation, in that monsters could be created by inserting a CD\DVD into the Playstation/Playstation 2. This was furthered by the fact that many monsters were unique to certain CDs\DVDs, such as monsters which could only be obtained by inserting certain rare or important CDs\DVDs. This has inspired some fans of the series to collect vast amounts of CDs\DVDs.
* While not explicitly plot-related, One of the main draws of the ''Fire Emblem'' series is to collect each and every one of the LoadsAndLoadsOfCharacters without [[{{FinalDeath}} getting them killed]].
Pulled for not actually being this trope as it's defined, but they should get a new, more accurate, home.
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Is there a trope for items that are like this (frequently {{Cosmic Keystone}}s) that come in a set but are ''not'' collected by the heroes? Think the Palantiri or the lesser ''Rings from Lord of the Rings'' -- this is a very common trope; often each major faction will have one item from the set, or the setting's major struggles will be over who controls them. But no trope quite seems to cover it... They aren't always {{Cosmic Keystone}}s, but aside from this, that is the closest thing.
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{{arromdee}}: The bit about finding all the elements turned out to be a little strange when I started Googling it. There are enough contradictory sources, vague sources, and web pages that use obviously old sources that I really can't figure out if other elements exist in supernovas just through Google. And I don't know any handy nuclear physicists to ask. So the trope example remains vague.