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* ''Manga/InuYasha'': Inuyasha's [[TwentyFourHourArmor Robe of the Fire Rat]] is stated to be stronger than any human-made armor, and yet it constantly gets [[ClothingDamage shredded]] whenever he fights.
* ''Manga/MyBrideIsAMermaid'': Maguro, Agitaro, and Furiyo are stated to Gozaburo's EliteMooks, but they're just as scared of cats as any other merperson, and in episode 16, they're completely ''pounded'' by Akeno not once, but twice.
* ''Anime/YuGiOhGX'':
** Fubuki is said to be one of the top duelists of the school and is even lauded as the best duelist they have left after Kaiser graduates. The one duel he has as his true self ends in a loss chalked up to a decidedly amateur mistake. (His duels as Nightshroud involved either [[BoringInvincibleHero Judai]] or [[VillainSue Hell Kaiser Ryo]].) In the manga, however, he more than lives up to his reputation.
** Another example is Manjyome Jun's two brothers, Shoji and Chosaku. Their plan was to TakeOverTheWorld using business, politics, and Duel Monsters, Shoji mastering the first and Chosaku the second (with Jun himself mastering the third, until he became disgusted with them and quit the plan). The thing is, while each of them claims to be tops in their field, no details are ever given of the company that Shoji owns or the political office that Chosaku holds, or any accomplishments that either has made in either fields. (Not to mention that, from what we've seen of them, their skills in leadership and strategy are ''terrible'', and whatever influence the two actually have, Seto Kaiba is clearly not impressed at all by it.)
* ''Manga/{{Bleach}}'':
** It's well-established that everyone fears getting Retsu Unohana upset with them, from 11th division bullies to heavy-weights such as Kyouraku and Ukitake. Although she's the military's top healer, her dominant skill is actually sword fighting. Since she's never allowed to fight, her reputation with the sword informed only, and the reason for her scary reputation unexplored. [[spoiler: The final arc resolves this, revealing her to be the 11th division founder and first Kenpachi. She trains Zaraki in a DuelToTheDeath TrainingFromHell scenario, proving that BeneathTheMask she's even more of an AxCrazy BloodKnight than Zaraki himself is; she actually reduces Zaraki to tears of despair at one point.]]
** 9th Espada, Aaroniero Arruruerie claims to have copied the abilities of ''over 36000 Hollows.'' Before he's killed, we see him use at most three of them.
** Taken to an extreme with Chojiro Sasakibe. [[spoiler:His funeral reveals he possessed Bankai but had [[IGaveMyWord always refused to use it]]. Justified, however, in that the manga has long introduced us to the concept of Shinigami who hide their Zanpakutou abilities for personal reasons; [[MagnificentBastard Aizen]], [[GambitRoulette Gin]], [[SubmissiveBadass Ikkaku]] and [[CoverblowingSuperpower Yumichika]] are the most well-known examples. [[TheFettered Choujirou]] therefore just slotted into an existing story concept.]] His case isn't helped by the fact that [[spoiler:the one time we see him enter a fight, at the end of the Soul Society arc, Ichigo knocks him out with one punch.]]
** According to pg.82 of ''The Official Bootleg'', Sui-Feng's division is said to excel at stealth, which they use to scout enemy territory and undertake special espionage missions. [[HighlyVisibleNinja Yet that isn't what the reader sees.]] In fact, [[MilitariesAreUseless their spy network hasn't been used once]] in the entire manga.
** Mashiro can hold her mask for ''15 hours''. But the only time she fights with her mask on it breaks after a few minutes.
** It's supposed to be impossible to overcome the effects of Shinji Hirako's shikai (so we're told over and over). It's been used twice, and neither of those opponents were more than mildly inconvenienced by it.
* Shinra from ''TheyAreMyNobleMasters'' is supposed to be a world-famous, talented conductor. Yet all we see her do is waving her staff around in a very unprofessional manner and answering stupid questions from her musicians. The music that results from her conducting is also not really noteworthy.
* In ''Manga/FairyTail'', there are several moves which represent this, although it would be classed more as ''Informed Power'' then ability. The Iron Dragon's Sword is stated by Gajeel to "be able to tear through anything it touches" yet has not hit a single target, presumably due to fights ending rather quickly should it actually hit. Whilst there are other moves that fit this bill, such as Laxus' Raging Bolt, but the biggest offender is the Abyss Break. It's supposedly a devastating spell that is capable of wiping away an entire town. The first time it's attempted to be cast, it's power source is removed, the second time, the user ''faints'' before being able to finish casting it. Abyss Break is the only spell to have never been officially cast despite being mentioned practically once every other arc.
** In fact, any such spell that's potentially able to end a target's life can be predicted as likely to miss or prove nowhere near as effective as claimed.
* Yukito from ''VisualNovel/{{Air}}'' supposedly managed to support himself for years by performing tricks with his magic doll, but in the TV series and manga he hardly makes a single yen with his act. He fares a bit better in TheMovie, though.
* Gates, the villain of ''LightNovel/FullMetalPanic! The Second Raid'', is supposedly an extremely skilled and dangerous HumongousMecha pilot who leads a team of specially trained hunter-killers for Amalgam, all of whom are equipped with extremely powerful [=BlackBox=] mecha (for a comparison, ''one'' such mecha in the hands of a lower-standing member of the organization fought Sousuke to a standstill three times, killed several {{redshirt}}s and mortally wounded a MauveShirt during the first season). Alas, five minutes after actually entering combat and proving his 'fearsomeness' by killing an overstrained and mentally unstable girl who was using an inferior machine, [[CurbStompBattle he and his entire team are bowled over by Sousuke in one go]] like so many {{mooks}}.
* ''Anime/CodeGeass'':
** Tohdoh is described as a great general (having beat Knightmare Frames during the invasion without any of his own), only to have disaster strike whenever he is put in a leadership position, the most obvious instance being the season finale where he manages to get nearly his entire army either killed or captured. ''Code Geass'' was quite big on informing of someone's genius outside of Lelouch.
** The Knights Of Round. Most of them are killed by [[spoiler:Suzaku]] with ease, and Luciano Bradley and 4 of his subordinates, together, manage to defeat a sniper in melee, but even the ones who live don't show impressive ability. Anya's greatest skill is using her Knightmare's giant cannon to blow stuff up, and with a cannon that big, I'd be shocked if she missed. Gino is the only one who shows actual skill, and he's left in the dust by Knight of Seven, [[spoiler:Suzaku Kururugi]] - so much that he's not even a challenge. At least he can go toe to toe with every other pilot in the series... Except, you know, the Black Knights' own ace, Kallen. But that's not unexpected, so that's... a 2 out of 7?
** Dorothea Ernst and Monica Kruszewski get the worst of it though, no doubt owing much to rushed planning for the second season that left them mostly out of the spotlight, getting only enough battle screen time to get one-shotted by Suzaku. [[EnsembleDarkhorse Fan favorite Nonette Enneagram]] was spared the indignity by being kept entirely in the background. Speaking of Nonette, she's been said to make even Cornelia nervous.
** In addition to being a ChessMaster, Lelouch is said to be an actual chess master, and the show at least tries to demonstrate it by showing fragments of his games. However, the few times his games are shown, his moves and thought processes, while good for the camera, aren't going to win games against any remotely skilled player in real life.
*** Worse still is Schneizel, who's said to be the only one who can beat Lelouch at chess (which doesn't sound so hard, considering). Then you have the situation in which he ''puts his own king in check'', even though that move is just plain illegal. Which proves he doesn't really seem to care at all about the game.
* Punie from ''DaiMahouTouge'' is supposed to have nigh-infallible submission techniques to bring down her opponents, but everybody who knows a bit about martial arts should see that it's a bit silly. Most opponents don't even defend against her approaches--and when they fall down they don't even ''try'' to get up anymore, making it all too easy for Punie to perform a lock on them.
* Manga/{{Naruto}}:
** Stealth and black ops for ninja in general. Ninja teachers will take any chance they get to lecture their students on the subtle arts of subterfuge, sabotage, assassination and spying. In practice they are as stealthy as a barrage of fireworks, and their chief concern is fighting other (equally flashy) ninja.
** The Chunin examinees are said to be the best Genin in the world, but all nine of the rookies fresh out of the Konoha academy, as well as Team Guy, whose members have been ninjas for a little over a year, all make it to the finals while many more experienced ninja fail [[spoiler:although in Kabuto's case, he did it on purpose to gather intelligence on the competitors]].
** Shikamaru's supposed IQ of 200. It only gets strained applications that come off as hokey at best, not to mention isn't integral to his character (though he is the GuileHero of the group) and being extremely dodgy in the first place. Same with Sakura's supposed smarts (In Part 1, she has high intelligence and genjutsu skills, but no abilities that make use of them); intelligence might be the worst trait to have in the series.
** Kakashi Hatake is said to have "over a thousand" different abilities he has copied from people over the years. Unfortunately we only see about six of them over the course of hundreds of episodes.
** Kakashi is better off than Sarutobi Asuma or especially Yuuhi Kurenai. Asuma is supposedly one of the most powerful guys in ''Naruto'', and besides defeating cannon fodder Sound nins, he next opponents were the Kisame and the immortal Hidan . Kurenai on the other hand, had faced undefeated Itachi.(Doesn't help that the only thing she really does in the plot afterwards is [[spoiler:get knocked up by Asuma shortly before he died]].)
** The worst offender, however, goes to the ANBU. They're sent on all the most dangerous missions, any BadAss main character has spent time in the ANBU, and overall, supposed to be the [=SEALs=] of the ninja world. When they actually get into a fight, they're degraded to {{mook}} status, those formerly BadAss masks now cementing their status as CannonFodder. The fact that they're anonymous but allegedly elite makes them custom-made for TheWorfEffect.
** Hanzou, leader of the Village Hidden in the Rain, also suffers from this. The audience is told of his almost unstoppable power and skills but we never actually see him in combat. This is then mixed with TheWorfEffect when [[spoiler:Hanzou's assassination is used to hype up Pain's own power, emphasized even more by the fact that Jiraiya, Tsunade, and Orochimaru all lost to Hanzou during the war. Both of these tropes are eventually averted for Pain when he proceeds to kill Jiraiya and blow up Konoha proving that the rumors of his abilities are no exaggeration.]]
** ''Naruto himself'' became a victim of this trope throughout the first half of Shippuden. Practically every mention of him was accompanied by a comment over how strong he is and how much he has improved, yet the only improvement he ever really showed was a bigger rasengan, and the constant need to get bailed out of any dangerous situation by his teammates. Thankfully, [[TookALevelInBadass he got better as the series went on]].
*** Another one is how while goofing off in class, he secretly trains extremely hard when no one is around because he both wants the attention of being a goofball but be skilled enough to one day be Hokage. Virtually any time he's shown actually trying he's just as unskilled as when he goofs off (such as failing the graduation tests and being unable to complete missions equivalent to yard work). Likewise, most of his successes are accomplished either from tricking his opponent in some way or just overwhelming them with his natural high amount of chakra. Added on to this, we only see that hard training in flashbacks as with the exception of training arcs, almost all of his downtime seems to be eating ramen and just doing normal civilian stuff.
** Another victim of this trope is the 2nd Hokage. Despite doing all of nothing in the one fight he has on-panel in the series, much, much later chapters have revealed several capabilities of his that have never been seen, including [[spoiler:creating the Edo Tensei technique, which allows the user to use golems of dead people to fight their opponent]], and [[spoiler:being a master of Space/Time techniques, the same techniques used by Madara and Minato Namikaze, the Fourth Hokage, which make them NighInvulnerable]].
** Sasuke has actually flirted with this trope from time to time. While he's without a doubt [[TheAce very skilled]], when you actually take a closer look at his Win/Lose ratio Sasuke doesn't put up the best performances. A good majority of Sasuke's victories have been a result of WorfHadTheFlu; [[spoiler:Naruto specifically held back at the end during their battle at the Valley of the End, he ambushed Orochimaru when he was on a sick bed, Itachi was nearly blind, half dead and holding back and still stomped Sasuke, who only technically won because Itachi then dropped dead on the spot due to an unrelated disease.]]
** Hayate Gekko, the Chunin Examiner was heavily implied to be pretty tough judging by the fact that he's got the job he does. However, he gets offed while listening in on two villains, one of which, the Sand Ninja Jonin was his killer.
* In ''{{Hitohira}}'', Nono is supposed to be able to beat up all of the karate club on her own, even though later she is shown to have her hands full fighting only ''one'' person, namely [[spoiler:her female fellow club member Risaki]]--which even results in a tie.
* ''MahouSenseiNegima'':
** The Canis Niger group of [[PunchClockVillain bounty hunters]], who were made out to be an incredibly strong group of mages. We see them capture Nodoka (a total noncombatant) and her group of treasure hunters (who we've never seen fight), before Negi shows up and wipes them all out single handedly. The only real thing of note that they pull off successfully is luring Setsuna and Kaede into a trap.
** In an in-universe example, Nagi Springfield the [[RedBaron Thousand Master's]] legend says he knows 1000 spells. In truth, he knows 6. To his credit, though, most of the ''[[BoringInvincibleHero other]]'' [[WorldsStrongestMan rumors]] tend to be true. It turns out that those 6 spells are all he ''needs''.
** Any given monster or non-humanoid creature generally fits, most notably the SealedEvilInACan Ryoman Sukuna no Kami, who was overwhelmed by an even more evil being Evangeline ''[[RedBaron the Dark Evangel]]'' ([[IHaveManyNames among her many titles]]). Also odd was a massive black dragon which Ninja Kaede defeated ''while blind-folded''.
* ''OnePiece'': The Sea Kings are supposedly very powerful, and serve as a means of dissuading sailors from entering the Calm Belt, but they only demonstrate how deadly they are when the Lord of the Coast eats Higuma the Bear in Luffy's past, and then eats Shanks' arm. They mostly serve to show how powerful certain characters are by [[TheWorfEffect falling in battle against them]].
** There is, however, immense variance in size and power among Sea Kings. The latest arc has appearances by Sea Kings like [[FanNickname Stripey]] who are bigger than good-sized islands; Lord of the Coast is probably about the size of one of their ''teeth''. These uber-Sea Kings also, unlike previous smaller ones, demonstrate human-level intelligence.
** Additionally, their primary threat is what they can do to ships rather than characters. Alot of the high end characters are Devil Fruit users. Destroy the ship and there's nothing keeping them out of the water. TKO.
* Asuka of ''Anime/NeonGenesisEvangelion'' offers an intellectual example. Reportedly, she is a prodigy who graduated from a German University by the age of 13, and though this emphasizes the competitiveness of her character, she never displays the education level she should have (the most she ever does is show off how easily she can do Shinji's homework, which is a straightfoward physics problem). Further, accelerated admission to higher learning in Germany is as much dependent on emotional maturity of the student, but her temperament doesn't suggest someone who'd be considered for Gymnasium early, much less Universitat, or even someone who'd been immersed in mature peer group, academic or otherwise. In the manga she at least shows an ability to act more mature than she actually is.
* Lampshaded in ''ThePrinceOfTennis 40''.5 databook. Aragaki, a character whose sole contribution was to lose a doubles match the author didn't even bother showing, is given a bio something like: "In order to hold his own on such a formidable team, he must have awesome tennis powers ... well, he ''should''..."
* ''SaintSeiya'' spends hours of footage telling us that Bronze Saints can reach the speed of sound, Gold Saints can reach the speed of light, and so forth. But when any of them need to get anywhere in a certain limit in time (read: once per arc), they run more-or-less as fast as a normal person ([[{{Padding}}or even slower]]).
* Several Examples from ''RaveMaster''. The first is Mega Unit, described as TheAlcatraz... while the person talking about it is looking at it in ruins after the BigBad [[CardboardPrison broke out]]. The next is Miltz, who's supposed to be one of the most powerful sorcerers in the world. It takes, at most, one spell to knock him down, and he never cast a single effective spell in battle either. The final one is Beryl, supposedly the strongest of the Oracion Six generals, all other six (as there were really seven) were quite a feat to beat, if beaten at all, and one later took down a demon lord. Beryl took only one hit.
* The [[HumongousMecha Mobile Suits]] suffer from this in ''{{Gundam 00}}''. They generally have a knack for using weapons once or twice (e.g. Exia only uses its wrist vulcans twice in 25 episodes. But blink and you'll miss it!) But [[AllThereInTheManual supplementary materials]] make things worse. For example, did you know the GN-007 Arios Gundam in season 2 had a beam shield? According to the official file it does, but it has never been animated. The Model Kits are another offender as well. The [[CompilationMovie Special Editions]] do add footage of some weapons in use, but these are only glimpses in action packed sequences.
** ''Anime/MobileSuitGundamAGE'' does this to Kio Asuno, the third-generation protagonist. Initially, he's an inexperienced pilot who relies on the power of the Gundam, [[PsychicPowers his X-Rounder abilities]], and his wingmates to get through battle. As the series progresses, everyone starts talking about what a great pilot he is, except he's still easily defeated as soon as he's deprived of one of his crutches.
* The Royal Knights from ''[[Anime/DigimonSavers Digimon Data Squad]]''. Not a one of them is remotely tough, always getting taken down within an episode. Even worse, it's continually talked about how powerful they are. In fact, when they join the good guys, they don't even really help, they just kind of take a back seat.
* Mitsuko Kongou from ''Manga/ACertainScientificRailgun''. She's a Level 4 and worthy rival to teleporter Kuroko Shirai, and boasts about her powers to anyone who will listen (including those she's about to fight). Despite this, the first few times she appears in onscreen battles, she loses before even having a chance to use her ability. It's subverted when you actually do get to see her fight and she [[spoiler:launches an armored truck at two helicopters and then goes about fighting PoweredArmor soldiers [[BackToBackBadasses with Kuroko]]. [[CrouchingMoronHiddenBadass Turns out she can apply a constant force to any surface she touches.]]]]
* [[TheOjou Touka]] in ''Manga/{{Saki}}'' is supposedly a great Mahjong player. However, every match she's in, she manages to lose horribly. Offscreen she does fine though, in some cases because of her "Cold Touka" state, which she enters without knowing of it, and has a drastically different playstyle, enabling her to defeat the main character, [[DiscOneFinalBoss Koromo]] and professional Mahjong player Fujita in a practice game.
** Toyone Anetai of the Miyamori team supposedly has six different abilities. However, she only shows two of them in her match with Saki, [[spoiler:before losing and resulting in Miyamori being eliminated from the tournament]].
** Similar to Toyone, Komaki Jindai of Eisui is sometimes possessed with different "god" spirits that cause her to have different playstyles, but is only possessed by one in her match, which is fairly weak. [[spoiler:Like Toyone, her team doesn't make it to the next round, but she expects to do better in the individuals]].
** Several of the professional players' styles are [[AllThereInTheManual hinted at in supplementary materials]], but apart from [[CurbStompBattle Fujita easily defeating Saki and Nodoka]], we never see them in action.
* Konata from ''Manga/LuckyStar'' is said to be a good martial artist, but aside from that StreetFighter parody, we have yet to see her fight for real.
* Lorelei Wang from ''LoveIsInTheBag'' never passes the opportunity to tell everyone that she is a [[TeenGenius genius]], but even the rest of the cast is in doubt of that status.
* ''InfiniteStratos'' manages to give ''society'' an Informed Attribute. Since [[GenderRestrictedAbility only women can pilot the title]] [[AMechByAnyOtherName robots]], women are the dominant gender in the series. Except we never see anything of this (Save for maybe the IS' creator being a woman). It's so bad, this fact isn't mentioned on the LectureAsExposition like everything else and is instead awkwardly shoved into just-barely-related dialogue once in the first episode, then never brought up again.
* In the ''Manga/ExcelSaga'' manga, Elgala and Hyatt claim to be a master swordsman and marksman respectively. Elgala is seen holding a sword on a cover, once brandishes a stick like an IaijutsuPractitioner, and claims to have gone on a real-life adventure for treasure. Hyatt died trying to throw a rock the only time she's attempted "combat".
* Yoshii from ''Manga/{{Holyland}}'' is said to know how to use a knife properly, but apart from slashing some random guy once, he gets promptly demolished by Masaki when he tries to do so.
* Character sketches describes Literature Girl from ''Manga/DailyLivesOfHighSchoolBoys'' as an otherwise sociable, popular girl in Sanada West High... When not [[WrongGenreSavvy trying to]] [[LongingForFictionLand re-enact]] her RomanceNovel's MeetCute by lounging next to Hidenori--which is nearly the only case when she appears.
* Rando from ''Manga/YuYuHakusho'' is said to have 99 Techniques, but in his one appearance he uses only seven. He does refer to the last spell he uses as something he usually doesn't need to draw on.
* In ''Manga/TokyoMewMew'', Aoyama and Zakuro are both said to be excellent at speaking English, but they and the supposedly native speaker Mary [=McGuire=] do not speak it much better than GratuitousEnglish; there are relatively few grammar issues, but the delivery is ''very'' stilted.
* Meg from ''Anime/BurstAngel'' is suppose to be a bad ass mercenary that can handle herself in any fight against humans, cyborgs, or mechs. However, during the Anime series, we see her getting kidnapped over and over again with her partner [[SuperSoldier Jo]] having to rescue her.
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