[[quoteright:348:http://static.tvtropes.org/pmwiki/pub/images/Yaiba_-_Copia_7372.jpg]]

''Yaiba'' (''Ken'yu Densetsu Yaiba''/''Legend of the Swordsman Yaiba'') is a Shonen manga written by Gosho Aoyama, known for ''DetectiveConan'' and ''MagicKaito''. It starts out as a light, funny manga very similar to ''DragonBall'' but slowly becomes more serious towards the end.

The main character, Yaiba Kurogane is a KidSamurai, trained by his father Kenjuuro in a unspecified jungle. They both return to Japan where they're "hosted" by Raizo Mine, an old rival of Kenjuuro. Here Yaiba meets Sayaka, Raizo's daughter and [[TheRival Onimaru]], a highly skilled kendo master. To sum up, they become bitter rivals and Onimaru gets really obsessed with beating Yaiba. In order to do so, he tries to use the legendary [[CoolSword Fujin Katana]] (Wind Devil Sword in some translations), which grants power over [[BlowYouAway Wind Gusts and Typhoons]], but the sword turns him into a evil Oni (demon) bent on conquering the World. In order to stop him, Yaiba, with the help of Sayaka and his pets Kagetora ([[CowardlyLion a cowardly Tiger]]) and Shonosuke (a nice Vulture), goes on a quest to find and master the [[ShockAndAwe Raijin Katana]] (or Thunder God Sword), guarded by a 400 years old MiyamotoMusashi. After this, several arcs follow.
* The Hakki Arc: Yaiba must learn how to master the Raijin Sword and fight the Eight Great Oni sent by Onimaru.
* Kojiro's Revival Arc: Onimaru resurrects Musashi's rival Kojiro and Yaiba must face him. During this arc he finally masters the power of Raijin and learns a new attack.
* Onimaru's Fortress Arc: Our heroes storm Onimaru's fortress in order to stop him, but that won't be easy. Onimaru is eventually forced to withdraw, but he steals Raijin's Orb and hires Professor Kanabo, a MadScientist capable of repairing the Fujin Sword (which was broken by Yaiba).
* The Quest for the Legendary Orbs (Yes, in case you're wondering there are seven of them and they're required to summon the Dragon-God Ryujin, [[DragonBall but he doesn't grant any wish, and none of said orbs is orange]].) In order to reach Onimaru's Flying Castle, Yaiba & Co go on a quest for the Ryujin Orb, but they need to find the Seven Legendary Orbs first... and fight back Onimaru's [[CarnivalOfKillers warriors resurrected from the past]]. From this arc onward, the series started growing more serious.
* Kaguya's Arc: The return of Ryujin's power awakens the legendary Moon Princess Kaguya from her slumber, and Yaiba must protect the Earth (and Sayaka) from this alien menace, fighting back various enemies gifted with weird powers. [[spoiler: Eventually Kaguya is sealed inside the Planet and Ryujin's powers disappear]].
* (a whole volume of Filler arc): including the funny "Chiki Chiki Grand Prix" Omake.
* The Pyramid Arc: A mysterious Pyramid appears in Tokyo and starts causing earthquakes. Yaiba must venture inside it, defeats its powerful guardians and stop it before it's too late.
* The Underworld Arc: Right after the Pyramid Arc: Yaiba must face the menace coming from the depths of the earth and find out why these mysterious enemies hate humans so much...
* [[spoiler: The Yamata-No-{{Orochi}}]] arc: Onimaru is trying to gain an "Otherwordly Power" by unleashing a legendary monster who was sealed away long ago, and our Heroes must stop him once and for all. [[spoiler: Probably the darkest saga, it also features the return of Kaguya and Ryujin. After a terrible struggle, Yaiba manages to defeat Onimaru once and for all, but in order to seal the Orochi away he must give up the Supreme King Sword forever]].
* The Oda Nobunaga Tournament: the last arc: Yaiba and friends meet a young girl, who reveals herself as Yaiba's little sister. Soon he finds out that his mother is still alive and very rich, and his father Kenjuuro might be an impostor. In order to find out the truth, he faces the legendary and dangerous Oda Nobunaga Tournament, armed with his father's wooden sword. Yet, a mysterious organization, the Platina, is after him.... [[spoiler: After reaching the end, Yaiba must fight Onimaru, who was trained by Kenjuro himself and now is extremely powerful, and eventually manages to beat him, becoming the Greatest Samurai in Japan.... and yet he starts a new journey with Musashi, Kagetora and Shonosuke in order to become even more powerful.]]

An Anime was made, but it lasted only 52 episodes, covering the story from the beginning to Kaguya's Arc. Yaiba and friends appear in the MassiveMultiplayerCrossover game, VideoGame/SundayVSMagazineShuuketsuChoujouDaikessen.

Now it has a [[Characters/{{Yaiba}} Characters Page]].

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!!''Yaiba'' provides examples of:

* AbsurdlySharpBlade: Many swords in series are really sharp. Justified, because they're [[AWizardDidIt magical swords]].
* AchillesHeel: Many villains have these. Including Bat-Man (weak to sunlight), the Moon Bunnies (their ears) and Silver's [[GoForTheEye eye]].
* AccidentalPervert: Jubei at least once. All others are plain perverts [[AllMenArePerverts and proud of it!]].
* {{Acrofatic}}: Goemon Ishikawa is quite large and plump, but he's a LightningBruiser when he fights.
* AdaptationDistillation: The anime. The most lampant example is the first episode which managed to resume the whole ''first volume'' in thirty minutes.
* AffablyEvil: Goemon, who after all, enjoys drinking sake and wouldn't hurt animals no matter what. Also Kaguya, who flirted with Onimaru... before [[WorfEffect parrying his wind slash with her fan]] an tossing a huge ki blast at him.
* AirJousting: Whenever Yaiba have to face a flying opponent. Usually with a little help from Shonosuke and later with the Ryujin Katana.
* AllYourPowersCombined: The Ryujin (Dragon-God) Orb can use the powers of the other seven Legendary Orbs and some other tricks. [[spoiler: during the last battle against Kaguya, he must use this very trope in order to awaken the true power of the Dragon God]].
* AlluringAnglerfish: Yakitori, one of Onimaru's Shitenno in the Onimaru's Fortress arc. It actually has a Japanese paper lantern attached to it, and he's very proud of it. Oh, and don't call him [[BerserkButton "Toadstool"]]....
* AnAxeToGrind: Gerozaemon's weapon of choice. Also the Rock Soldier and Ruby in the Pyramid Arc.
* AncestralWeapon: Both Raijin and Fujin Swords are really old weapons from the past. Also many other swords.
* AnguishedDeclarationOfLove: [[spoiler: Yaiba says a "I Like You, seriously." to an aged Sayaka before confronting Kaguya. After the battle however he jokes about it, so we don't know if it was serious or not]].
* AnimeHair: Yaiba. Also Kotaro and Goemon, whose hair resemble a FunnyAfro.
* ArtificialHuman: The last guardians of the Pyramid, namely Ruby, Sapphire, Diamond [[spoiler: and Emerald]].
** Gozuma from the Platina Corporation is a partial exception: He's fully human, but underwent a special operation in order to have some chips planted in his muscles, making him the perfect warrior.
* ArrogantKungFuGuy: Takeshi Onimaru, before and after his transformation. Also Gekkou the Black Moon Bunny and Budou the [[ItMakesSenseInContext Grapefruit Soldier]].
* AttackAttackAttack: Yaiba's trademark strategy. Of course, if this doesn't work he's more than capable of finding out a solution against his foes.
* AttackItsWeakPoint: Done during the battle against Gold and Silver in the Underworld arc. [[spoiler: it doesn't really work as well as hoped]].
** [[spoiler: Yaiba defeat both Orochi and Onimaru by cutting their horns]]
* AttackOfThe50FootWhatever: This is the power of the Giant Orb of the Great Buddha of Nara. Also is CastFromHitPoints
* AuthorAvatar: Gosho's name (or Gosho himself) tends to pop up frequently here and there.
** He also appears along with the other characters (who refuse to acknowledge him and mercilessly mock him) in the Omake. He takes part in the race with the others but get [[BoltOfDivineRetribution zapped by God]] for cheating.
* BadAss: Jubei Yagyu and Devil King Onimaru . Also Young Musashi.
** BadAssBeard: Young Musashi sports one. He shaved himself before facing Kojiro at Ganryujima.
** BadAssCreed: The magical writings on the Fujin sword, that explain how to master it. Sadly, it' quickly forgotten.
** BadAssGrandpa: Musashi when he's not suffering from backache or peeping at some pretty lady or pillaging the nearest fridge he's a really skilled swordmaster, capable to fight toe-to-toe with powerful foes.
*** NeverMessWithGranny: despite being frequently offscreen, Sayaka's Granma may count. Surely she's a really competent Kendoka, and had a MamaBear moment in the first volume when Onimaru threatened Sayaka in order to know Yaiba's whereabouts.
** BadAssMoustache: Ryujin.
* BadPowersBadPeople: The Devil King Sword. In this case, the more wicked the wielder is, the more powerful it becomes.
* BaldOfEvil: Onimaru Takeshi sports one. Also the fallen monk [[TheBrute Seikai Miyoshi]].
* BarrierWarrior: One of the powers of Ryujin's sword allows Yaiba to create an energy shield. Emerald is capable of summoning Barriers and healing people. [[spoiler: Actually, she Is the Barrier Soldier]].
* BatOutOfHell: The strongest of the Hakki, the Batman (or Bat-Guy in the anime). See also OurVampiresAreDifferent
* BattleAmongstTheFlames:The final battle during the OdaNobunaga Tournament takes place in a copy of the Temple of Honnoji (where Nobunaga met his doom) and, just to fit the atmosphere, the shrine is set ablaze with fire arrows!
* BattleAura: Many fighters. Also shown as a power with [[spoiler: the Toujin (Battle Blades), a flurry of "ghost slices" that attacks the enemy from many directions and can only be "felt".]]
* BearsAreBadNews: Goemon Ishikawa can transform into a huge bear wearing a really hard armor.
* BeethovenWasAnAlienSpy: The famous poet Matsuo Basho was actually a vicious assassin who wanted to use Ryujin's powers to take over the world, but died of illness while on his quest. And now Onimaru has resurrected him...
* {{BFG}}: The Carbon-Freeze cannon and Gekko's Moonclub, which doubles as a Bazooka.
* {{BFS}}: Despite having a lot of swords and weapons, Aoyama rarely uses this trope. Yet, Kojiro's Laundry Pole has the power to grow really really long.
** Also the Devil King Sword (Mao Ken) is quite large compared to Gekko. Gold in the Underworld arc wields a gargantuan scimitar, but is quite justified because it fit its size.
* BigBad: Onimaru Takeshi, your typical overlord. Also Kaguya and, during the Pyramid and Underworld arcs, Boss.
** In the last arc the Platina Company.
** BigBadWannabe: [[TheStarscream Basho Matsuo]] want to find the Ryujin Orb and use its power to TakeOverTheWorld.
* BigBadAssBirdOfPrey: Kotaro Fuuma's [[OneWingedAngel true form]] is that of a Hawk-Man. Yaiba almost got killed by him.
* BigEater: Yaiba, Gerozaemon and Musashi, expecially Musashi, during the firsts arc. Musashi in his first appearence was able to steal and devour a whole roasted boar in about two panels or so.
** This was used by the Spiderman to tend a trap to them twice. And [[RuleOfFunny they fell for it twice!]].
* BigGood: Ryujin the Dragon-God. [[spoiler: Also Susanoo during the Yamata no Orochi arc]].
* BigDamnHeroes: Happens from time to time. [[spoiler: During Orochi arc, Ryujin does this in order to save Yaiba and Sayaka from Dark]].
* BigOlEyebrows: Musashi sports overly long eyebrows, long enough to make any [[WorldOfWarcraft Blood Elf]] jealous.
* BizarroUniverse: There's a small world inside the Darkness Orb: it looks like a black swamp with the kanji for "Darkness" in the sky, a watermill and a small mountain with a waterfall. Also, the ground is composed by the remains of the previous victims who[[AndIMustScream died of old age without finding a way out]]. The only way out is hidden behind the waterfall, but is guarded by a giant fire-breathing carnivorous Kappa named [[FluffyTheTerrible Kerosuke]].
** On the other hand, all your wishes (except leaving the Orb) can become true.
* BladeBelowTheShoulder: [[spoiler: Unlike the other Demons, Plasma uses two triangular blades protunding from his forearms.]]
* BladeOnAStick: The Snakeman wields the Snake-God Pike (a four pronged elaborated spear), who is said to be unbreakable. Also [[EvilSorcerer Shiro Amakusa]] can make a golden spear out of his hair.
* BlandNameProduct: ONY televisions.
* BloodlessCarnage: Semi-averted: Yaiba often bleeds when he gets hurt, but not too much.
* BlowYouAway: The powers of the Fujin Orb, and Onimaru's specialty. Later, Yaiba too when he obtain the Fujin Sword.
* BoobsOfSteel: Kaguya is the most powerful female character in Yaiba, and sports the largest bosom. Granted, not that there [[TheSmurfettePrinciple are many others female characters]], mind you. [[spoiler: Subverted by her true form for obvious reasons]].
* BoobyTrap: Whenever they have to face a Dungeon/Fortress, there will be traps. Also Goemon uses them in the Showdown vs Yaiba at Kawanakajima.
* BoozeBasedBuff: When Jubei get drunk, his dark side awakes and he transform himself into a wicked, drunk wolf.
* BossInMookClothing: At first Dark seems an ordinary Black Oni with a huge cool sword. Later he reveals himself as one of Onimaru's Demons.
* BrainwashedAndCrazy: Onimaru did this to the Japanese Ministers in order to take over Japan.
** [[spoiler: After being defeated by Yaiba, is revealed that Onimaru was always like this since he mastered the Fujin Katana and grew horns, and has no memory of what he have done before]].
* BreakableWeapons: Happens often with Musashi's and Jubei's katana, and with Laundry Pole (in that case the blade can grow back). Also the so-called Invincible Snake-God Pike and even Fujin Sword ( It got better). [[spoiler: During the Yamata no Orochi arc, Yaiba's Supreme King Sword started cracking after blocking Onimaru's strongest attack only to grow even stronger later when the blade shattered and reveald its full power. The same goes for the Devil King Sword]].
* BreathWeapon: Kotaro's Fire Ring Justu. Also [[spoiler: Demon-Gold]].
* ButtMonkey: Oooh boy, poor little Spiderman is a huge one. Onimaru never misses a chance for punishing him, insulting him and hanging him out of the fortress with a rope. He drop this habit later.
--> '''Spiderman''': "Onimaru-samaaaaaaa!!! Please Forgive meeeeeeee!!!"
* CallingYourAttacks: Yaiba Yaiba Yaiba. Also Onimaru and some of his enemies are guilty of this sometimes, often with bits of GratuitousEnglish.
** Let's not forget Kojiro, whose Sword need a special command ("Grow Laundy Pole!") in order to activate his powers. Is really noticeable in the Spanish dub of the Anime..
--> '''Kojiro''':"[[NoIndoorVoice ADELANTE ESPADA MAGICA! ENLARGATE!!!]]"
** In the last arc, Juubei was guilty of this.
* CameBackWrong: Kojiro and the Wandering Swordsmen resurrected by Onimaru were once famous japanese warriors.
* CantCatchUp: Musashi-Kojiro-Jubei. They're still top class warriors, but sadly they're no match for many enemies.
* CarnivalOfKillers: the Seven Revenant Swordsmen summoned by Onimaru during the "Ryuujin Orbs" arc, who are all famous warriors from the past, including monks, ninjas, samurai and a WarriorPoet assassin.
* CarryABigStick:
** Seikai Miyoshi wields a staff made of steel. Benkei uses a Steel Kanabo which resembles a Baseball Bat. (Well, in his [[ALoadOfBull true form ]] he's even dressed as a Baseball Player!)
** The WeaponOfChoice of Onimaru's [[{{Mooks}} Black Onis]].
* CatsAreMean: During one of the filler stories, a Hamster-sized Yaiba must help some poor mice to protect themselves against a band of evil cats lead by a huge scarred black cat. ItMakesSenseInContext.
* CharlesAtlasSuperpower: Yaiba is incredibly strong for a brat. Also many other Characters.
* ChickMagnet: Yaiba seems quite popular with young pretty girls.
* ClingyJealousGirl: Sayaka is a little hostile towards Emerald in the Pyramid arc.
* CombatPragmatist: Both Musashi and Yaiba firmly believe in this trope.
** Frederick Luther III, despite being a Knight, is not above using handshackles and hiding a large Zweihander under his cloak.
* CombatTentacles: Seikai Miyoshi when he turns into a giant red octopus. Also Moon General Shingetsu "Merge" himself with a squid in order to fight Yaiba.
* ConvectionSchmonvection: Partially averted when they try to recover the Fire Orb from inside Mount Aso (a Volcano), where they have some issues with the heat and the smoke. Played straight later in Mount Fuji's dungeons.
* CoolOldGuy: MiyamotoMusashi. Fullstop.
* CoolSword: Many, including the Raijin Katana, Fujin Katana and Ryujin Katana. Also, Kojiro's Laundy Pole (Monohoshizao) sword, the Devil King Sword, the Water Demon Longsword and Fire Demon Longsword [[spoiler: and the Supreme King Sword]].
* CordonBleughChef: Sayaka, albeit this happens only once.
* CorruptCorporateExecutive: Gakuso Shirogane, leader of the Platina organisation.
* CrazyPrepared: Goemon Ishikawa. As he said, "The same trick doesn't work twice with me!".
* CreepyCentipedes: The Centipede Soldier appears briefly during the Underworld arc, but is just an EliteMook.
* CreepyCoolCrosses: Shiro's Spear has a cross shaped blade, a nod to Shiro Amakusa's religion in RealLife
* CrossPoppingVeins
* CurbStompBattle: Onimaru to Yaiba in their first battle (when the former became a Oni). Also Yaiba against the Resurrected Batman and later against the denizens of the Underworld.
** Soshi Okita to Yaiba in the Oda Nobunaga Tournament. [[spoiler: Only his amazing inner spirit and newly discovered Toujin attack allowed him to force prevail.]]
* DarkActionGirl: Kaguya, Ruby, Sapphire, Diamond and Rain.
* DarkIsEdgy: [[MeaningfulName Dark's]] power is to control.. well.. [[CaptainObvious Darkness]]. Can also [[OneHitKill send his enemies into another dimesion]] [[AndIMustScream forever]].
** Also the Orb of Darkness, which sucks inside it all the "Dreamers". That includes the wielder. [[IncrediblyLamePun Yup, it sucks...]]
* DarkSkinnedBlonde: Jewel.
* DarkerAndEdgier
* DangerousForbiddenTechnique: The Devil King Sword's ''Full Moon Attack'' is powerful enough to wipe out a planet and turn the Earth into a Dead Star. That's the reason why the moon is a barren wasteland. [[spoiler: Onimaru uses it anyway in order to kill Yaiba.]].
* DemonHead
* DemonicPossession: What happens to both Onimaru and Yaiba when they awakened Fujin/Raijin's spirit. In Onimru's case, Fujin "agreed" to merge with Onimaru. [[spoiler: Later weaponized against the mind-reading Diamond by summoning both spirits into his body]].
* DevourTheDragon: [[spoiler: After getting hit by the Half Moon blast, Kagura merge with all the Moon Bunnies (included Gekko and Tsukikage) in order to become more powerful. Also the Spiderman got assimilated by Yamata no Orochi's flesh]].
* DiagonalCut: Kaminari Giri, as seen [[http://t2.gstatic.com/images?q=tbn:ANd9GcS-vVjKTYmNZJu6lIcgm_BZf0T5RhXxe9dIIBVxcCuCj8cnOiCP8w&t=1 here]] . Also Burner's death.
* DirtyOldMan: Musashi.
* DishingOutDirt: The Rock Soldier.
* DistressedDamsel: Sayaka. This happens a lot of times.
** Hilariously subverted during the fight between Giant Yaiba and Goemon inside the [[GiantMecha Osaka Castle]]. When Yaiba calls her "Brat" Sayaka snaps, Stand up ''breaking the steel table she was tied to'', silently walked outside and tossed said steel table to Yaiba. [[CrowningMomentOfFunny Even Goemon was scared!]].
* DoubleTake: When Yaiba saves [[TakenForGranite Carbonized Onimaru]] and brings him home, Musashi and the others react like this.
* TheDragon: [[BattleButler Tsukikage]] and later [[PsychoForHire Gekko]] for Kaguya, Dark for Onimaru in the last arc.
* DualWielding: Musashi and Jubei. Also Yaiba during the Pyramid Arc with the swords of Fujin and Raijin.
* DumbMuscle: Silver and Gold are awfully strong, but they have the intelligence of a child. Yaiba uses this detail against them.
** Also Benkei, who was tricked by Musashi into believe that a ''Kendama'' was actually the Legendary Orb he was looking for. (Granted,his plan boils down to sit on a bridge and mugging passerbies, taking away every ball-shaped item, ranging from marbles, to tennis balls to kendamas to ''CD-Roms'' to a ''paper with the word "Dama"''(ball)''written on it!!'')
* EarthquakeMachine: The Pyramid is this.
* EldritchAbomination: Kaguya's True Form. [[spoiler: also Yamata No Orochi. A.K.A, a ''Japan-sized dragon with eight heads''. And he actually IS Japan.]].
* EnemyMine: Yaiba and Onimaru allies themselves in order to defeat Kaguya. [[spoiler: Ironically, later Kaguya (in Sayaka's body) And Yaiba do this against Onimaru and Orochi]].
* EnergyWeapons: The three First Class Soldiers (Ruby Sapphire and Diamond) uses these. Also Jewel.
* EpicFlail: Kotaro's Kusarigama has a huge iron weight. Also Silver's WeaponOfChoice. And he can pull it out of his mouth
* EveryJapaneseSwordIsAKatana: Averted: The Katana of Fujin and Raijin don't look like typical katanas and the Ryujin sword is more a Tsurugi (straight sword).
* EverythingsBetterWithMonkeys: Averted with Basho Matsuo, who transform into a Chimpanzee and is an utter bastard.
* EverythingsBetterWithPrincesses: Sayaka is reveald to be the descendant of Princess Oto and Taro Urashima (see Japanese Folklore for that.) And she's also the descendant of the Dragon God priestess.
* [[ThreateningShark Everything Is Even Worse With Sharks]]: Moon General Mikazuki "merge" with a shark in order to fight Yaiba underwater.
* EverythingsBetterWithSpinning: Yaiba's Senpuken and Kazaguruma attacks, but not the "Yaiba Boomerang"....
** Also Onimaru's Tornado Attack involves spinning. [[spoiler: later Yaiba manages to learn this technique]].
* WickedWeasel: Expecially if we're talking of a [[{{Youkai}} Giant Six-Tailed Weasel (Raiju)]] with huge claws.
* EvilWeapon: The Devil King Sword (Mao Ken), forged by the Moon People, has the power of absorb the evil within a person and turn it into powerful Energy Attacks.
* ExoticWeaponSupremacy: Well, we have... Kotaro with his [[EpicFlail Kusari]][[SinisterScythe gama]], Goemon's arsenal (see below), the Moonfolk and Budou, who fights with WolverineClaws
** In the Oda Nobunaga Tournament, Yaiba fights the European Knight Frederick Luther III who uses a Rapier (which, for the japanese, can be considered an Exotic Weapon).
* {{Expy}}: of ''DragonBall''. Also:
** Musashi looks a lot like [[RanmaOneHalf Happosai]]. And Goemon is similar to the one from GanbareGoemon.
** Before growning horns, Onimaru looked like Tenshinhan.
** The Kaguya Arc is similar to the Frieza Arc, The Pyramid/Underworld Arc to Cell arc and [[spoiler: Orochi]] arc to Majin Buu arc.
** The Boss of the Underworld (which is not Hell, but a kingdom of misterious hooded beigns situated underground) is slightly similar to [[DragonBall Kami]].
* EyeBeams: Gold and Silver.
* EyeScream: How Silver is taken out. [[spoiler: That's not enough to kill him]].
* FaceHeelTurn: The Mushroom Soldier can do this if you eat one of his mushrooms, which grows in abundance in his chamber.
* {{Filler}}: A whole volume worth of it!
* FiveBadBand: Both Kaguya, Boss and Onimaru (latest arc)
** TheBigBad: Kaguya / Boss / Onimaru
** TheDragon: Gekko / Jewel or Gold&Silver / Dark
** TheEvilGenius: Tsukikage / Diamond / [[spoiler: Plasma]]
** TheBrute: Mangetsu / Ruby / Burner
** TheDarkChick: Hangetsu / Sapphire / Rain.
* FlamingSword: Yaiba when using the Fire Orb. [[spoiler: or the Supreme King Sword for the first time]]. Also Gold who can heat up his blade. And let's not forget Burner's Fire Demon Longsword, who can set fire to everything it touches. Kojiro learnt that in the worst way possible.
* FourIsDeath: Onimaru's Shitenno, [[spoiler: and later his Four Demons]].
* FreezeRay: The Carbon Freeze Cannon.
* FrickinLaserBeams: Kaguya can use them with her fan, which later entrust to Tsukikage. [[spoiler: After her OneWingedAngel form she can BeamSpam the hell out of her enemies via EyeBeams.]]
* FrogsAndToads: Geroda Gerozaemon, the first of the Hakki. (the Gero in his name is the japanese equivalent of Croak)
* FunnyForeigner: [[DirtyCoward Frederick Luther III]].
* FusionDance: Moonfolk's Getai power. Diamond and the other Soldiers uses this to create the allmighty Jewel.
* FuumaShuriken: Oddly, it's not used by the epynimous Kotaro, but by Goemon Ishikawa in his Bear form.
* GagPenis: It's implied that Yaiba got one when he used the power of the Giant Orb for the first time.
--> '''Yaiba''': "Ooooohh!!! That one too got Huge!!!"
* [[GiantEnemyCrab Giant Enemy Lobster]]: Mangetsu demonstrate the power of "Getai" ([[FusionDance merging]]) on a lobster.
* GiantSpider: The Spiderman, who is probably the cutest, funniest GiantSpider ever!
* GiveMeASword: When [[spoiler: Kaguya swallows the Sword of Raijin, Onimaru gives Yaiba the Fujin Sword so he can use the Ryujin Orb with it. Also because he intended to acquire the far more powerful Devil King Sword]].
* [[GodIsEvil God Is Useless]]: Amakusa tries to summon up to 36 gods to find out the location of the Legendary Orb of Kyushu, but he's hilariously unsuccessful. Also "God" in the Chiki Chiki Grand Prix Omake is shown as fat and lazy, and want to start a Galactic War just to win the boredom. He also really likes sports.
** Averted with Ryujin [[spoiler: and Susanoo]].
* GracefulLoser: Jubei, [[spoiler: Soshi Okita and, basically, all the millionairs who bet in the Oda Nobunaga Tournament to Yaiba.]]
* GratuitousEnglish: Many techniques. The Batman in the Japanese/Italian/Spanish/Non-English-speaking countries is a huge offender.
* GratuitousFrench: Chamaleon Bonaparte, "''Le Roi Malefique''" of Lord Onimaru.
* {{Hammerspace}}: Many people are guilty of this, including Kotaro Fuuma, Goemon Ishikawa and Benkei, whose weapons seem to materialize out of thin air. Averted somehow with Silver, who keep his huge Ball&Chain inside his stomach.
* HandsomeLech: Kojiro Sasaki. He's a living "Pretty Girls Radar".
* HeelFaceTurn: Gerozaemon, the Seacucumberman, Kojiro, Jubei. [[spoiler: Kaguya after the Orochi Arc, who decides to give up conquering earth and return on the moon]].
** HeelFaceRevolvingDoor: a running gag with Kojiro during the Onimaru Fortress arc. This backfires hilariously when he seriously try to backstab his fellows.
* HeroicSacrifice: Jubei is quite prone to these, also [[spoiler: almost everyone in the Ryujin's trials, but they [[UnexplainedRecovery got better]]. Emerald did this and she [[KilledOffForReal didn't]] .]]
** [[spoiler: When Ryujin got caught in Dark's Super Delta Zone attack, he puts a TakingYouWithMe in order to drag that evil monster with him.]]
* HeroicBSOD: Yaiba has had only two short ones: first when Onimaru kicked his ass with the Fujin sword and later when [[spoiler: he's utterly bested by Gekko and Sayaka choose to follow him in order to save Yaiba's life]].
* HeyItsThatVoice: Yaiba Kurogane is [[RanmaOneHalf Nabiki Tendo]], Sayaka is [[OnePiece Boa Hancock]] and ''Anime/SailorMoon.''
** Also: Musashi is Master Roshi from DragonBall Kai and [[InuYasha Goshinki]], Onimaru is [[DragonBall Vegeta]] and Kojirou is [[OnePiece Arlong]]. Besides, did [[RanmaOneHalf Ranma]] fell into the Drowned Kappa spring?
** Gekko the Black Moon Bunny is [[OnePiece Franky]]!?
** Last but not least: Kaguya-hime is [[Anime/SailorMoon Sailor Venus]].
* HistoricalDomainCharacter: Many, including, UsefulNotes/MiyamotoMusashi, UsefulNotes/SasakiKojiro, UsefulNotes/FuumaKotaro and UsefulNotes/YagyuJubei. UsefulNotes/HattoriHanzo gets a cameo during the Oda Nobunaga Tournament.
* HoistByHisOwnPetard:Kojiro is defeated by Jubei when he proves the lenght of his sword by standing on it and stretching it to the clouds. Jubei' answer? Kicking the blade and making him fall from Niigata to Tokyo. At least he landed in the women Dojo...
** More seriously with Goemon and his Shurikens.
** Silver got electrocuted by his own laser beam.
** Dark [[spoiler: fall victim of his own Super Delta Zone attack, courtesy of Ryujin. see above]].
* HollywoodChameleons: Chameleon Bonaparte again, who can basically turn invisible and even shapeshift into another person.
* IWasQuiteALooker: Musashi. And he still think he's at least decent.
--> '''Kojiro''':" And what happended to your face, (althought it wasn't as pretty as mine) Uh!?"
--> '''Musashi''' (calmly):" Hey, I'm still attractive!"
* IaijutsuPractitioner: The Yokoichimonji attack. Performed by [[spoiler: Devil King Onimaru]] and Yaiba.
* TheIdiotFromOsaka: Spiderman is a parody of Osaka people, expecially at first. He also speaks with Kansai dialect.
* IdiotHero: Yaiba. Yet he can come up with some smart plans during serious battles.
* ImprobableWeaponUser: Usually Yaiba's enemies are serious enough to use proper weaponry, yet we have:
** [[ButtMonkey Spiderman]] once used various cooking tools as weapons, and later he threw at Yaiba a flurry of Baseball balls.
** [[BountyHunter The one-shot villain Mister Onick]] uses two colossal gloves with his "Hand Power!" magic, which can bend metal objects and blades.
** Goemon Ishikawa's arsenal included not only a sword, two FuumaShuriken and two Sais, but also his Kiseru (pipe) and a [[ParasolOfPain steel umbrella]] used as shield.
** The Moon Bunnies weapon of choice is a [[DoubleWeapon cotton fioc-like club]]. Gekko has a more BadAss one which doubles as a [[BladeOnAStick javelin]] and a [[{{BFG}} Bazooka]].
* IncrediblyLamePun: Many of them, sometimes in Japanese only.
* InfinityPlusOneSword: The Ryujin Sword. [[spoiler: later the Supreme King Sword (Hao Ken), born by merging together the swords of Raijin and Fujin, and is the good counterpart of the Devil King Sword.]]
* InformedAbility: Played for laughs with the Ant Soldier, who is described as the strongest of all the Soldiers combined... but is Ant-sized too...
* InstantAwesomeJustAddDragons: Yaiba's first attempt to use the Gold Orb powers turned him into a small dragon. [[spoiler: also the White Dragon summoned by Ryujin's Sword]].
* InstantFlightJustAddSpinning: During the Legendary Orbs arc, it is revealed that the Starfishman, a former Hakki, can use spinning in order to fly around.
* {{Kappa}}: Kerokichi, the cute Kappa living inside the Darkness Orb. Also Kerosuke, who is a Gargantuan, well muscled and firebreathing Kappa. Our Kappas Are Different.
* KiAttacks: Many of them from Kaguya Arc onward.
* KidSamurai: Well, Duh...
** Also Soshi Okita is very young.
* KillItWithFire: The fate of Shiro and Goemon. Also Burner's Modus Operandi.
* KillItWithIce: The Ice Orb used on Benkei. Rain's power allows her to turn raindrops into ice needles. [[DeathOfAThousandCuts Ouch..]]
* KillItWithWater: Rain specialty. And we're talking about being speared by huge [[ThisIsADrill drills made of water]].
* KillerRabbit: Super Gorilla looks really tiny and cute, but he can send you flying with ease.
** All the Moon Bunnies are a literal example, but the Black Rabbit Gekko is the UrExample.
** Also the [[FlunkyBoss Snowman Soldier]], who looks innocent and goofy but is really [[AnIcePerson dangerous]].
* KissOfDeath: Kaguya needs to suck the "youthness" out of women by kissing them. Yup, you heard that...
* {{Kitsune}}: Shiro Amakusa's true form. He's also a master trasformist and when in human form has fox-like ears and whiskers.
** Don't forget the Tail.
*** [[RunningGag Ooops! (Pof!)]].
* KnifeNut: Spiderman used knives as his main weapon.
* KnightOfCerebus: The Batman, Mangetsu, Gekko, the Rock Soldier and Rain.
* LargeHam: Goemon Ishikawa. Ah-Hem: THE FEARSOME AND FAMOUS GOEMON ISHIKAWA.
* LaserGuidedAmnesia: [[spoiler: Emerald, sort of.]].
* LaserBlade: Many, albeit usually the whole weapon is a [[EnergyWeapon Laser]]. Also one of the Devil King Sword abilities is to create a very long one from the main physical blade.
** [[spoiler: Also the Supreme King Sword and Devil King Sword's true form unleashed shatters the blade and create a laser one]].
** An interesting variation is the Water Demon Longsword, which can pass throught any solid substance and cut only flesh. But it can't parry blows... AwesomeButImpractical.
* LightIsNotGood: Gekko's name means Moonlight, but he's evil as hell. [[spoiler: Plasma is a straight example]].
* LightEmUp: [[spoiler: Plasma the Light Demon.]].
* LightningBruiser: Yaiba and Musashi are both really fast. Also Kotaro, Goemon, Basho and Gold
* LongLostRelative: The last arc introduced Yaiba's sister and mother.
* MadScientist: Professor Kanabo, who works for Onimaru. He double as a CloudCuckooLander
* MadeOfIron: Almost everyone. Except poor Musashi of course..
* MakingASplash: The Water Orb of Suijin allows Yaiba to manipulate masses of water. Rain is the Water Demon. [[spoiler: Later Sayaka masters the Water Demon Longsword, but she can't use its full power.]].
* TheManBehindTheMan: [[spoiler: Come on Boss, I know you hate humans, but how could you trust Onimaru!?? WhatAnIdiot!]].
* MasterOfIllusion: [[spoiler: Plasma can use light to create perfect illusions and mirages of the surrounding enviroment]].
* MasterSwordsman: Several, including Musashi, Kojiro, Jubei, Yaiba, Onimaru and Soshi Okita. [[spoiler: Kenjuuro too.]]
* MarshmallowHell: During the Yaiba/Shiro transformation duel the latter turned himself into a PlayboyBunny girl. After a beat, [[AttractiveBentGender Yaiba went to her and get this one]].
** Also when he's being healed by Emerald, he starts nosebleeding when he realize that she's holding him against her breasts. Sayaka wasn't amused..
* MeaningfulName: Many: Yaiba Kurogane means "Black Steel Blade". Kenjuuro (his father) means "Ten Swords". Onimaru means, of course, Oni (Ogre or Demon).
** The Moonfolk are named after moon phases and terms (Tsukikage and Gekko, for example, mean Moonbeams and Moonlight).
** Onimaru's demons have these: Rain, Burner, Dark [[spoiler: and Plasma]].
* MiniatureSeniorCitizens: Musashi and Sayaka's Grandmother.
* MisplacedWildlife: .... Gorillas... in Japan?
* MissingMom: Untill the last arc.
* MiyamotoMusashi: a 400 years old Miyamoto Musashi. In one of the filler arcs Yaiba meets Miyamoto in the past. And he was just [[BadAss ''That'' Awesome!]].
* TheMole: [[spoiler: Emerald, sort of]].
* {{Mooks}}: The Black Onis are this.
* MoonRabbit: A whole race of them.
* NiceJobBreakingItHero: In the end, it's all Yaiba's fault if Onimaru decided to turn himself into a Oni.
** Also, by taking the power of Ryujin you may have gained the upper hand against Onimaru, but you have awakened [[EldritchAbomination Princess Kaguya]] from her slumber.
* {{Ninja}}: Kotaro Fuuma, is a BadAss one. Also Goemon, who's more an HighlyVisibleNinja.
* NoblewomansLaugh: Princess Kaguya
* NonHumanSidekick: Kagetora the Tiger and Shonosuke the Vulture. They both served as Yaiba's [[HorseOfADifferentColor mounts]].
* OdaNobunaga: He doesn't appear himself, but he started the eponymous Tournament, a really hard series of battle in differents arena with participants from all over the world. It's also stated that Musashi won the first one.
* OhCrap: Everyone has one [[spoiler: when Kaguya uses FusionDance with Planet Earth.]].
* OldMaster: MiyamotoMusashi
* OminousFloatingCastle: Onimaru's Fortress. Normally it rest on the top of Mount Fuji.
* OneWingedAngel: All the Resurrected Swordsmen, Kaguya.
* OperaGloves: Princess Kaguya
* [[spoiler: {{Orochi}}]]: [[spoiler: and now you know who's the Evil Creature Onimaru wants to unseal]].
* OurVampiresAreDifferent: Bat Guy! A grey WingedHumanoid with sunglasses, RoyalRapier and GratuitousEnglish, and he's also a [[ArsonMurderAndJaywalking fanboy of Musashi]].
** Furthermore when he bites Yaiba he transform into a Werewolf. Even he [[LampshadeHanging doesn't know why]].
** In the Spanish dub he speaks spanish with a thick British accent. And [[HilarityEnsues he's funny as Hell.]].
* OverlyLongTongue: Gerozaemon, who often weaponized it. Also Chameleon Bonaparte. This lead to a epic Tongue duel between the two.
* TheOwlKnowingOne: While looking for the Orb in Biwa Lake, Yaiba ask for help to an Old, large Owl. Who want to get paid for his services.
--> '''Sayaka''':".... not so cute, after all..".
* PaperThinDisguise: A RunningGag in the series. The Spiderman is the greatest offender. Yet, he's always successful.
* PersonOfMassDestruction: Onimaru, Gekko, Jewel, eventually Yaiba. When you are [[http://t3.gstatic.com/images?q=tbn:ANd9GcSq74D1lqPpIq7ZxYrJvWaHBHUoRl0aX9Jf9MI0ju9Hb4zv1yPd&t=1 capable of this, you qualify.]]
* PettingZooPeople: As you could see, there're a lot of animal-people of all kind.
* PlayboyBunny: One of Shiro's Transformations. And Princess Kaguya of course.
* PlayingWithFire: The Fire Orb, and Burner the Fire Demon.
* PintSizedPowerhouse: Yaiba. Small but awfully powerful!
* PrecisionFStrike: Batman said "God Damn" as he's sliced in half by Yaiba's Senpuken (whirlwind sword).
* PrehensileHair: Kaguya's trump card agaisnt Onimaru, and it worked.
* PrettyInMink: Princess Kaguya's bunny suit, [[PimpedOutCape cape]], and gloves are trimmed with white fur.
* PunnyName: Many of them. Often with BilingualBonus
** The main one is Professor Kanabo ("Mano de Hierro" in the Spanish dub), whose name literally means "Iron Club". Kanabo's were said to be Oni's WeaponOfChoice and there are many japanese proverbs about Oni's with Iron Clubs being stronger or even invincible. LampshadeHanging by Spiderman.
--> '''Spiderman''':" As they say, a Oni with a Kanabo becomes even stronger!!"
* QuirkyMinibossSquad: The Hyakki, then the Shitenno, the Moon Generals, the Soldiers and Onimaru's Demons.
* RazorWind: Onimaru's main form of attack, both with Wind and Thunder. [[spoiler: later with the Maoken's Crescent Moon Blast]].
** Also Kotaro's Fuuma Ninpo Kamaitachi, which uses the vacuum to create slicing wind gusts. Or something like that.
* RedBaron: Onimaru eventually call himself "Devil King Onimaru". Also Frederick Luther's, a.k.a the "Black Baron". ([[MadWorld Stop staring!]])
* RedOniBlueOni: Or rather Raijin and Fujin. In any case, Yaiba and Onimaru.
* ResetButton: After Kaguya's and [[spoiler:Orochi]]'s arc everything is back to normal, despite all.
* RivalTurnedEvil: Takeshi Onimaru.
* [[RubberMan Rubber Monster]]: Silver and Gold have super-bouncy (No, [[JigglePhysics not ''that'' kind of bouncy]]) hides that can repeal even the mightiest swordstrikes. They can also strecth their arms. Yet, they seems to be sensitive to heat. [[spoiler: Silver got sliced in half by Gold's superheated sabre and Gold was pierced by Yaiba's super powered Supreme King sword.]].
* RuleOfCool: Seriously, some of the stuff that happens in this manga can be really over-the-top sometimes...
* RuleOfFunny
* ScaryImpracticalArmor: Onimaru sports one, which is not impractical and has a long cloak and Jetpack.
** It is only impractical against heat as the Chiki Chiki Grand Prix Omake shown:
--> (while crossing desert)'''Onimaru''':" Ufff...ufff... is really... hot there..."
--> '''Spiderman''':" If it's so hot... [[LampshadeHanging why don't you just take off that heavy armor?]]
--> '''Onimaru''':" You FOOL! I can't just take off MY armor, The SYMBOL Of EVIL!!!"
** [[spoiler: Hilariously, when Onimaru is fred by the demonic possession, he claims that his armor looks ridicolous]].
* SealedEvilInACan: Onimaru is frozen by Kaguya's Carbon Freeze Cannon. [[spoiler: also Kaguya and Orochi later]].
** Also Gekko, who was imprisoned for trying to [[TheStarscream take over the moon]] in the past and was released to fight Yaiba.
* SealedInsideAPersonShapedCan: Kaguya is locked into the Dragon Prietess's body.
* SecretTestOfCharacter: Yaiba is forced to choose between the last of the Legendary Orbs and saving all of his friends that have been falling in each of the trials. Yaiba chooses the latter, and he earns the Legendary Orb because of this.
* SelfDuplication: Burner can make four clones of himself made out of flames.
* SensibleHeroesSkimpyVillains: Princess Kaguya's outfit compared to the heroes' outfits.
* TheShinsengumi: Soshi Okita, swordmaster and descendant of the real deal.
* ShockAndAwe: The Raijin Orb. Only Yaiba, TheChosenOne can use it safely... oh, Onimaru as well..
* ShouldersOfDoom: Everyone with a cloak.
* ShoutOut: Seen [[http://tvtropes.org/pmwiki/pmwiki.php/ShoutOut/Yaiba here]]
* SimultaneousBladeSpam: The Toujin (Battle Blade) attack can do this, but with etheral blades which distract the opponent.
* SinisterScythe: Basho has a cool scythe. Also Diamond's WeaponOfChoice. Doubles as a EnergyWeapon.
* SlasherSmile: Silver and Gold do this a lot.
* SpikesOfVillainy: Onimaru. Also Dark.
* StockNinjaWeaponry: Kotaro uses a lot of ninja weapons, including a Shinobigatana, kunai, shuriken and even a Kusarigama. Later, Ishikawa Goemon is shown using kunai, smoke bombs and sai.
* SuperIntelligence: Diamond, the Genius Soldier to the point of CombatClairvoyance. Also Sapphire the Skilled Soldier, which can replicate [[MirrorBoss each and every technique as she sees it in action]].
* SuperMode: Yaiba has done this various times.
* SuperStrength: Ruby the Strong Soldier.
* TakenForGranite: Basho uses magical needles that turn people to stone. Apparently, making staues was a Hobby of his...
** Also Onimaru after getting blasted by the Carbon Freeze Cannon.
* TakingTheBullet: [[spoiler: Onimaru to Yaiba of all People!!! Also Emerald.]].
* TakingYouWithMe: All the Pyramid Soldiers explode after being killed. [[spoiler: Later Ryuujin trapped in the Super Delta Zone charges Dark and absorbs him too inside the barrier, which send them both in another dimension]].
* {{Tanuki}}: The guardians of the Golden Orb, who later help Yaiba against Kotaro. They also have [[GagPenis Gag Testicles]].
* TeamPet: the Seacucumberman. yes, he actually exists. And is as lame as it sounds.
* ThatsNoMoon: When Yaiba and Onimaru [[spoiler: see that Kaguya's true head on her "body".]]
* ThemeTuneCameo: Yaiba and the gang sing the end theme while in disguise from Kojiro.
* TigerVersusDragon: During the battle vs Amakusa, Yaiba turns into a little humanoid dragon and Shiro into a huge white tiger.
--> '''Musashi''':" [[LampshadeHanging This is indeed the battle of a Tiger against a Dragon..]]"
--> '''Kojiro''':" I don't think so...".
* TokenGirl: Sayaka. Poor little Sayaka.
* TookALevelInBadAss: Yaiba over time. Onimaru after turning into a Oni. [[spoiler: Sayaka mastering the Water Demon Longsword and containing Kaguya inside her body.]].
* TournamentArc
* UnholyNuke: The Devil King Sword's [[EarthShatteringKaboom Full Moon Blast]], used by Onimaru. Furthermore, all the attacks performed with the Devil King Sword are fueled by the negative feelings of the wielder.
* VerbalTic: Some of Onimaru's minions.
* VillainWithGoodPublicity: The people of Japan don't seem to upset at the idea of having a fiendsih sword-wielding Oni as leader. Granted, he had brainwashed the ministries into submission, but still.
* VoluntaryShapeshifting: The Gold Orb of the {{Tanuki}} Kincho. Also Amakusa, and the Moon Bunnies.
* WaveMotionGun: The Onimaru Cannon. it can shoot rays from Mount Fuji to Osaka!
** [[spoiler: also Kaguya's and Orochi's BreathWeapon]].
* WaxOnWaxOff: Musashi's main method of training include: building a whole wooden hut, doing houseworks, running away from restaurants after eating without paying the bill and going around selling newspapers. The last one while wearing [[UpToEleven ''huge iron getas'']] which leaves deep tracks in concrete...
* WeaksauceWeakness: All the Hakki has at least one: Gerozaemon is scared by snakes, the Snakeman needs his tail to stay balanced. Slugman is shrink by salt, Spiderman is stunned by strong noises, Batman is scorched by sunlight, the Starfishman is withered by fire and the Seacucumberman is.. well.. is just weak.
** Kojiro's sword will instantly grow several yards long if wet by salt water.
** Also Kaguya, who will eventually turn into a old hag and die if she doesn't feed on a young girl.
* WeaponAsFamiliar: during the Pyramid Arc, he's on the receiving end of a Curb-Stomp Battle from Diamond, who can predict and stop all his attacks. In order to turn the table, he let Fujin and Raijin, the demons living in his swords, possess him, so that they can trash Diamond around with their combined powers.
* WellIntentionedExtremist: Boss [[spoiler: mainly becaues HumansAreTheRealMonsters and he want to stop their pollution of Planet Earth.]].
* WhatHappenedToTheMouse: The whereabouts of many secondary characters is unknown. Including Onimaru's Grandfather and sister in the manga, the Mantisman, Hangestu-(in the anime, it's shown he was [[IncrediblyLamePun fired]] by Gekko.
* WhenTreesAttack: The Sugen Pollen Soldier. (Sugen is a sort of Japanese Mapple tree]].
* [[spoiler: WhereAreTheyNowEpilogue: The final chapter with a last twist of open ending.]]
* WoobieDestroyerOfWorlds: Gekko in the Anime, who was mistreated when he was a child because he was the only black moon rabbit.
* WoodenKatanasAreEvenBetter: When arriving at Yoroi Island for the Oda Nobunaga Tournament, Yaiba has the chance of choose a weapon among very famous swords, including the Muramasa and Samonji swords. He keeps his father's Bokken. [[spoiler: Onimaru, who was trained by Kenjuro himself, uses a Bokken too, and can use it to crush whole areas of ground with one blow.]]
* WorfEffect: Many of Yaiba's techniques, including the Kaminarigiri.
* YamatoNadeshiko: Parodied by the beautiful LadyOfWar Nadeshiko Yamato, a Naginata-wielding girl who wants to marry Yaiba at all costs.
* YouHaveFailedMe: Kaguya blasted Mangestu to oblivion after he failed his plan to kill Yaiba.

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