[[quoteright:270:http://static.tvtropes.org/pmwiki/pub/images/KamenRiderBlade.gif]]
[[caption-width-right:270: From right to left: [[TheHero Blade]], [[TheRival Chalice]], [[TheGunslinger Garren]], [[SmugSnake Leangle]]]]

-->''"Now your power is at its peak."''

The 2004-2005 series of ''Franchise/KamenRider'' and the fifth installment in the Heisei Era.

Ten thousand years ago, [[ThereCanBeOnlyOne a massive battle royale]] took place between the immortal Undead monsters, each one representing a species of creature on Earth. The Human Undead was the victor, and as a result the human race was allowed to multiply and populate the Earth as its dominant species. Meanwhile, the losing Undead were [[SealedEvilInACan sealed into cards]] to slumber for eternity.

Fast forward to the present day. The Undead have been released from their confinement and have started a new battle royale for dominance over the Earth. To counteract this, the secret organisation BOARD has created the [[TransformationTrinket Rouse Card System]] and recruited two individuals- [[TheHero Kazuma Kenzaki]] and [[TheLancer Sakuya Tachibana]]- to seal the Undead on behalf of the human race by [[FusionDance merging with Sealed Category Ace Undeads]] to become Kamen Riders. Kenzaki merges with the Sealed Category Ace of Spades to become Kamen Rider Blade, while Tachibana uses the Sealed Category Ace of Diamonds to transform into Kamen Rider Garren.

Unfortunately, BOARD is swiftly destroyed by an Undead attack and Kenzaki finds that Tachibana has apparently [[WasItAllALie betrayed the human race]]. A second opponent is found in [[TheRival Hajime Aikawa]], an [[BewareTheNiceOnes introverted photographer]] who hides a deadly secret: he is actually an Undead who can use the Sealed Category Ace of Hearts card to transform into Kamen Rider Chalice without the use of an external Rouzer device. The quartet of Riders is completed with Mutsuki Kamijo, who is chosen by the Sealed Category Ace of Clubs card to become Kamen Rider Leangle, only to have the evil Spider Undead sealed within [[{{Brainwashed}} slowly take over his mind]] and create a new, deadly enemy.

The show's slogan, "Now your power is at its peak", is a reference to a comment made by one character in regards to titular character Kazuma Kenzaki: that he reaches his maximum potential as Blade when he is fighting to protect others.

Now has a [[Characters/KamenRiderBlade Character Sheet]].

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!!This series contains examples of:

* AGodAmI - Hiroshi Tennōji
* AlienBlood - Undead bleed green.
* AlternateEnding - ''[[TheMovie Missing Ace]]'' serves as an alternate ending to the series were [[spoiler:Blade sealed Hajime.]]
* ArtificialHuman - [[spoiler:Yoshito Hirose]].
* AstonishinglyAppropriateAppearance - the girlfriend of Hajime's IdenticalStranger is the heiress to a ''taiyaki'' or fried-fishcake empire... who has Denise Richards-worthy fishlips.
* BatmanGambit - [[spoiler:Used to defeat the Titan Undead. It'd been impersonating the group the entire time, making them unsure of who they could trust and making it hard to find. Hajime seemed to lose control and assume his Joker form and Kenzaki seemed to be unable to finish him. So the Titan emerged to try and finish the Joker himself, only to be caught by Garren and Leangle. Hajime returns to human form and reveals that was what they were hoping for. He only ''pretended'' to lose control and Kenzaki pretended to be unable to stop him so the Titan, who as an Undead fears the Joker and wants him done away with, would try to finish him itself, walking right into their trap.]]
* BatOutOfHell - Bat Undead/Garren's 8 of Diamonds Scope Bat.
* BearsAreBadNews - Polar Undead/Leangle's 6 of Clubs Blizzard Polar.
* BecomingTheMask - Hajime, who [[spoiler:assumed the appearance of the Human Undead and found himself enjoying his new life]].
* BigBad - [[spoiler: Hiroshi Tennoji. He isn't the final villain, but he was the one who unsealed the Undead and manipulates events from behind the scene the entire series, all in an attempt to become a God and rule the world.]]
** [[spoiler: Junichi Shimura[=/=]Kamen Rider Glaive[=/=]]]Albino Joker in the movie.
* BigDamnVillains - [[spoiler:Tennoji is beaten, but the Riders don't want to kill him, despite him still being a major threat, because he's defenseless at the moment. King of Diamonds is more than happy to do it for them.]]
* BittersweetEnding- Hajime is allowed to live on as a human, but the Sealing Stone still exists which means Kenzaki must keep as far away from Hajime as possible. Might also sort-of qualify as a DownerEnding.
** TheMovie has an even more bittersweet one. [[spoiler:The Albino Joker is killed, but at the cost of Hajime making a HeroicSacrifice.]]
* BlackSpeech - The language of the Undead.
* BookEnds - The decks have these. The King Undeads are all bigger, badder versions of the corresponding Ace. For instance, the ace of clubs is a spider, the king is a tarantula.
* {{Brainwashed}} - Mutsuki, falling under the influence of the Spider Undead.
* CantCatchUp - Kamen Rider Leangle, touted as the 'strongest Rider' early into his debut, lived up to that at first, but became woefully outclassed when the others got their {{Super Mode}}s. He ''tried'' to catch up, but never did. Though it should be noted that he never quite falls so far behind that he's useless, which ironically shows how his Ace Form was indeed the strongest.
* CardBattleGame - Has elements of this: each Undead is sealed into a card that can then be slashed through a Rouzer to activate the card's special powers. Using certain cards in succession would activate a Rider's FinishingMove.
* ChekhovsGun - The password for the BOARD computer, "Double Joker".
* TheChick - Shiori Hirose
* CookingDuel - For a [[JustForPun little added flavour]], this one was takoyaki [[note]]Toasted pastry balls with chunks of octopus[[/note]] vs taiyaki [[note]]Toasted fish-shaped waffles usually with jam[[/note]], scored by customer sales.
* CreationMyth
* DeadlyUpgrade - Blade's King Form. [[spoiler:This is because of a [[DidntThinkThisThrough glaring flaw]] in the overall Rider System: Kenzaki's overly-high fusion ratio caused the Blade System to exceed its perimeters and fuse his DNA with all 13 sealed Undead associated with the suit of Spades, instead of just the Category King. Because of this, extended activity in King Form raises his fusion ratio, which would eventually [[AndThenJohnWasAZombie mutate him into a Joker-type Undead]].]]
** Chalice's Wild Form.
* DeathByOriginStory - The fate of Amane's father could be considered this, since it ties in directly with Hajime's origins. [[spoiler:Double subverted later on when Yoshito Hirose, presumed dead after releasing the Undead in the first place, turns up alive - only for that 'Hirose' to later be revealed to be a Trial monster himself.]]
* DrivenToSuicide - [[spoiler:Hajime attempts to kill himself after he can no longer control himself and prevent him from carrying out the Joker's destiny to destroy the world. But being an immortal Undead, this fails.]]
* ElementalPowers
** Category Six cards
*** AnIcePerson - Leangle's Blizzard Polar.
*** BlowYouAway - Chalice's Tornado Hawk.
*** PlayingWithFire - Garren's Fire Fly.
*** ShockAndAwe - Blade's Thunder Deer.
** Other numbered Rouse Cards
*** GreenThumb - Chalice's Category Seven Bio Plant.
*** PoisonousPerson - Leangle's Category Eight Poison Scorpion.
*** TimeMaster - Blade's Category Ten Time Scarab.
* EmpathicEnvironment - Leangle's first appearence is accompanied by omnious storm clouds that come out of nowhere. No explaination is ever given, but it makes for a great entrence.
** Ditto for the Albino Joker in TheMovie.
* TheEndOfTheWorldAsWeKnowIt - What happens if Joker is the last one standing.
* EvilAlbino - The Albino Joker. He's actually ''even worse'' than the normal Joker.
* EvilCounterpart - Leangle's Rider System was created by Karasuma when he was forced to work with Undeads. Albino Joker works out to be an evil counterpart to the normal Joker Undead--lacking any of Hajime's woobish tendencies.
* EvilFeelsGood - Mutsuki Kamijō
* EvilIsNotAToy - Kerberos kills the scientists involved in its genesis upon creation.
* EverybodyLives - All four Riders and their civilian buddies live [[spoiler:(although Kenzaki is now an Undead and must avoid Hajime at all costs)]].
** It's worth noting that the [=MotWs=] of this season don't really die either. As Undead, the only way to put them down is to seal them into cards - only the Trial Undeads and Roaches can be killed.
* [[ThreateningShark Everything's Worse With Sharks]] - Hammerhead Undead/Chalice's 3 of Hearts Chop Head.
* EverythingsWorseWithBees - Bee Undead/Leangle's 2 of Clubs Stab Bee.
* EvolvingCredits
* {{Expy}} - An in-universe version; the ''Missing Ace'' Riders' powers are modeled on the four from the TV series: Glaive is Blade, Larc is a combination of Garren and Chalice, and Lance is Leangle.
** Also worth noting is two specific Trial Monsters, one modeled after Garren's battle style and another modeled after Leangle's battle style.
* FindingJudas - Tachibana, when he works with Hirose's father to [[spoiler:save Kenzaki from his own King Form]].
* FireIceLightning - Non video game example. Blade is lightning, Garren is Fire, and Leangle is ice. Chalice messes with the formula at times by serving as air/wind.
* FourIsDeath
* FourTemperamentEnsemble
* FrogsAndToads - Frog Undead/Garren's 3 of Diamonds Upper Frog.
* FunWithAcronyms - BOARD stands for the "'''B'''oard '''O'''f '''A'''rchaeological '''R'''esearch '''D'''epartment.
* FusionDance - The Rouse Systems work by merging the user's DNA with that of the Catagory Ace Undead. Though normally the human remains in control. [[spoiler:Leangle has it rough because the Spider Undead was improperly sealed and can control him to some degree.]]
* GoodFeelsGood - [[spoiler: The Tarantula Undead feels this way due to his love for human compassion.]]
* GoOutWithASmile - [[spoiler:According to Hajime's flashback, the Human Undead did this when he willingly allowed himself to be sealed.]]
* GottaCatchEmAll
* HeroicBSOD - Kenzaki briefly goes through a phase of this after Tachibana's apparent betrayal.
** Parodied later on with Kotaro when his date is revealed to be the Orchid Undead. His usually good cooking drops into LethalChef territory, although Tachibana can still eat it [[RuleOfFunny for some reason.]]
** Tachibana is in this from the start of the series due to his fear the Rouse System might kill him.
* HeroicSacrifice - [[spoiler:Kenzaki in the finale, who sacrifices his humanity]].
** [[spoiler:Tarantula Undead to save Mutsuki from being controlled by the Spider Undead. Although it didn't take until MUCH later on when Tiger Undead did the same.]]
** [[spoiler:Hajime in the movie, who switches places with Amane as the Albino Joker's power source so Kenzaki can destroy it and weaken the Albino Joker, killing Hajime in the process.]]
* HumansAreSpecial - Humans have a great deal of traits that the Undead didn't start out with, such as compassion and caring about others. Some Undead who can assume human form [[spoiler:,such as the Tarantula Undead and Hajime]] discover this and perform a HeelFaceTurn as a result of finding they actually like these traits.
* IneffectualLoner - Hajime Aikawa
* JapaneseBeetleBrothers - Blade and Garren are in general Type A, though there are hints of Type B.
* LaserGuidedAmnesia - Hajime at one point, which leads into an encounter with an IdenticalStranger.
* LastNameBasis - Kenzaki, Tachibana, and Hirose are almost never called by their given names.
* LateArrivalSpoiler: Decade and most social websites let you know [[spoiler: that there is a Joker Undead]] let alone who [[spoiler: The Joker Undead]] is.
* LetsYouAndHimFight - [[spoiler: Hiroshi uses his crossbreed Titan Undead to do this with both it's poison and shapeshifting abilities in an attempt to get the Riders to destroy each other. The Riders get wise and set up a ''fake'' battle with Hajime's Joker form in order to lure it out so it can be defeated.]]
* MadScientistsBeautifulDaughter: [[spoiler:Shiori Hirose arguably.]]
* MessiahCreep - Kazuma Kenzaki
* MidSeasonUpgrade - Jack Form
* TheMonolith - A twisty version acts as the Undeads' Battle Royale judge.
* MoralityPet - Amane Kurihara to Hajime Aikawa, Sayoko Fukasawa to Sakuya Tachibana. Mutsuki's girlfriend Nozomi also qualifies.
* MultiformBalance - With the exception of Leangle, all of the Riders have at least two forms.
** JackOfAllStats: Blade, Garren and Chalice's Ace Form.
** LightningBruiser: Leangle's Ace Form
** GlassCannon: Blade and Garren's Jack Forms. [[note]]The latter's also counts as his SuperMode.[[/note]]
** SuperMode: Blade's King Form and Chalice's Wild Form.
* MythologyGag - Sakuya Tachibana (Kamen Rider Garren) shares his surname with the original Kamen Riders' mentor, Tobei Tachibana, alluding to his role as the most senior Rider in this season.
** The red scarf from the Blade Vs Blade video, which nobody but the audience can see.
** And Sakuya's former colleague Kiryu had an accident in which one of his arms had to be replaced with a mechanical appendage. Kiryu later retrofits it to release lethal electric currents, thereby referencing both Riderman and Stronger.
** Instead of a spider monster in the first episode, we have a spider monster as a recurring villain of sorts, slowly turning Mutsuki evil despite being sealed in card form.
** Hajime's IdenticalStranger steps into the CookingDuel with a ridiculous suit of armor, which he calls his Ultimate Form: a term that originated in ''Series/KamenRiderKuuga'', referring to the lead Rider of each season's final SuperMode. Not to mention that the armor was mostly black and gold just as Kuuga Ultimate Form was.
*** Also from Kuuga: the Undeads' belt buckles cracking open upon defeat happened to the Grongi as well (but are a valid plot device this time.)
** The story parallels ''Series/KamenRiderRyuki'' in several ways - ignoring the obvious use of cards, Riders in Ryuki and Undeads in Blade must fight and kill each other until one is left, and the last few episodes see the world swarmed with thousands of bug monsters for related reasons.
** In fact, not only have we seen cards as powerup devices combined with a ThereCanBeOnlyOne plot before, [[KamenRiderDecade we'll see it again]].
* NiceHat - Part of Mutsuki's SmugSnake wardrobe, hinted at early on in the opening credits.
* NiceJobFixingItVillain - Nice job [[spoiler:killing Tachibana's girlfriend and freeing him of the fear that was crippling him in battle Isaka.]]
* TheObiWan: Noboru Shima
* OhCrap - The first time Kenzaki fights a "Trial" (artificial creatures created from hybrids of human and Undead DNA), he fells it with the Lightning Sonic. As usual, he throws a Blank to attempt to seal it... the Blank is ''absorbed'' instead.
** The first time Leangle uses his 'Remote' ability on other Rider's cards.
* OneWingedAngel - The Albino Joker's final form in TheMovie.
** [[spoiler:Tennōji after fusing with Kerberos. ]]
* TheOnlyOne: [[HeroesRUs BOARD]] gets ransacked in the first episode. We start the series with two members (one being our hero) and a mysterious, unaligned Rider who considers ''everyone'' his enemy as the only good guys who are alive and free, and a ''lot'' of questions as to what is really going on that they have to solve on their own. At least they got to salvage some of the lab equipment (most notably their monster detector.)
* OutsideContextVillain - The Albino Joker in TheMovie. Having sealed every Undead already with there being no indication of there being another one, he comes out of nowhere and what really throws them off is how intelligent he is compared to the normal Joker, who in his natural state is a raging beast. By the time they figure that out, [[spoiler:he's already played them like fiddles and gotten what he wants.]]
* PantheraAwesome: Lion Undead/Blade's 3 of Spades Beat Lion, Jaguar Undead/Blade's 9 of Spades Mach Jaguar and Tiger Undead/Leangle's Queen of Clubs Absorb Tiger.
* PlayingCardMotifs: The main characters all correspond to a suit. The MonsterOfTheWeek also corresponds to a card.
* PowerGivesYouWings - Blade's and Garren's Jack Forms.
* PrimalFear - Tachibana's fear of his body degenerating due to prolonged use of the Rouze System. [[spoiler:Turns out it was all in his head]].
** [[spoiler: Something of a ChekhovsBoomerang given later everyone learned of the nature of the Rouzers and King form later in the series [[AndThenJohnWasAZombie turning users into Undead]].]]
* RedOniBlueOni: Kenzaki and Tachibana.
* RhinoRampage - Rhinoceros Undead/Leangle's 4 of Clubs Rush Rhinoceros.
* RuleOfFunny - Tachibana and Mutsuki whipping out their Rouzers untransformed in Blade Vs Blade (followed by shooting Kazuma in the butt and whopping him on the head respectively). Shiori Hirose can lift heavy objects with one hand. Clearly there is only one reason.
* ScaryScorpions- Scorpion Undead/Leangle's 8 of Clubs Poison Scorpion, again.
* SealedEvilInACan - Joker, who is sealed by [[spoiler:Hajime's Sealed Category Ace of Hearts and the Sealed Category Two of Hearts/Human Undead]]. Later is unsealed due to [[spoiler:Blade's King Form]] and then resealed by [[spoiler:Using the Category King of Hearts to enable Chalice's Wild Form]]
* ShootTheDog - Tachibana attempts to [[spoiler:kill Hajime]] to save the world from being overrun with monstrous roaches.
* SmokeOut - Squid Undead/Leangle's 9 of Clubs Smog Squid.
* SmugSnake - The evil version of Mutsuki Kamijo.
* SuperSpeed - Jaguar Undead/Blade's 9 of Spades Mach Jaguar.
* SuperpoweredEvilSide - [[spoiler:Hajime has one in his true form: Joker]].
* SwappedRoles - [[TheStoic Hajime]] and his takoyaki-making {{Doppelganger}}. HilarityEnsues.
* TakeAThirdOption - In the finale, [[spoiler:Kenzaki stops TheEndOfTheWorldAsWeKnowIt ''and'' spares Hajime by turning himself into an Undead- thereby restarting the battle royale- then fixing it so that there will never be a winner]].
* ThemeNaming - The Riders are all named after the suits of the Minor Arcana, and their given names all contain some reference to being first.
** "Blade" references the suit of swords, and the "Kazu" in "Kazuma" means "one".
** "Garren" is a corruption of "galleon" (a kind of coin), referencing the suit of coins, and the "Saku" in "Sakuya" means the first day of the lunar month.
** "Chalice" references the suit of cups, and "Hajime" means "beginning".
** "Leangle" is a corruption of "liangle" (a type of polearm), referencing the suit of wands, and "Mutsuki" means the first month of the lunar calendar.
* ThisIsADrill - Shell Undead/Chalice's 5 of Hearts Drill Shell.
* TomatoInTheMirror: [[spoiler:Hirose Yoshito again.]]
* [[TrademarkFavoriteFood Trademark Favorite Drink]] - Kotaro orders milk by the crates.
* TurtlePower - Tortoise Undead/Garren's 7 of Diamonds Rock Tortoise.
* WeaponOfChoice
** CoolSword - Kazuma/Blade, Junichi/Glaive
** {{Handguns}} - Sakuya/Garren
** BladeOnAStick - Mutsuki/Leangle, Shin/Lance
** TheStraightAndArrowPath - Hajime/Chalice (longbow), Natsumi/Larc (crossbow)
** SinisterScythe / DualWielding - Hajime/Chalice again (Wild Form's bow can be split into two kama)
** {{BFS}} - Kazuma/Blade again in [[spoiler:King Form]]
* WhatMeasureIsANonHuman - As TheLancer, Tachibana has no problems with fighting the Undead Hajime. As AllLovingHero, Kenzaki begs to differ.
* WhereAreTheyNowEpilogue
* YouLookFamiliar - Yuki Kurota (Junichi/Glaive in TheMovie) makes a cameo in the penultimate episode of the TV series as a police officer whose life is saved by Blade.
* YouHaveOutlivedYourUsefulness - [[spoiler:[[BigBad Tennoji]] loves to do this. First to the Riders when they're not of use anymore, and then to the scientists that helped him create the Kerberos.]]
** [[spoiler:The Albino Joker kills off the two other movie Riders once he's done using them as {{Unwitting Pawn}}s.]]

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