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->''"For as long as any cat can remember, four clans have ruled the forest: [=ThunderClan=], [=ShadowClan=], [=WindClan=] and [=RiverClan=]."''

In this book series, cats run wild in large family groups, fighting each other, falling in love, and worshipping their starry ancestors.

Those of you expecting sweet little stories about cats lazing about licking each other and falling in love are in for quite a shock (although that happens too, of course). The books are quite mature, thanks in part to Creator/ErinHunter's AnyoneCanDie policy, and the series can be [[FamilyUnfriendlyViolence quite]] [[FamilyUnfriendlyDeath graphic]], as the characters face certain death and possible annihilation at least [[OnceAnEpisode once a series, and, early on, usually once a book]]. They also grapple with questions of faith, loyalty, honor, and responsibility on a ''very'' regular basis. These books are about as child-friendly as ''Literature/WatershipDown''.

[[WhatDoYouMeanItsForKids Yet kids are the target audience]].

The story centers on four "Clans" of cats that have lived in a forest and followed the spirits of their warrior ancestors (known as [=StarClan=]) for generations. [=ThunderClan=] (the focal Clan) lives in a forest and stalks their prey while priding themselves on their courage. [=ShadowClan=], masters of stealth and night hunting, live in a marsh and need all their cunning to gather enough food to feed themselves. [=RiverClan=] cats love water and are known for swimming and being brilliant tacticians. [=WindClan=] cats are extremely fast, and they chase down rabbits on the open moorland. Many years have distilled the Clans and made them set in their ways and their prejudices, but new threats to the forest force them to start adapting to change and abandoning their prejudice. The events of the series take place over several generations, and show how the Clans change in those times.

Later books introduce several new groups of characters, such as a group of mercenaries called [=BloodClan=], a fifth Clan named [=SkyClan=] that was driven out of the forest many years ago, a "Tribe" of cats that live in the mountains and worship their own set of ancestors, a pseudo-Clan living in a Twolegplace and facing its own unique problems, a mysterious group of predecessors to the Clans known as the Ancients, and the Dark Forest, the vengeful spirits of cats that believe themselves wronged by the Clans. This series definitely has LoadsAndLoadsOfCharacters.

There are currently six six-book [[MythArc arcs]] available.

The first, called ''[[Literature/WarriorCatsTheOriginalSeries The Prophecies Begin]]'' (originally known simply as ''Warriors'' or ''Warrior Cats'', [[MarketBasedTitle depending on where you live]], until it received a name for a 2015 rerelease of the series) focuses on a house cat named Rusty. Bored with his comfortable and simple life, he ventures out into the forest where he is given the opportunity to join [=ThunderClan=]. However, he must deal with the hardships of the wild alongside the racism of his Clanmates, and he ends up being the ChosenOne.
#''Into the Wild''
#''Fire and Ice''
#''Forest of Secrets''
#''Rising Storm''
#''A Dangerous Path''
#''The Darkest Hour''

The second arc, ''[[Literature/WarriorCatsTheNewProphecy The New Prophecy]]'', stars the next generation of the Clan cats. A group composed of the kits of the previous arc's main characters (plus newcomer Crowfeather) set out on a journey to unravel a mysterious prophecy, forging strong bonds in the process. Meanwhile, calamity strikes in the forest and all four Clans find themselves facing possible destruction.
#''Midnight''
#''Moonrise''
#''Dawn''
#''Starlight''
#''Twilight''
#''Sunset''

The third arc, ''[[Literature/WarriorCatsPowerOfThree Power of Three]]'' is a mostly character driven series. It tells the tale of another new generation of Clan cats, this time burdened with mysterious powers and the secret of an ancient prophecy. It also delves deep into the past, revealing the secrets forgotten by time.
#''The Sight''
#''Dark River''
#''Outcast''
#''Eclipse''
#''Long Shadows''
#''Sunrise''

The fourth arc, ''[[Literature/WarriorCatsOmenOfTheStars Omen Of The Stars]]'', continues to deal with the mysterious prophecy from ''Power of Three''. As the cats struggle to unearth the truth about their purpose, the old foes of the Clans are rising. Strengthened by years worth of animosity, they are preparing to wage an all-out war on the Clans. This arc was intended to serve as a GrandFinale to the modern day series.
#''The Fourth Apprentice''
#''Fading Echoes''
#''Night Whispers''
#''Sign of the Moon''
#''The Forgotten Warrior''
#''The Last Hope''

The fifth arc, ''[[Literature/WarriorCatsDawnOfTheClans Dawn of the Clans]]'', takes place decades before the original series, and focuses on a group of cats that are destined to form the Warrior Clans.
#''The Sun Trail''
#''Thunder Rising''
#''The First Battle''
#''The Blazing Star''
#''A Forest Divided''
#''Path of the Stars''

The sixth arc, ''[[Literature/WarriorCatsAVisionOfShadows A Vision of Shadows]]'', returns to the story of the modern Clans. A [=ThunderClan=] apprentice discovers that it is his destiny to become a medicine cat, but first, he must embark on a journey that will determine the fate of the four Clans from his home, and the lost Clan, [=SkyClan=].
#''The Apprentice's Quest''
#''Thunder and Shadow''
#''Shattered Sky''
#''Darkest Night''
#''River of Fire''

There are also plenty of [[SpinOff spin-off]] titles out and coming soon, such as the extra long Super Editions (extra-long standalone novels), Field Guides (which give additional information on the Clans and also include short stories that involve both the founding of the Clans and some of the modern characters), Manga installments (which generally serve as side stories to the main series), and novellas (which flesh out events that are briefly described in or give backstory to the main series).

Its two sister series, ''[[Literature/SeekerBears Seekers]]'' (a series focusing on a group of bears coming together to fight global warming, and both arcs are completed) and ''Literature/SurvivorDogs'' (a series by a different author/editor team working under the Creator/ErinHunter pen-name, featuring dogs surviving in a post-apocalyptic city, currently on its second arc) are also worth checking out. A fourth series, ''Literature/{{Bravelands}}'', featuring African animals, has been released in mid-2017.

For summaries of each book, see [[Recap/WarriorCats here]]. There's also a [[Characters/WarriorCats thriving character sheet]]. For the ''Warriors'' stories created by the fandom, see [[FanWorks/WarriorCats here]].

As of 2016, Alibaba Pictures has obtained movie rights to the series, with David Heyman named as the producer.

!!Due to the series' spoiler-filled nature, including {{Spoiler Title}}s and even character names, all spoilers aside from the newest main-series book (''Darkest Night'') and side book (''Tigerheart's Shadow'') may be unmarked.
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!!This series provides examples of:
[[index]]
* WarriorCats/Tropes0ToG
* WarriorCats/TropesHToM
* WarriorCats/TropesNToT
* WarriorCats/TropesUToZ
[[/index]]
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