Onix (Pokémon)

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Onix (Japanese: イワーク Iwark) is a dual-type introduced in Generation I.
It evolves into when traded while holding a Metal Coat.
(Specifics may differ in past games. Refer to Game data→Evolution data for more details).
==Biology==
Onix is a composed of a giant chain of gray boulders that become smaller towards the tail. Its length makes it the tallest Pokémon. It has black eyes and a rounded snout. On top of its head is a rocky spine. As it grows older, it becomes more rounded and smoother, eventually becoming similar to black diamonds. Inside its brain is a magnet that serves as an internal compass, guiding Onix wherever they need to go and prevents them from getting lost while digging.
Onix tunnels under the ground at over 50 miles (80 kilometers) per hour, which causes tremors and a terrifying roar that echoes a long way. Hard objects encountered while tunneling are absorbed into its body, which makes it very sturdy. It also consumes the boulders for food. The massive, winding tunnels it leaves behind are used as homes by . As seen in the Pokémon Stadium series, Onix is capable of rotating its head, or any part of its body, in a full 360 degrees. It is a very aggressive Pokémon that will constantly attack humans and other Pokémon when in pain, as seen in the Pokémon the Series episode To Master the Onixpected!. As seen in the Pokémon Adventures manga, Onix can be separated from its body segments in battle and be fine later on, either regenerating or reattaching to its body segments.Seen in the chapters PS005, PS033, and PS041. It is said that an Onix that lives for about 100 years will evolve into a after its composition becomes more diamond-like. It can be found in mountains and . As mentioned in , Onix is known on occasion to sleep while in the middle of digging through tunnels.Sleep Style DexOnix is believed to be a deep sleeper due to the protection offered by its sturdy body. 
===Evolution===
Onix evolves into .
(For specifics on this Pokémon's Evolution in the games, refer to Game data→Evolution data.)
==Game data==
===Pokédex entries===
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===Game locations===
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====In side games====
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====In events====
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=====Wild Area News=====
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===Held items===
Pokémon caught in Generation I must be traded to a Generation II game in order for a held item to appear.
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===Stats===
====Base stats====
====Pokéathlon stats====
===Type effectiveness===
===Learnset===
Onix is available in , , and Pokémon Legends: Arceus.
====By leveling up====
====By TM/TR====
====By ====
====By tutoring====
====By transfer from another generation====
====Animated series-only moves====
Move	Type	Episode
 	 	Fight for the Light!
===Side game data===
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===Evolution data===
Onix evolves into when traded while holding a Metal Coat. Onix cannot evolve into Steelix in before the player obtains the National Pokédex, as its evolution will be interrupted. Onix also cannot evolve into Steelix in , as Steelix is not present in those games. In , Onix evolves into Steelix when exposed to a Metal Coat. 
===Sprites===
====Other sprites====
 	
Flex in	Gem in
==In animation==
===Main series===
====Major appearances====
=====Brock's Onix=====
Starting in Showdown in Pewter City, used an Onix in his s in Kanto and Johto before giving it to his little brother, Forrest, for him to in A Family That Battles Together Stays Together!. At some point before Grating Spaces!, it evolved into a .
=====Bruno's Onix=====
In To Master the Onixpected, and encountered a Onix. It was on a rampage until Bruno managed to pull a out from two of its boulders. Bruno captured the Onix afterwards.
=====Crystal Onix=====
The Crystal Onix featured a special Onix whose body is made out of glass crystal. Ash and his friends helped a glass sculptor named search for it because Mateo believed it would help inspire him to be better at his craft.
=====Other=====
Onix debuted in Pokémon - I Choose You!, where it was used as the next Pokémon that a chose after his opponent's put their to with .
In Hello, Pummelo!, used an Onix in the second round in the Orange League championship match against . It battled and was defeated.
In Tunnel Vision, multiple Onix were living in Onix Tunnel. They attacked anyone who attempted to pass through it. They were temporarily put to sleep by 's ing, but were eventually awakened by .
In Fight for the Light, Janina coated her Onix in wax for protection against attacks.
An Onix, dubbed "King Onix", appeared in Hooked on Onix. Team Rocket tricked King Onix into thinking Ash and were going to destroy his kingdom. When Ash managed to convince King Onix that he and his friends weren't bad by defeating it in a battle, Team Rocket tried to steal the royal Rock Snake Pokémon, but their plan was foiled, as usual.
In Shapes of Things to Come, Roark used an Onix during his Gym against Paul. It went up against his before being defeated by . In A Gruff Act to Follow!, it battled and defeated his and . In O'er the Rampardos we Watched!, during Ash's rematch with Roark, Pikachu was able to defeat Onix.
In A Maze-ing Race!, an Onix rampaged around until it was forced to retreat.
In Expedition to Onix Island!, multiple Onix, including a one, lived on a . Ash and his friends went there to see the Shiny Onix.
In Breaking Titles at the Chateau!, Grant used an Onix at the Battle Chateau in a battle against Viola's , which Onix won. In Climbing the Walls!, Onix battled during a Gym battle against Ash and was defeated.
In Caring for a Mystery!, an Onix battled a wild after it accidentally climbed up on it. Ash later showed up with his and helped save Riolu from Onix. After that, Ash and Riolu battled Onix until it fled. It reappeared in a flashback in An Adventure of Mega Proportions!.
====Minor appearances====
An Onix appeared in a fantasy in Dig Those Diglett!.
In Mewtwo Strikes Back and Mewtwo Strikes Back—Evolution, a Trainer's Onix was defeated by while it was serving at the Viridian Gym.
In Showdown at the Po-ké Corral, multiple Onix were living at Professor Oak's Laboratory.
In The Joy of Pokémon, a Trainer's Onix was treated by the Nurse Joy of an .
In Meowth Rules!, the Golden Island villagers had an Onix.
In The Power of One, multiple Onix sensed the disturbance caused by Lawrence III.
An Onix appeared in a fantasy in The Rivalry Revival.
In The Fortune Hunters, an Onix was depicted in the Fortune Teller book.
An Onix appeared in a fantasy in Type Casting.
In Beauty and the Breeder, a 's Onix participated in the Pokémon Beauty Contest.
Two Onix appeared in Celebi: The Voice of the Forest. One was under the ownership of a Trainer, while the other appeared during the movie's intro, which was reused for Pokémon Heroes: Latios & Latias.
In a flashback in Throwing in the Noctowl, an Onix was defeated by Wings Alexander's then-.
An Onix appeared in the opening sequence of Destiny Deoxys.
In Lucario and the Mystery of Mew, multiple Onix were part of the feuding armies that were eventually placated by Sir Aaron in the past.
In All That Glitters is Not Golden!, an Onix evolved into a in a fantasy.
An Onix appeared in Pokémon Mystery Dungeon: Explorers of Sky - Beyond Time & Darkness.
In One Team, Two Team, Red Team, Blue Team!, Brock used an Onix provided by the Pokémon Summer Academy for the first leg of the Pokémon Triathlon.
An Onix appeared in Steeling Peace of Mind!.
An Onix appeared in Promoting Healthy Tangrowth!.
In A Rivalry to Gible On!, an Onix lived on Mt. Shady.
In Bucking the Treasure Trend!, an Onix attacked .
An Onix appeared in the opening sequence of Zoroark: Master of Illusions.
An Onix appeared in A Pokévision of Things to Come!.
An Onix appeared in Summer of Discovery! on a Pokévision video icon.
An Onix appeared in Volcanion and the Mechanical Marvel.
An Onix appeared in I Choose You!.
In Alola, Kanto!, an Onix chased , , , and at Professor Oak's Laboratory after being disturbed by Kiawe's Marowak.
In Raid Battle in The Ruins!, a Shiny Onix was part of Shane Seeker's Shiny Pokémon collection, as shown in his Pokédex.
An Onix appeared in a fantasy in A Chilling Curse!. However, this fantasy was removed in the dub, as it was used as part of an untranslatable Japanese wordplay.
In Advice to Goh!, Goh attempted to catch an Onix, but failed. The Onix was then quickly driven away by Gary's Blastoise, before it could attack Goh.
An Onix appeared in This Could be the Start of Something Big!.
An Onix appeared in Distant Blue Sky!.
Three Onix appeared in The Pendant That Starts It All (Part One).
An Onix appeared in As Long as I'm with My Friends.
====Pokédex entries====
===Pokémon Origins===
====Brock's Onix====
In File 1: Red, challenged Brock's Onix after defeating his . It took out most of Red's team but lost to his .
====Bruno's Onix====
In File 4: Charizard, Red challenged another Onix belonging to Bruno at the Pokémon League. He battled it with and won.
===Pokémon Masters Animated Trailer===
====Brock's Onix====
In the Pokémon Masters Animated Trailer, 's Onix accompanied him, Scottie, and on a across Pasio.
===GOTCHA!===
====Brock's Onix====
An Onix briefly appeared in GOTCHA!, under the ownership of Brock.
===Pokémon Evolutions===
In The Show, an Onix briefly appeared under the ownership of a in Ecruteak City.
==In the manga==
===Ash & Pikachu===
Brock has an Onix in Ash & Pikachu.
===The Electric Tale of Pikachu===
Brock has an Onix in The Electric Tale of Pikachu.
===Magical Pokémon Journey===
An Onix appeared in Adventuring the Stone. It returned in The Unbearable Suspense of Hide-and-Seek! as the rumored "monster" of the caves.
===Pokémon Journeys===
An Onix appeared in Caring for a Mystery!.
===Pocket Monsters Diamond & Pearl===
An Onix appeared in PDP12.
===Pocket Monsters HeartGold & SoulSilver Go! Go! Pokéathlon===
Takashi owns an Onix in Pocket Monsters HeartGold & SoulSilver Go! Go! Pokéathlon.
===Pocket Monsters HGSS Jō's Big Adventure===
Brock's Onix only appeared as a silhouette in JBA5 along with its Trainer and the other Kanto Gym Leaders.
===Pocket Monsters Platinum: Aim to Be Battle King!!===
An Onix appeared in PBK1.
An Onix appeared in PBK2.
===Pokémon Adventures===
Onix debuted in Onix is On! as Brock's main Pokémon, but a picture of it was shown on a leaflet in Wanted: Pikachu!. Onix later continued to make appearances with Brock in various volumes onward.
An Onix appeared as a silhouette when talks about in The Jynx Jinx.
Bruno battled a Onix in Ponyta Tale with his Hitmonlee.
Bruno owns an Onix, which first appeared in Punching Poliwrath. He battled Bill, Lt. Surge, and with it on Cerise Island. Onix later managed to carry Bruno and Koga off the collapsing island.
An Onix appeared in Can You Diglett? in a fantasy when Agatha and Lorelei explained to Red about how Pokémon and people cannot coexist with each other.
A Onix was seen on Cerise Island in Make Way for Magikarp.
An Onix appeared in The Last Battle XIII as one of the Pokémon sent to participate in the fight in Ilex Forest.
Roark has an Onix, which he used during 's Gym in A Conk on Cranidos's Cranium.
A 's Onix appeared in Clobbering Claydol.
An Onix appeared in Weavile Wobbles But It Won't Fall Down, under the ownership of a at the .
A wild Onix appeared in the Wild Area in Zap!! A Rising Beam of Light.
====Pokédex entries====
===Pokémon Diamond and Pearl Adventure!===
An Onix appeared in In Search of the Legendary Pokémon Dialga!!, where it started rampaging and had to be battled by Hareta's Piplup and Mitsumi's . Onix reappeared in a flashback in Hareta's Very First Pokémon Battle!!.
Hareta an Onix on Iron Island in Serious Training on Iron Island!!.
Byron has an Onix, which was used as an obstacle in a challenge in Challenge! The Fortress Of Steel!!.
An Onix was one of the Pokémon Charon conditioned into a fighting machine in Charon Must Be Stopped!.
===Pokémon: Yeah! I Got Pokémon!===
An Onix appeared in The Challenge at Celadon University!.
An Onix appeared in GDZ46, under the ownership of Shu's mother.
An Onix appeared in GDZ51.
===Pokémon Pocket Monsters===
Brock owns an Onix, which debuted in Bring Down the Powerful Opponent Onix!!.
An Onix appeared in The Legendary Pokémon Appears!!.
An Onix appeared in Aim to be the No. 1 Pokémon!.
An Onix appeared in Good Luck at the Big Pokémon Athletic Meet!.
An Onix appeared in Fierce Competition at the Pokémon Baseball Tournament!, where it was one of the Pokémon that took part in a baseball match.
 sent out his Onix to prevent from interfering with his plans on creating in Bring Down the Strongest Pokémon!!. It reappeared in Good-Bye, Pikachu?!.
An Onix appeared in Curry Showdown! Which is the Most Delicious? as one of the participants of a curry cooking competition.
An Onix appeared in Seize the Dream of One Million Yen!!.
's Onix first appeared in Red VS Green?!.
Bruno owns two Onix, both of whom debuted in Clefairy's Under Training!!.
An Onix appeared in I Want to Become Popular!!, under the ownership of a boy.
 owns an Onix, which debuted in Save the Pokémon Zoo!!.
===Pokémon Zensho===
An Onix appeared in PZ02, under the ownership of Brock.
==In the TCG==
==Other appearances==
===Super Smash Bros.===
Onix can be summoned via . Once thrown, it flies up into the sky and uses on the player's opponents. This will hit everyone on the field except if he uses his down special move.
===Super Smash Bros. Melee===
In the Poké Floats stage, Onix is the second Poké Float to appear. It provides a horizontally flat area all the time it is on-screen, though it becomes diagonal as it leaves the screen.
==Trivia==
* Onix is the heaviest and tallest unevolved .
* Onix is the only unevolved Pokémon that is used in the Pokémon World Tournament by s beyond the right attendant, being used in all of Brock's teams.
* The Onix line is the only multi-stage evolutionary line which can be completely acquired with in-game trades. However, this is only possible in , in which the player can trade for Onix in Violet City, and any Pokémon for Steelix in Olivine City.
* The Lagging Tail held item resembles the end of Onix's tail.
* Onix is the only Gigantic Pokémon that can evolve.
* Onix has the highest base stat of all Pokémon that can still evolve.
===Origin===
Onix's design may be a visual pun on a or an . Its great size could have been inspired by the , an earthworm-like creature noted for its colossal length (compared to regular worms) of up to . The Onix lifestyle, living underground and ingesting massive amounts of soil while tunneling, is much closer to the earthworm lifestyle than the snake lifestyle. Earthworms eat soil and digest the organic material it contains (plant matter, living protozoa, rotifers, nematodes, bacteria, fungi, and other microorganisms).
====Name origin====
Onix may be derived from (a mineral).
Iwark may be a combination of 岩 iwa (rock) and either ブルワーク bulwark or スネーク snake.
==In other languages==
==See also==
* Brock's Onix
* Bruno's Onix
* Crystal Onix
* Jasmine's Onix
==References==
==External links==
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Category:Pokémon with cross-generational Evolutions
Category:Pokémon that evolve through trading
Category:Pokémon that evolve through held items
Category:Pokémon that evolve by trading with a held item
Category:Pokémon that evolve by trading holding Metal Coat
Category:Pokémon that lose a type upon evolving
Category:Pokémon that are included in the Japan-only Pokémon Stadium
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