HM

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Reason: restrictions on trading Pokémon that know HM moves.

HM moves, like Fly, have effects outside of battle
HM artwork for Pokémon Red and Green

A Hidden Machine (Japanese: ひでんマシン Secret Machine), HM for short, is an item that, like a TM, is used to teach a Pokémon a move. HMs can be used an unlimited number of times and cannot be disposed of. Moves taught by HMs cannot normally be forgotten.

HMs are not present in Pokémon Sun and Moon, having been replaced by the Poké Ride feature for field navigation. Three of the HMs were changed into TMs while other HM moves can be taught through other methods.

Mechanics

HMs can be used any number of times, and cannot be tossed or sold. This contrasts to TMs in Generations I to IV, in which TMs are single-use items that can be tossed and sold.

Moves taught by HMs are all field moves in the games in which they are HMs, but some field moves are not HM moves. Like all field moves, they can be used outside of battle even if the Pokémon has fainted or no PP in that move (using it in the field does not consume PP). Except for Generation V, specific Badges must be obtained by the player before they can use an HM move outside of battle to advance the game's storyline.

HM moves cannot be forgotten by Pokémon under normal circumstances in the games in which they are HMs, even if they are not learned via HM. They can be deleted by the Move Deleter, although Surf cannot be deleted in Pokémon Emerald if the Pokémon is the only one in the player's party or PC that knows the move. If a Pokémon learns a new move while in Pokémon Day Care, an HM move can be replaced if it is at the top of the list; however, in Generation I the Pokémon Day Care will not accept Pokémon that know HM moves.

A Pokémon knowing an HM move cannot be sent forward from Generation III to Generation IV or from Generation IV to Generation V unless the HM move is removed (via Move Deleter). Dive prevents sending forward from Pokémon FireRed and LeafGreen despite not being considered an HM by those games, while Defog and Whirlpool only prevent Pokémon being sent forward from the games they are an HM in. Pokémon with Whirlpool can freely be sent into Pokémon HeartGold and SoulSilver from Generation III, while Pokémon with Dive can freely be sent into Generation V games. Unlike in previous inter-generational transfers, Pokémon sent from Generation I or V to Poké Transporter that know HM moves do not require these moves to be deleted. Pokémon that know HM moves can also be freely deposited and withdrawn from Pokémon Bank.

In Generation V, Pokémon knowing an HM move cannot be traded via infrared communications if they are in the player's party, to prevent a player from potentially becoming stuck somewhere that requires an HM move to escape.

In Generation III and IV, if the player attempts to release a Pokémon that is the only Pokémon in their party or PC that knows a certain HM move, it will immediately return. In Generation III, these moves are Surf and Dive. In Generation IV, they are Surf, Waterfall, and Rock Climb, as well as Fly in HeartGold and SoulSilver.

HMs by generation

Generation I

In Generation I, five of the 165 moves are HM moves, of which three (Cut, Surf, and Strength) are required for completing the game. Of these five, four of them remain as HM moves even through Generation VI, while the fifth, Flash, retains the ability to be used outside of battle (to light dark caves in Generation V, or reduce encounters with wild Pokémon in Generation VI).

HM Move Location found Badge required
HM Normal
HM01
Cut S.S. Anne Cascade Badge.png Cascade Badge
HM Flying
HM02
Fly Route 16 Thunder Badge.png Thunder Badge
HM Water
HM03
Surf Safari Zone Soul Badge.png Soul Badge
HM Normal
HM04
Strength Fuchsia City Rainbow Badge.png Rainbow Badge
HM Normal
HM05
Flash Route 2 Boulder Badge.png Boulder Badge

None of these moves are able to be forgotten in Generation I, and a Pokémon with these moves cannot be raised by the Pokémon Day Care on Route 5. Unlike in later generations, all of these moves must be selected from the Pokémon screen to be used.

Generation II

In Generation II two new moves become HMs. The five HMs from Generation I return, while a new move, Whirlpool, becomes an HM, and an old move, Waterfall, becomes another HM.

HM Move Location found Badge required
HM Normal
HM01
Cut Ilex Forest Hive Badge.png Hive Badge
HM Flying
HM02
Fly Cianwood City Storm Badge.png Storm Badge
HM Water
HM03
Surf Ecruteak City Fog Badge.png Fog Badge
HM Normal
HM04
Strength Olivine City Plain Badge.png Plain Badge
HM Normal
HM05
Flash Sprout Tower Zephyr Badge.png Zephyr Badge
HM Water
HM06
Whirlpool Rocket Hideout Glacier Badge.png Glacier Badge
HM Water
HM07
Waterfall Ice Path Rising Badge.png Rising Badge

A Move Deleter was added to the games, mostly with the intention of making possible the ability to delete Generation II moves that a Generation I Pokémon had learned in order to be able to trade it back, though with the side effect of HM moves now being able to be forgotten.

From this generation on, Pokémon with HM moves are allowed in the Day Care, and fathers with HM moves will pass the moves down to their children as they would a TM move. HM moves can also be used just by checking the obstacle that the HM will clear, such as surfable water or a movable rock.

Generation III

Hoenn

In Hoenn one of the Generation II HMs lost its status, while another two moves became HMs, raising the number of HMs to eight.

HM Move Location found Badge required
HM Normal
HM01
Cut Rustboro City Stone Badge.png Stone Badge
HM Flying
HM02
Fly Route 119 Feather Badge.png Feather Badge
HM Water
HM03
Surf Petalburg City Balance Badge.png Balance Badge
HM Normal
HM04
Strength Rusturf Tunnel Heat Badge.png Heat Badge
HM Normal
HM05
Flash Granite Cave Knuckle Badge.png Knuckle Badge
HM Fighting
HM06
Rock Smash Mauville City Dynamo Badge.png Dynamo Badge
HM Water
HM07
Waterfall Cave of OriginRS Rain Badge.png Rain Badge
Sootopolis CityE
HM Water
HM08
Dive Mossdeep City Mind Badge.png Mind Badge

Kanto

In Kanto, due to a lack of use for Dive, HM08 is unobtainable and can only be accessed through cheating. The first five HMs can be acquired through the same methods as in Generation I, while HM06 and HM07 can be found in the Sevii Islands later in the game.

HM Move Location found Badge required
HM Normal
HM01
Cut S.S. Anne Cascade Badge.png Cascade Badge
HM Flying
HM02
Fly Route 16 Thunder Badge.png Thunder Badge
HM Water
HM03
Surf Safari Zone Soul Badge.png Soul Badge
HM Normal
HM04
Strength Fuchsia City Rainbow Badge.png Rainbow Badge
HM Normal
HM05
Flash Route 2 Boulder Badge.png Boulder Badge
HM Fighting
HM06
Rock Smash Ember Spa Marsh Badge.png Marsh Badge
HM Water
HM07
Waterfall Icefall Cave Volcano Badge.png Volcano Badge

Generation IV

Sinnoh

In Sinnoh, for the first time, one of the original HMs lost its status to a new move, while HM08 was brought back as a different move.

HM Move Location found Badge required
HM Normal
HM01
Cut Eterna City Forest Badge.png Forest Badge
HM Flying
HM02
Fly Veilstone City Cobble Badge.png Cobble Badge
HM Water
HM03
Surf Celestic Town Relic Badge.png Relic BadgeDP
Fen Badge.png Fen BadgePt
HM Normal
HM04
Strength Lost TowerDP Mine Badge.png Mine Badge
Iron IslandPt
HM Flying
HM05
Defog Great MarshDP Fen Badge.png Fen BadgeDP
Solaceon RuinsPt Relic Badge.png Relic BadgePt
HM Fighting
HM06
Rock Smash Oreburgh Gate Coal Badge.png Coal Badge
HM Water
HM07
Waterfall Sunyshore City Beacon Badge.png Beacon Badge
HM Normal
HM08
Rock Climb Route 217 Icicle Badge.png Icicle Badge

Johto and Kanto

Defog lost its HM status in Johto for the return of Whirlpool; all other HMs retained their status from the prior Sinnoh games.

HM Move Location found Badge required
HM Normal
HM01
Cut Ilex Forest Hive Badge.png Hive Badge
HM Flying
HM02
Fly Cianwood City Storm Badge.png Storm Badge
HM Water
HM03
Surf Ecruteak City Fog Badge.png Fog Badge
HM Normal
HM04
Strength Route 42 Plain Badge.png Plain Badge
HM Water
HM05
Whirlpool Team Rocket HQ Glacier Badge.png Glacier Badge
HM Fighting
HM06
Rock Smash Route 36 Zephyr Badge.png Zephyr Badge
HM Water
HM07
Waterfall Ice Path Rising Badge.png Rising Badge
HM Normal
HM08
Rock Climb Pallet Town Earth Badge.png Earth Badge

Generation V

HMs were reduced to six in Generation V; HM07 and HM08 no longer exist in the coding of Pokémon Black and White. Dive returns for use in Unova. This generation marks the first time that HM moves do not require Gym Badges for use outside of battle. Although most HM moves cannot be obtained before earning certain Gym Badges, if the player obtains a Pokémon that has learned an HM move through other means (via level-up, trading, etc.) the player will be able to use the HM in the field without restrictions.

When a move is replaced by an HM, the HM move takes on the current PP of the replaced move until healed or replenished. The same also applies for replacing old moves with TMs.

HM Move Location found
HM Normal
HM01
Cut Striaton CityBW

Virbank City B2W2

HM Flying
HM02
Fly Driftveil City BW

Route 5 B2W2

HM Water
HM03
Surf Twist Mountain BW

Route 6 B2W2

HM Normal
HM04
Strength Nimbasa City BW

Castelia Sewers B2W2

HM Water
HM05
Waterfall Route 18BW

Victory RoadB2W2

HM Water
HM06
Dive Undella Town

Generation VI

HMs have returned to requiring a Badge to use them.

When a move is replaced by an HM, the HM move takes on the current PP of the replaced move until healed or replenished. The same also applies for replacing old moves with TMs.

Kalos

HMs were reduced to five in Kalos like in Generation l, with HM06 being removed. The HMs are the same as Generation V.

Though Rock Smash is not an HM, it can still be used outside of battle, unlike in Generation V.

HM Move Location found Badge required
HM Normal VI
HM01
Cut Parfum Palace Bug Badge.png Bug Badge
HM Flying VI
HM02
Fly Coumarine City Plant Badge.png Plant Badge
HM Water VI
HM03
Surf Shalour City Rumble Badge.png Rumble Badge
HM Normal VI
HM04
Strength Cyllage City Cliff Badge.png Cliff Badge
HM Water VI
HM05
Waterfall Route 19 Iceberg Badge.png Iceberg Badge

Hoenn

HMs were increased to seven in Hoenn. Rock Smash and Dive regained their HM status.

HM Move Location found Badge required
HM Normal VI
HM01
Cut Rustboro City Stone Badge.png Stone Badge
HM Flying VI
HM02
Fly Route 119 Feather Badge.png Feather Badge
HM Water VI
HM03
Surf Petalburg City Balance Badge.png Balance Badge
HM Normal VI
HM04
Strength Route 112 Heat Badge.png Heat Badge
HM Water VI
HM05
Waterfall Sootopolis Gym Rain Badge.png Rain Badge
HM Fighting VI
HM06
Rock Smash Mauville City Dynamo Badge.png Dynamo Badge
HM Water VI
HM07
Dive Mossdeep City Mind Badge.png Mind Badge

HM-exclusive moves

Due to the nature of HMs, these moves are often exclusively taught by them. Waterfall is the only move that was never HM-exclusive.

HM-exclusive moves
Gen I Gen II Gen III Gen IV Gen V Gen VI
Cut Cut Cut Cut Cut Cut
Fly Fly
Surf Surf Surf Surf Surf Surf
Strength Strength Strength Strength Strength Strength
Flash Flash Flash
Whirlpool
Rock Smash Rock Smash
Dive
Defog
Rock Climb

Gallery

In the spin-off series

MDBag HM Sprite.png

Pokémon Mystery Dungeon series

In the Pokémon Mystery Dungeon series, HMs are rare, can be used several times, can only be found on a single place, and have an other color then TMs.

In Pokémon Mystery Dungeon: Red Rescue Team and Blue Rescue Team, the Rescue Team must either have a specific HM in the Toolbox or a party member that knows the move taught by that HM in order to access certain dungeons.

In the anime

HM01 in Pokémon Origins

In Pokémon Origins

HM01 (Cut) made an appearance in the Pokémon Origins episode File 2: Cubone. Much like in Pokémon Red and Blue, it was given to Red by the captain of S.S. Anne after helping him recover from his seasickness.

In the manga

HM03 in Pokémon Adventures

In the Pokémon Adventures manga

In What a Dragonite, Red was revealed to have already obtained HM01 (Cut) for his Ivysaur, HM04 (Strength) for his Snorlax, and HM05 (Flash) for his Pikachu, one of which he had won in a bike race in Wake Up—You're Snorlax!. When he tried to get his hands on HM03 (Surf), he ran into some trouble with a wild Dragonite, eventually leading to the Hidden Machine getting destroyed. To help him, Misty gave Red her Gyarados in exchange for his Krabby, since it already knew Surf.

It was also revealed that Blue had found HM03 before Red, fueling the young Trainer's determination of finding it too.

In the Pokémon Zensho manga

In Vermilion City, after defeating Lt. Surge, Satoshi received the HM for Cut from the captain of S.S. Anne, whom he had met earlier.

Trivia

  • Rock Smash is the only HM with a unique type. All other HM moves share their type with at least one other HM move.
  • Tracey's Scyther is the first Pokémon belonging to a main character of the anime to have used a then-current HM move, Cut. It wasn't until the Diamond & Pearl series that one of Ash's Pokémon used a then-current HM move; Ash's Grotle used Rock Climb.
    • Although debatable, other Pokémon may have used Surf, Dive, and Fly throughout the anime; however, they were not directly ordered to use the move.
  • The only then-current HM moves that were also able to be learned by Pokémon by level-up were Fly and Waterfall. Former HMs Flash, Whirlpool, Defog, Rock Smash, Rock Climb, and Dive are also learnable by level, but only since their loss of HM status. Moves that regained their HM status, like Whirlpool and Dive did, remain learnable by level-up. Waterfall remains the only HM move that has been learnable by level-up since it was introduced as a move, prior to gaining HM status.
  • In Generation IV, all moves that were at one time an HM can be taught via some method, with Flash being available by TM70 and Dive being available by Move Tutor. Defog and Whirlpool, which replace each other in the Sinnoh- and Johto-based games, are both HM05.
    • Generation IV is the only generation in which two moves share the same HM number.
  • HM moves have so far been only of the Flying, Fighting, Water, and Normal types.
  • In Pokémon Gold, Silver, and Crystal, on Route 20, Swimmer Lori states "Surf is no longer the only HM move you use in water" when she is defeated. This is a reference to Generation I, where the only HM usable in the water was Surf.
  • In the core series, the only ways to delete an HM move are through the Move Deleter and the Pokémon Day Care. However, the move can be deleted by normal means in a game in which it is not taught through an HM.
  • Dive is the only HM in Generation V that is not found in a different location between Black and White and Black 2 and White 2.
  • In Pokémon Sun and Moon, Swimmer Girls Kylie and Ashlyn, two Kalosian HM-makers encountered at Poni Breaker Coast during the post-game, explain that HMs are not only difficult to make, they also cannot legally be sold for money in most regions.

In other languages

Language Title
Denmark Flag.png Danish Skjult maskine
French Canada Flag.png Canada HM*
France Flag.png Europe Capsule Secrète (CS)
Germany Flag.png German Versteckte Maschine (VM)
Italy Flag.png Italian Macchina Nascosta (MN)
South Korea Flag.png Korean 비전머신 Secret Machine
Brazil Flag.png Brazilian Portuguese Máquina Oculta (MO)
Spain Flag.png Spanish Máquina Oculta (MO)
Sweden Flag.png Swedish Gömd maskin
Vietnam Flag.png Vietnamese Cỗ máy bí truyền

See also


Lists of TM and HM locations
In the core series: Generation IGeneration IIGeneration IIIGeneration IVGeneration VGeneration VIGeneration VII
In spin-off games: Mystery Dungeon series


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