Hammer Arm (move)

Hammer Arm (Japanese: アームハンマー Arm Hammer) is a damage-dealing Fighting-type move introduced in Generation IV.

Hammer Arm
アームハンマー Arm Hammer

Battles

Type	Fighting
Category	Physical
PP	10 (max. 16)
Power	100
Accuracy	90%
Priority	{{{priority}}}
Makes contact Affected by Protect Not affected by Magic Coat Not affected by Snatch Affected by Mirror Move Affected by King's Rock

Target

Foe	Foe	Foe
Self	Ally	Ally
May affect anyone adjacent to the user

Availability

Introduced	Generation IV
Not a TM, TR, HM, or Move Tutor move.

Super Contests

Condition	Cool
Appeal	2 ♥♥
Enables the user to perform last in the next turn.

Contest Spectaculars

Condition	Tough
Appeal	6 ♥♥♥♥♥♥
Jamming	0
A very appealing move, but after using this move, the user is more easily startled.

On Smogon's Movedex:

Effect

Hammer Arm inflicts damage and lowers the user's Speed by one stage.

Description

Games	Description
DP Pt HGSSPBR BW B2W2 XY ORAS	The user swings and hits with its strong and heavy fist. It lowers the user's Speed, however.
SM USUM SwSh	The user swings and hits with its strong, heavy fist. It lowers the user's Speed, however.

Learnset

By leveling up

#	Pokémon		Types	Egg Groups		Level
#	Pokémon		Types	Egg Groups		I	II	III	IV	V	VI	VII	VIII
099		Kingler		Water 3		Water 3					1
112		Rhydon		Monster	Field	42	42	42	1, Evo.	1, Evo.
143		Snorlax		Monster		Monster					44
185		Sudowoodo		Mineral		Mineral	49	49^BW 47^B2W2	47	50	1
217		Ursaring		Field		Field	67	67	1, 67	1, 67	1, 67^BDSP
260		Swampert		Monster	Water 1	69	69	1, 69^XY 1, 63^ORAS	1, 63	1
289		Slaking		Field		Field	61	67	1, 67^XY 1, 61^ORAS	1, 61	1, 61^BDSP
376		Metagross		Mineral		Mineral	45	45	45	1, Evo.	1, Evo.
377		Regirock		Undiscovered		Undiscovered	81	81	1, 81^XY 49^ORAS	49	42
378		Regice		Undiscovered		Undiscovered	81	81	1, 81^XY 49^ORAS	49	42
379		Registeel		Undiscovered		Undiscovered	81	81	1, 81^XY 49^ORAS	49	42
383		Groudon		Undiscovered		Undiscovered	20^HGSS	20	20^XY 80^ORAS	80	36
464		Rhyperior		Monster	Field	42	42	42	1	1
486		Regigigas		Undiscovered		Undiscovered					66
500		Emboar		Field		Field		1	1	1
532		Timburr		Human-Like		Human-Like		40	40	40	36^SwSh
533		Gurdurr		Human-Like		Human-Like		45	45	45	42^SwSh
534		Conkeldurr		Human-Like		Human-Like		45	45	45	42^SwSh
555		Darmanitan		Field		Field		35	35	1, Evo.	1, Evo.^SwSh
579		Reuniclus		Amorphous		Amorphous					1, Evo.^SwSh
622		Golett		Mineral		Mineral		50	50	55	48^SwSh
623		Golurk		Mineral		Mineral		60	60	61	52^SwSh
641		Tornadus		Undiscovered		Undiscovered		79	1, 79	1, 73	55^SwSh
642		Thundurus		Undiscovered		Undiscovered		79	1, 79	1, 73	55^SwSh
645		Landorus		Undiscovered		Undiscovered		79	1, 79	1, 73	55^SwSh
652		Chesnaught		Field		Field			1, 60	1, 72
660		Diggersby		Field		Field			1, 60	1, 60	58^SwSh
675		Pangoro		Field	Human-Like			1, 57	1, 70	58^SwSh
759		Stufful		Field		Field				32	32^SwSh
760		Bewear		Field		Field				36	36^SwSh
794		Buzzwole		Undiscovered		Undiscovered				47	60^SwSh
799		Guzzlord		Undiscovered		Undiscovered				43	45^SwSh
861		Grimmsnarl		Fairy	Human-Like					64^SwSh
893		Zarude		Undiscovered		Undiscovered					72^SwSh
895		Regidrago		Undiscovered		Undiscovered					42^SwSh
Bold indicates a Pokémon gains STAB from this move. Italics indicates a Pokémon whose evolution or alternate form receives STAB from this move.

By breeding

#	Pokémon		Types	Parent Egg Groups		Egg Move
#	Pokémon		Types	Parent Egg Groups		II	III	IV	V	VI	VII	VIII
074		Geodude		Mineral		Mineral	✔	✔	✔	✔	✔^BDSP
098		Krabby		Water 3		Water 3					✔
108		Lickitung		Monster		Monster	✔	✔	✔	✔	✔
115		Kangaskhan		Monster		Monster	✔	✔	✔	✔	✔
239		Elekid		Human-Like		Human-Like		✔	✔	✔	✔
241		Miltank		Field		Field	✔	✔	✔	✔	✔
287		Slakoth		Field		Field	✔	✔	✔	✔	✔^BDSP
293		Whismur		Monster	Field	✔^HGSS	✔	✔	✔	✔
408		Cranidos		Monster		Monster	✔	✔	✔	✔	✔^BDSP
554		Darumaka		Field		Field		✔	✔	✔	✔^SwSh
554		Darumaka Galarian Form		Field		Field					✔^SwSh
810		Grookey		Field	Grass					✔^SwSh
Bold indicates a Pokémon gains STAB from this move. Italics indicates a Pokémon whose evolution or alternate form receives STAB from this move.

Generation IV

#	Pokémon		Types	Egg Groups		Obtained with
241		Miltank		Field		Field	My Pokémon Ranch
Bold indicates a Pokémon gains STAB from this move. Italics indicates a Pokémon whose evolution or alternate form receives STAB from this move.

Generation VII

#	Pokémon		Types	Egg Groups		Obtained with
288		Vigoroth		Field		Field	Island Scan - Route 11^SM
Bold indicates a Pokémon gains STAB from this move. Italics indicates a Pokémon whose evolution or alternate form receives STAB from this move.

Generation V

#		Egg Groups		Obtained with
260	Swampert^Lv. 50	Monster	Water 1	JR Kyushu Train Station Swampert
641	Tornadus^Lv. 70	Undiscovered		Undiscovered	Milos Island Tornadus^W
642	Thundurus^Lv. 70	Undiscovered		Undiscovered	Milos Island Thundurus^B
Bold indicates a Pokémon gains STAB from this move. Italics indicates a Pokémon whose evolution or alternate form receives STAB from this move.

Generation VIII

#	Pokémon		Types	Egg Groups		Obtained with
893		Zarude^{Lv. 70} Dada		Undiscovered		Undiscovered	Forest of Okoya Dada Zarude
Bold indicates a Pokémon gains STAB from this move. Italics indicates a Pokémon whose evolution or alternate form receives STAB from this move.

In other games

Pokémon Mystery Dungeon series

In Explorers of Time, Darkness and Explorers of Sky, Hammer Arm is a move with base power of 18, 16 PP and 80% accuracy. The user damages enemy in the front, and lowers its Movement Speed by one stage.

Pokémon Masters EX

Category	Move Gauge	MP	Base Power	Max Power	Accuracy	Target	Effect Tag	Description
Physical	3	—	124	148	90%	An opponent	—	Lowers the user's Speed by one stat rank.

Past Description

Prior to Version 2.10.0 (from June 28, 2021): Lowers the user's Speed.

Description

Games	Description
MDTD S	Inflicts damage on the target. But it also reduces the user's Movement Speed by 1 level.
BSL	てきポケモンにダメージをあたえるがじぶんのいどうそくどが１だんかいさがる
MDGtI	It damages an enemy, but it also lowers your Travel Speed.
SMD MDRTDX	It damages an enemy, but it also lowers your Travel Speed. The stat returns to normal after a while.

In the anime

Pokémon	Method

Diggersby	Sudowoodo	Ursaring	Golurk
The user hits the opponent with its glowing arms.
User	First Used In		Notes
Rhydon	One of Rhydon's forearms glow white and it slams the opponent with it.
A Scientist's Rhydon	Tag! We're It...!		Debut
Ursaring	Ursaring's forearms glow white or gold and it slams them onto the opponent, or one of Ursaring's hands glow gold and it smacks the opponent hard.
Paul's Ursaring	Glory Blaze!		None
Ilunas's Ursaring	Night and Day, You are the Ones!		None
Rhyperior	Rhyperior's hand glows red and slams its arm into the opponent.
Brendan's Rhyperior	Giratina and the Sky Warrior		None
Regigigas	Regigigas's forearms glow white and it slams them into the opponent from above.
A wild Regigigas	Pillars of Friendship!		Regigigas could not legally learn Hammer Arm at the time
Sudowoodo	Sudowoodo's whole arm or the orbs on its hands glow white, light green or gold and it slams it into the opponent. Sometimes, both of its arms glow.
Brock's Sudowoodo	Frozen on Their Tracks!		None
Narissa's Ditto One in the form of Sudowoodo	Dealing With a Fierce Double Ditto Drama!		Used via Transform
Narissa's Ditto Two in the form of Sudowoodo	Dealing With a Fierce Double Ditto Drama!		Used via Transform
Tornadus	Tornadus raises both of his arms above his head and crosses them. Both of his forearms then start to glow white, and Tornadus brings both of his arms down on top of the opponent, or Tornadus smashes his wrists together in front of his body and pulls his arms to his side. Both of his forearms then glow white and he charges forward. As he approaches the opponent, he brings both of his fists forward, smashing them into the opponent, or Tornadus holds out one of his arms and his forearm starts to glow white. He then slams his forearm into the opponent. As he swings his arm, he leaves behind a stream of white energy where he swung.
Tornadus (anime)	Stopping the Rage of Legends! Part 1		None
Thundurus	One of Thundurus's forearms glow white and he swings it forward, smashing it into the opponent. As he swings his arm, he leaves behind a white trail of energy where it swung.
Thundurus (anime)	Stopping the Rage of Legends! Part 2		None
Emboar	One or both of Emboar's forearms glow white and it slams it or them onto the opponent.
Bianca's Emboar	Search for the Clubultimate!		None
Shamus's Emboar	Evolution by Fire!		None
Pangoro	One of Pangoro's forearms glows white and it slams it onto the opponent.
A wild Pangoro	The Bamboozling Forest!		None
A Trainer's Pangoro	Rotom's Wish!		None
Diggersby	Diggersby's ears glow white and it slams them into the opponent.
Dolan's Diggersby	To Catch a Pokémon Smuggler!		None
A wild Diggersby	A Trip Down Memory Train!		None
Exploud	One of Exploud's forearms glows white and it slams it onto the opponent.
Blake and Heath's father's Exploud	Splitting Heirs!		None
Slaking	One of Slaking's arms glows white and it slams the opponent with it.
Sawyer's Slaking	Analysis Versus Passion!		None
Golurk	One of Golurk's arms glows white and it slams the opponent with it.
Goh's Golurk	Raid Battle in The Ruins!		None

In the manga

Let's Play the Pokémon Card Game XY!

	Pangoro

The user slams its fist down on the opponent.
Pokémon	Method
User	First Chapter Used In	Notes
Pangoro	Pangoro slams its fist down on the opponent.
A TCG Player's Pangoro	Let's Play the Pokémon Card Game XY!	Debut

Pokémon Adventures

Mega Swampert	Graveler	Gurdurr

The user throws a fast and powerful punch at the opponent. The user loses speed as a result of the power.
Pokémon	Method
User	First Chapter Used In	Notes
Graveler	Graveler punches the opponent with one of its fists with great force. Each time Graveler uses the attack, however, it loses speed.
Three wild Graveler	Disagreeable Graveler	Debut
Emboar	Emboar slams its arm into the opponent with great force.
Black's Bo	Decisions, Decisions	None
Swampert	Mega Swampert slams its arm into the opponent with great force.
Ruby's Mumu	Omega Alpha Adventure 9	None
Gurdurr	Gurdurr slams its steel beam into the opponent with great force.
Henry's Steeler	PASS10	None

Pokémon Diamond and Pearl Adventure!

	Regirock

The user throws a fast and powerful punch at the opponent losing speed as a result.
Pokémon	Method
User	First Chapter Used In	Notes
Regirock	Regirock raises one of its arms and slams it down at the opponent.
Candice's Regirock	A Novel Test!!	Debut
Metagross	Metagross punches the opponent with one of its fists with great force losing speed every time it uses the attack.
Koya's Metagross	A New Battle Begins!	None

In other generations

Core series games

Generation I	RB Y	Generation I (Japanese)	Generation I (international)	Generation II	Generation II (Japanese)	Generation II (international)	Crystal	Generation III	Generation III (Japanese)	Generation III (international)	RS	FRLG	FRLG E	Generation IV	Generation IV (Japanese)	Generation IV (international)	Pt HGSS	HGSS	Generation V	BW	B2W2	Generation V (Japanese)	Generation V (international)	Generation VI	XY	ORAS	Generation VII	SM USUM	LGPE	Generation VIII	Stadium (JP)	Stadium	Stadium 2	Colosseum	XD	Battle Revolution	Battrio	MD: Red and Blue	MD: Time, Darkness, and Sky	MD: Blazing, Stormy, & Light Adventure Squad	MD: GTI	SMD	MD: RTDX	Rumble	Rumble Blast	Masters EX

Side series games

Generation I	RB Y	Generation I (Japanese)	Generation I (international)	Generation II	Generation II (Japanese)	Generation II (international)	Crystal	Generation III	Generation III (Japanese)	Generation III (international)	RS	FRLG	FRLG E	Generation IV	Generation IV (Japanese)	Generation IV (international)	Pt HGSS	HGSS	Generation V	BW	B2W2	Generation V (Japanese)	Generation V (international)	Generation VI	XY	ORAS	Generation VII	SM USUM	LGPE	Generation VIII	Stadium (JP)	Stadium	Stadium 2	Colosseum	XD	Battle Revolution	Battrio	MD: Red and Blue	MD: Time, Darkness, and Sky	MD: Blazing, Stormy, & Light Adventure Squad	MD: GTI	SMD	MD: RTDX	Rumble	Rumble Blast	Masters EX

Spin-off series games

Generation I	RB Y	Generation I (Japanese)	Generation I (international)	Generation II	Generation II (Japanese)	Generation II (international)	Crystal	Generation III	Generation III (Japanese)	Generation III (international)	RS	FRLG	FRLG E	Generation IV	Generation IV (Japanese)	Generation IV (international)	Pt HGSS	HGSS	Generation V	BW	B2W2	Generation V (Japanese)	Generation V (international)	Generation VI	XY	ORAS	Generation VII	SM USUM	LGPE	Generation VIII	Stadium (JP)	Stadium	Stadium 2	Colosseum	XD	Battle Revolution	Battrio	MD: Red and Blue	MD: Time, Darkness, and Sky	MD: Blazing, Stormy, & Light Adventure Squad	MD: GTI	SMD	MD: RTDX	Rumble	Rumble Blast	Masters EX

Trivia

Hammer Arm has the same description text as Ice Hammer.

In other languages

Language		Title
Chinese	Cantonese	臂錘 Beichèuih * 臂力拳 Beilihk Kyùhn *
Chinese	Mandarin	臂錘 / 臂锤 Bìchuí * 臂力拳 Bìlì Quán *
Czech		Kladivová paže
Dutch		Mokerarm
French		Marto-Poing
German		Hammerarm
Greek		Σφυροκόπημα
Hindi		हथौड़ा बांह Hathaura Banha
Indonesian		Lengan Palu
Italian		Martelpugno
Korean		암해머 Arm Hammer
Polish		Młotoramię
Portuguese	Brazil	Braço de Martelo (Pokémon the Series: XY-present, TCG, manga) Braço Martelo
Portuguese	Portugal	Braço Martelo
Romanian		Brațul Ciocan
Serbian		Čekić pesnica
Spanish	Latin America	Brazo Martillo (DP050-DP131, BW071-present) Machada (DP173-DP184)
Spanish	Spain	Machada
Vietnamese		Nắm Đấm Búa Tạ

Variations of the move Hammer Arm

Hammer Arm • Ice Hammer

This article is part of Project Moves and Abilities, a Bulbapedia project that aims to write comprehensive articles on two related aspects of the Pokémon games.

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