Hammer Arm

Essentials

Hammer Arm

physical

Generation 4

Summary

Lowers user's Speed by one stage.

Damage Dealt

Stats

Power: 100; percentile 76.9
Accuracy: 90% ≈ 90.0 power
PP: 10, up to 16.0 with PP Up
Target: Selected Pokémon
Effect chance: 100
Priority: 0 (normal)

Flags

Makes contact

User touches the target. This triggers some abilities (e.g., Static) and items (e.g., Sticky Barb).
Has a charging turn
Must recharge
Blocked by Detect and Protect

This move will not work if the target has used Detect or Protect this turn.
Reflectable
Snatchable
Copied by Mirror Move

A Pokémon targeted by this move can use Mirror Move to copy it.
Punch-based

This move has 1.2× its usual power when used by a Pokémon with Iron Fist.
Sound-based
Unusable during Gravity
Defrosts when used
Targets opposite side in triples
Heals
Ignores Substitute
Powder-based
Jaw-based
Pulse-based
Ballistics-based
Mental effects
Unusable during Sky Battles
Dance

Machines

: Not a TM
: Not a TM
: Not a TM
: Not a TM
: Not a TM

Effect

Inflicts regular damage, then lowers the user's Speed by one stage.

Flavor

Flavor Text

: The user swings and hits with its strong and heavy fist. It lowers the user’s Speed, however.

: The user swings and hits with its strong and heavy fist. It lowers the user’s Speed, however.

: The user swings and hits with its strong and heavy fist. It lowers the user’s Speed, however.

: The user swings and hits with its strong, heavy fist. It lowers the user’s Speed, however.

: The user swings and hits with its strong, heavy fist. It lowers the user’s Speed, however.

Foreign Names

Japanese: アームハンマー (aamuhanmaa)
: アームハンマー
Korean: 암해머
Chinese: 臂錘
: 臂锤
French: Marto-Poing
German: Hammerarm
Spanish: Machada
Italian: Martelpugno
Czech: Kladivová pěst

Contests

Super Contest

Type
Appeal: ♡♡
Flavor text: Enables the user to perform last in the next turn.
Use after: None
Use before: None

Similar moves

These moves all have the same effect as Hammer Arm.

Move	Type	Class	PP	Power	Acc	Pri	Effect
Ice Hammer			10	100	90%		Lowers user's Speed by one stage.

Pokémon

Fighting Pokémon get STAB, and have their types highlighted in green.

Pokémon with higher Attack are more suited to Hammer Arm's physical damage, and have the stat highlighted in green.

								Pokémon	Type	Ability	Gender	Egg Group	HP	Atk	Def	SpA	SpD	Spd	Total
Level up: Learned when a Pokémon reaches a certain level.
							—	Kingler		Hyper Cutter Shell Armor Sheer Force		Water 3	55	130	115	50	50	75	475
42	42	42	42	42	42	*	*	Rhydon		Lightning Rod Rock Head Reckless		Monster Field	105	130	120	45	45	40	485
42	42	42	42	42	42	—	—	Rhyperior		Lightning Rod Solid Rock Reckless		Monster Field	115	140	130	55	55	40	535
							44	Snorlax		Immunity Thick Fat Gluttony		Monster	160	110	65	65	110	30	540
49	49	49	47	47	47	50	—	Sudowoodo		Sturdy Rock Head Rattled		Mineral	70	100	115	30	65	30	410
67	67	67	67	—	—	—		Ursaring		Guts Quick Feet Unnerve		Field	90	130	75	75	75	55	500
69	69	69	69	—	—	—	—	Swampert		Torrent Damp		Monster Water 1	100	110	90	85	90	60	535
					—	—		Mega Swampert		Swift Swim		Monster Water 1	100	150	110	95	110	70	635
61	61	67	67	—	—	—		Slaking		Truant		Field	150	160	100	95	65	100	670
45	45	45	45	45	45	*	*	Metagross		Clear Body Light Metal		Mineral	80	135	130	95	90	70	600
					45	*		Mega Metagross		Tough Claws		Mineral	80	145	150	105	110	110	700
81	81	81	81	—	49	49	42	Regirock		Clear Body Sturdy		Undiscovered	80	100	200	50	100	50	580
81	81	81	81	—	49	49	42	Regice		Clear Body Ice Body		Undiscovered	80	50	100	100	200	50	580
81	81	81	81	—	49	49	42	Registeel		Clear Body Light Metal		Undiscovered	80	75	150	75	150	50	580
	20	20	20	20	80	80	36	Groudon		Drought		Undiscovered	100	150	140	100	90	90	670
					80	80		Primal Groudon		Desolate Land		Undiscovered	100	180	160	150	90	90	770
							66	Regigigas		Slow Start		Undiscovered	110	160	110	80	110	100	670
		—	—	—	—	—		Emboar		Blaze Reckless		Field	110	123	65	100	65	65	528
		40	40	40	40	40	36	Timburr		Guts Sheer Force Iron Fist		Human-Like	75	80	55	25	35	35	305
		45	45	45	45	45	42	Gurdurr		Guts Sheer Force Iron Fist		Human-Like	85	105	85	40	50	40	405
		45	45	45	45	45	42	Conkeldurr		Guts Sheer Force Iron Fist		Human-Like	105	140	95	55	65	45	505
		35	35	35	35	*	*	Standard Darmanitan		Sheer Force Zen Mode		Field	105	140	55	30	55	95	480
		35	35	35	35	*	*	Zen Darmanitan		Sheer Force Zen Mode		Field	105	30	105	140	105	55	540
							*	Reuniclus		Overcoat Magic Guard Regenerator		Amorphous	110	65	75	125	85	30	490
		50	50	50	50	55	48	Golett		Iron Fist Klutz No Guard		Mineral	59	74	50	35	50	35	303
		60	60	60	60	61	52	Golurk		Iron Fist Klutz No Guard		Mineral	89	124	80	55	80	55	483
		79	79	—	—	—	55	Incarnate Tornadus		Prankster Defiant		Undiscovered	79	115	70	125	80	111	580
			79	—	—	—	55	Therian Tornadus		Regenerator		Undiscovered	79	100	80	110	90	121	580
		79	79	—	—	—	55	Incarnate Thundurus		Prankster Defiant		Undiscovered	79	115	70	125	80	111	580
			79	—	—	—	55	Therian Thundurus		Volt Absorb		Undiscovered	79	105	70	145	80	101	580
		79	79	—	—	—	55	Incarnate Landorus		Sand Force Sheer Force		Undiscovered	89	125	90	115	80	101	600
			79	—	—	—	55	Therian Landorus		Intimidate		Undiscovered	89	145	90	105	80	91	600
				—	—	—		Chesnaught		Overgrow Bulletproof		Field	88	107	122	74	75	64	530
				—	—	—	58	Diggersby		Pickup Cheek Pouch Huge Power		Field	85	56	77	50	77	78	423
				—	—	—	58	Pangoro		Iron Fist Mold Breaker Scrappy		Field Human-Like	95	124	78	69	71	58	495
						32	32	Stufful		Fluffy Klutz Cute Charm		Field	70	75	50	45	50	50	340
						36	36	Bewear		Fluffy Klutz Unnerve		Field	120	125	80	55	60	60	500
						47	60	Buzzwole		Beast Boost		Undiscovered	107	139	139	53	53	79	570
						43	45	Guzzlord		Beast Boost		Undiscovered	223	101	53	97	53	43	570
							64	Grimmsnarl		Prankster Frisk Pickpocket		Fairy Human-Like	95	120	65	95	75	60	510
							72	Zarude		Leaf Guard		Undiscovered	105	120	105	70	95	105	600
							72	Dada Zarude		Leaf Guard		Undiscovered	105	120	105	70	95	105	600
							42	Regidrago		Dragon’s Maw		Undiscovered	200	100	50	100	50	80	580
								Pokémon	Type	Ability	Gender	Egg Group	HP	Atk	Def	SpA	SpD	Spd	Total
Egg: Appears on a newly-hatched Pokémon, if the father had the same move.
								Geodude		Rock Head Sturdy Sand Veil		Mineral	40	80	100	30	30	20	300
								Krabby		Hyper Cutter Shell Armor Sheer Force		Water 3	30	105	90	25	25	50	325
								Lickitung		Own Tempo Oblivious Cloud Nine		Monster	90	55	75	60	75	30	385
								Kangaskhan		Early Bird Scrappy Inner Focus		Monster	105	95	80	40	80	90	490
								Mega Kangaskhan		Parental Bond		Monster	105	125	100	60	100	100	590
								Elekid		Static Vital Spirit		Undiscovered	45	63	37	65	55	95	360
								Miltank		Thick Fat Scrappy Sap Sipper		Field	95	80	105	40	70	100	490
								Slakoth		Truant		Field	60	60	60	35	35	30	280
								Whismur		Soundproof Rattled		Monster Field	64	51	23	51	23	28	240
								Cranidos		Mold Breaker Sheer Force		Monster	67	125	40	30	30	58	350
								Darumaka		Hustle Inner Focus		Field	70	90	45	15	45	50	315
								Galarian Darumaka		Hustle Inner Focus		Field	70	90	45	15	45	50	315
								Grookey		Overgrow Grassy Surge		Field Grass	50	65	50	40	40	65	310

56 Pokémon