Hammer Arm (Pokémon Move)

Hammer Arm Effect

Effect

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

In-Depth Effect

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

Hammer Arm Move Data

Type	Fighting
Category	Physical
Introduced in	Generation 4
Power Points (PP)	10
Base Power	100
Accuracy	90
Chance	100%
Speed Priority	0
Target	Selected Pokémon One other Pokémon on the field, selected by the trainer.

Game Descriptions

Diamond Pearl	The user swings and hits with its strong and heavy fist. It lowers the user’s Speed, however.
Platinum	The user swings and hits with its strong and heavy fist. It lowers the user’s Speed, however.
HeartGold SoulSilver	The user swings and hits with its strong and heavy fist. It lowers the user’s Speed, however.
Black White	The user swings and hits with its strong and heavy fist. It lowers the user’s Speed, however.
Black 2 White 2	The user swings and hits with its strong and heavy fist. It lowers the user’s Speed, however.
X Y	The user swings and hits with its strong and heavy fist. It lowers the user’s Speed, however.
Sun Moon	The user swings and hits with its strong, heavy fist. It lowers the user’s Speed, however.
Ultra Sun Ultra Moon	The user swings and hits with its strong, heavy fist. It lowers the user’s Speed, however.
Let's Go Pikachu Let's Go Eevee	The user swings and hits with its strong, heavy fist. It lowers the user’s Speed, however.
Sword Shield	The user swings and hits with its strong, heavy fist. It lowers the user’s Speed, however.

Pokémon that Learn Hammer Arm by Leveling Up

No.	Name	Type	Egg Group	Level
#157	Kingler	Water	Water 3	1
#177	Rhydon	Ground Rock	MonsterField	1
#235	Snorlax	Normal	Monster	44
#281	Sudowoodo	Rock	Mineral	1
#315	Ursaring	Normal	Field	67
#357	Swampert	Water Ground	MonsterWater 1	1
#392	Slaking	Normal	Field	61
#498	Metagross	Steel Psychic	Mineral	1
#500	Regirock	Rock	No Eggs Discovered	42
#501	Regice	Ice	No Eggs Discovered	42
#502	Registeel	Steel	No Eggs Discovered	42
#509	Groudon	Ground	No Eggs Discovered	36
#178	Rhyperior	Ground Rock	MonsterField	1
#599	Regigigas	Normal	No Eggs Discovered	66
#615	Emboar	Fire Fighting	Field	1
#648	Timburr	Fighting	Human-Like	36
#649	Gurdurr	Fighting	Human-Like	42
#650	Conkeldurr	Fighting	Human-Like	42
#673	Darmanitan Standard	Fire	Field	1
#701	Reuniclus	Psychic	Amorphous	1
#745	Golett	Ground Ghost	Mineral	48
#746	Golurk	Ground Ghost	Mineral	52
#764	Tornadus Incarnate	Flying	No Eggs Discovered	55
#766	Thundurus Incarnate	Electric Flying	No Eggs Discovered	55
#770	Landorus Incarnate	Ground Flying	No Eggs Discovered	55
#782	Chesnaught	Grass Fighting	Field	72
#792	Diggersby	Normal Ground	Field	58
#808	Pangoro	Fighting Dark	FieldHuman-Like	58
#918	Stufful	Normal Fighting	Field	32
#919	Bewear	Normal Fighting	Field	36
#971	Buzzwole	Bug Fighting	No Eggs Discovered	60
#976	Guzzlord	Dark Dragon	No Eggs Discovered	45
#1045	Grimmsnarl	Dark Fairy	FairyHuman-Like	64
#1084	Zarude	Dark Grass	No Eggs Discovered	72
#1087	Regidrago	Dragon	No Eggs Discovered	42
#674	Darmanitan Zen	Fire Psychic	Field	1
#765	Tornadus Therian	Flying	No Eggs Discovered	55
#767	Thundurus Therian	Electric Flying	No Eggs Discovered	55
#771	Landorus Therian	Ground Flying	No Eggs Discovered	55
#358	Swampert Mega	Water Ground	MonsterWater 1	63
#499	Metagross Mega	Steel Psychic	Mineral	1
#510	Groudon Primal	Ground Fire	No Eggs Discovered	80
#1085	Zarude Dada	Dark Grass	No Eggs Discovered	72

Pokémon that Learn Hammer Arm by Breeding

No.	Name	Type	Egg Group
#115	Geodude	Rock Ground	Mineral
#156	Krabby	Water	Water 3
#171	Lickitung	Normal	Monster
#184	Kangaskhan	Normal	Monster
#201	Elekid	Electric	No Eggs Discovered
#336	Miltank	Normal	Field
#390	Slakoth	Normal	Field
#396	Whismur	Normal	MonsterField
#537	Cranidos	Rock	Monster
#671	Darumaka	Fire	Field
#991	Grookey	Grass	FieldGrass
#185	Kangaskhan Mega	Normal	Monster
#672	Darumaka Galar	Ice	Field

Available

Red Blue	No
Yellow	No
Ruby Sapphire	No
Emerald	No
FireRed LeafGreen	No
Diamond Pearl	Yes
Platinum	Yes
HeartGold SoulSilver	Yes
Black White	Yes
Black 2 White 2	Yes
X Y	Yes
Sun Moon	Yes
Ultra Sun Ultra Moon	Yes
Let's Go Pikachu Let's Go Eevee	Yes
Sword Shield	Yes