Hammer Arm
- Contact — Moves that touch the target. Hitting a Pokémon with Rough Skin or Iron Barbs (1/8 of max HP) or holding Rocky Helmet (1/6) damages the attacker. Tough Claws boosts them 1.3×. Holding Protective Pads prevents adverse contact effects.
- Punching — Iron Fist boosts them 1.2×. Holding Punching Glove boosts them 1.1× and stops them from making contact.
Values in Pokémon Champions
Pow
100
Acc
90
PP
10
Priority
0
Range
Single
Effect
Lowers the user’s Speed stat by 1 stage.
Effects & flags
ContactPunch move
Changes by generation
Newest first. Periods with identical values are grouped; bold values changed from the previous (older) period.
| Generation | Type | Cat | Pow | Acc | PP | Priority |
|---|---|---|---|---|---|---|
| Pokémon Champions | Fighting | Phys | 100 | 90 | 10 | 0 |
| Gen 4–9 | Fighting | Phys | 100 | 90 | 10 | 0 |
Pokémon that run this move
Champions Doubles2026-09
Mega Kangaskhan37.2%
Kangaskhan20.6%Percentages are the share within each Pokémon in Champions Doubles (2026-09).
Source: Smogon (Champions VGC reg.MC)
Champions Singles2026-09
Mega Metagross13.5%Percentages are the share within each Pokémon in Champions Singles (2026-09).
Source: Smogon (Champions BSS reg.MC)
Type
Super effective (×2)
NormalIceRockDarkSteel
Not very effective (×½)
PoisonFlyingPsychicBugFairy
No effect (×0)
Ghost
Moves of the same type
Pokémon that learn this move34 Pokémon
#0074Geodude
#0112Rhydon
#0143Snorlax
#0185Sudowoodo
#0217Ursaring
#0239Elekid
#0260Swampert
#0287Slakoth
#0289Slaking
#0376Metagross
#0377Regirock
#0378Regice
#0379Registeel
#0383Groudon
#0408Cranidos
#0464Rhyperior
#0486Regigigas
#0500Emboar
#0532Timburr
#0533Gurdurr
#0534Conkeldurr
#0579Reuniclus
#0622Golett
#0623Golurk
#0641Tornadus
#0642Thundurus
#0645Landorus
#0652Chesnaught
#0810Grookey
#0861Grimmsnarl
#0893Zarude
#0895Regidrago
#0901Ursaluna
#0934GarganaclNarrow these down further in Advanced Search (types, base stats and more) →
FAQ
What type is Hammer Arm?
Hammer Arm is a Fighting-type Phys move.
What does Hammer Arm do?
Lowers the user’s Speed stat by 1 stage.
What are Hammer Arm's power, accuracy and PP?
Power 100, accuracy 90, PP 10.
Which Pokémon can learn Hammer Arm?
34 Pokémon can learn it, e.g. Geodude, Rhydon, Snorlax, Sudowoodo, Ursaring, Elekid, Swampert, Slakoth.