DexDB.io

Hammer Arm

In Pokémon ChampionsGen IV
Game

Pokémon Champions

FightingPhysical

Lowers the user's Speed by 1.

Power
100
Accuracy
90%
PP
12 Scarlet & Violet: 10
Hits
One Pokémon next to the user
On Showdown
0.1% of Champions VGC Pokémon run it
Properties

Changes over time

How Hammer Arm changed from game to game, newest first.

  1. Champions

    PP 10 → 12 Buffed

Numbers: PokéAPI’s changelog. Descriptions: Pokémon Showdown’s for each generation, PokéAPI’s notes where Showdown’s don’t differ. Champions: Pokémon Showdown.

See it in the games

No clip of Hammer Arm here yet. Find Hammer Arm on YouTube →

How it works in Champions

Lowers the user's Speed by 1 stage.

“The user swings its strong, heavy fist at the target to inflict damage. This also lowers the user's Speed stat.”

In-game text, Scarlet & Violet

What interacts

Abilities and items that boost Hammer Arm, block it, punish its user or change how it works.

Boosts it

3

Blocks or weakens it

2

Punishes the user

12

Changes how it works

4

Mold Breaker, Teravolt and Turboblaze ignore the abilities that block or weaken it.

Good to know

  • Lowers the user's own stats after use; White Herb restores them and Contrary turns the drops into boosts.

Who runs Hammer Arm on Showdown

  1. Mega Kangaskhan37.2% of its sets
  2. Kangaskhan20.6% of its sets
  3. Metagross21.8% of its sets
  4. Rhyperior5.2% of its sets
  5. Garganacl4.9% of its sets

Smogon · Showdown Champions VGC · Sep 2026: Smogon’s usage stats from Pokémon Showdown, not the in-game ladder.

On the ladder today

Ranked Doubles Pokémon with Hammer Arm among their most used moves.

Kangaskhan, ladder rank #77

Who learns Hammer Arm

21 Pokémon can learn it in Pokémon Champions.

KangaskhanSnorlaxSwampertMetagrossRampardosRhyperiorEmboarConkeldurrReuniclusGolurkChesnaughtDiggersbyPangoroGrimmsnarlGarganaclMega KangaskhanMega SwampertMega MetagrossMega EmboarMega ChesnaughtMega Golurk

All 55 Pokémon that learn it in any game → Filter the Pokédex to Champions →