Shell Side Arm (move)

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Shell Side Arm
シェルアームズ Shell Arms
Shell Side Arm IX.png
Shell Side Arm IX 2.png
Type  Poison
Category  Special
PP  10 (max. 16)
Power  90
Accuracy  100%
Priority  0
Opponent Opponent Opponent
Self Ally Ally
Normal: May affect anyone adjacent to the user
Introduced  Generation VIII
Condition  [[{{{category}}} (condition)|{{{category}}}]]
Appeal  0  
Jam  0  
Condition  [[{{{category}}} (condition)|{{{category}}}]]
Appeal  0  
Condition  [[{{{category}}} (condition)|{{{category}}}]]
Appeal  0  
Jamming  0  

Shell Side Arm (Japanese: シェルアームズ Shell Arms) is a damage-dealing Poison-type move introduced in Generation VIII. It is the signature move of Galarian Slowbro.


Shell Side Arm deals damage and has a 20% chance of poisoning the target.

Shell Side Arm forecasts whether its base damage would be higher as a physical move or special move, and becomes the category that it predicts would inflict more damage (chosen randomly if they are tied). For the forecast only, stat modifiers other than stat stages are ignored, and Wonder Room is applied to stat stage modifiers but not to the original stats.

Shell Side Arm has a different animation depending on whether it is a physical or a special move. If it is a physical move, it makes contact; if it is a special move, it does not.

Generation VIII

Pokémon Brilliant Diamond and Shining Pearl

Shell Side Arm cannot be selected in a battle.


Games Description
SwShLA This move inflicts physical or special damage, whichever will be more effective. This may also poison the target.
BDSP This move can't be used. It's recommended that this move is forgotten. Once forgotten, this move can't be remembered.
SV This move is either physical or special—whichever will inflict more damage. This may also poison the target.


By leveling up

# Pokémon Types Egg Groups Level
0080 Slowbro
Galarian Form
PoisonIC Big.png
PsychicIC Big.png
Monster Water 1 1, Evo. Evo.
Bold indicates a Pokémon gains STAB from this move.
Italics indicates a Pokémon whose evolution or alternate form receives STAB from this move.
A dash (−) indicates a Pokémon cannot learn the move by the designated method.
An empty cell indicates a Pokémon that is unavailable in that game/generation.

In the anime

Slowbro Shell Side Arm.png
Galarian Slowbro

The user fires a stream of poison at the opponent.
Pokémon Method
User First Used In Notes
Slowbro Galarian Slowbro fires a stream of purple poison from the tip of the Shellder on its arm at the opponent.
A wild Slowbro An Evolution in Taste! Debut


As a special move

As a physical move

In other languages

Language Title
Chinese Cantonese 臂貝武器 Beibui Móuhhei
Mandarin 臂貝武器 / 臂贝武器 Bìbèi Wǔqì
France Flag.png French Kokiyarme
Germany Flag.png German Muschelwaffe
Italy Flag.png Italian Armaguscio
South Korea Flag.png Korean 셸암즈 Syel Amjeu
Russia Flag.png Russian Панцирная Пушка Pantsirnaya Pushka
Spain Flag.png Spanish Moluscañón

Project Moves and Abilities logo.png 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.