What does Shellos evolve into?

Shellos evolves into Gastrodon at level 30. One evolution, no branching. Solid jump from 325 BST.

At what level does Shellos evolve?

Shellos evolves into Gastrodon at level 30. Takes some grinding. Plan your team around the mid-game wait.

Should I use Shellos?

In Legends: Arceus, For a casual playthrough, Shellos works as a placeholder. Water coverage is useful early. The real payoff is Gastrodon . That's where the stats start mattering.

Where can you catch Shellos?

Shellos is catchable in Legends: Arceus. Check the Locations section above for specific routes, encounter rates, and methods. It also appears in 12 other games across the series.

Shellos - Weakness, Evolution, Moveset, EVs & Stats

Mixed

Balanced

DTier

34Speed · Very Slow

Stats & Training

Nothing fancy in Shellos's spread. It leans mixed with HP out front. And you'll get 1 HP EV per KO for it. Follows a medium-fast 1M XP curve.

Base Stats

Avg

HP76

Attack48

Defense48

Sp. Atk57

Sp. Def62

Speed34

Total325

Details

Catch Rate

Easy190 / 255

Growth Rate

Medium Fast1M XP

Height0.3 m

Weight6.3 kg

Base XP65

Abilities

Sticky Hold

Prevents a held item from being removed by other Pokémon.

Storm DrainTop Pick

Redirects single-target water moves to this Pokémon where possible. Absorbs Water moves, raising Special Attack one stage.

Sand ForceHA

Strengthens rock, ground, and steel moves to 1.3× their power during a sandstorm. Protects against sandstorm damage.

Storm Drain grants Water immunity

EV Yield

HP+1AtkDefSpASpDSpe

HP training source

Pokedex Entries

Found in abundance on seashores bordering cold waters. When pressed upon, the Pokémon will secrete from its body’s surface a purple fluid that will stain one’s clothes.

Legends: Arceus

Shellos Weakness

Type-wise, Shellos takes extra damage from Electric and Grass. The Water typing picks up 4 resistances to work with. Storm Drain grants an additional Water immunity, reshaping the matchup chart.

Shellos Weakness and Resistance Chart
Damage	Types
2x (Weak)	Electric, Grass
0.5x (Resist)	Fire, Water, Ice, Steel

Type ChartGood

2Weak

4Resist

1Immune

Score0

4xCritical

None

2xWeak

Electric Grass

½xResist

Fire Water Ice Steel

¼xResist

None

0xImmune

Water

STAB (3)

Fire Ground Rock

How to Beat Shellos in Legends: Arceus (Best Counters)

Leafeon Grass	A
Available Move Moves LeafageLv. 1 Damage vs Shellos Leafage 2x 63-75% View Leafeon builds →
Shaymin Grass	C
Obtain MethodFloaro Gardens Interact Encounter Available Move Moves LeafageLv. 1 Damage vs Shellos Leafage 2x 63-75% View Shaymin builds →
Cherrim Grass	C
Available Move Moves AbsorbLv. 1 Damage vs Shellos Absorb 2x 42-50% View Cherrim builds →
Parasect BugGrass	C
Available Move Moves AbsorbLv. 1 Damage vs Shellos Absorb 2x 29-38% View Parasect builds →
Luxray Electric	C
Available Move Moves Thunder ShockLv. 5 Damage vs Shellos Thunder Shock 2x 63-75% View Luxray builds →

Legends: Arceus Evolution

Shellos is the base form in a two-stage line leading to Gastrodon. Check the evolution method below. A decent partner pool for breeding via two egg groups. Eggs are average hatch time. Evolving adds up to 150 stat points total. View every chain in the Evolution Chart.

How to Evolve

2 Forms

#422Shellos

Level 30

#423Gastrodon

Stat Comparison 2 Stages

Shellos

Water

Gastrodon

WaterGround

111+35

ATK

83+35

DEF

68+20

SP.ATK

92+35

SP.DEF

82+20

SPE

39+5

BST

325C-Tier

475B-Tier+150

ROLE

Balanced

Trick Room

TYPE

Utility

Mixed

Breeding is not available in this game

Legends: Arceus Shellos Best Moveset

Don't let the NFE status fool you. Shellos with Eviolite hits bulk numbers that compete with final forms. Max Sp. Atk without Speed EVs and Hardy nature maximize that, and Stormdrain handles the rest. Recover patches up chip damage.

Best Build

Legends: Arceus uses different battle mechanics.

Competitive build content is not applicable for this game. Select a main series game for builds.

Moves

A compact toolkit overall. The offense runs through Hydro Pump and Water Pulse for Shellos, with Ground and Normal coverage and more doing what it can. Don't expect versatility from this one.

Level-Up Moves

Lv 1

Mud-Slap

D2010010Ground

Lv 5

Tackle

D4010035Normal

Lv 9

Water Pulse

D6010020Water

Lv 15

Ancient Power

S601005Rock

Lv 21

Mud Bomb

—658510Ground

Lv 29

Earth Power

S9010010Ground

Lv 37

Recover

S——10Normal

Lv 47

Hydro Pump

C110805Water

TM Moves

Shellos can't learn any TM moves

Egg Moves

Shellos doesn't have any Egg moves

Tutor Moves

Tut

Tutor

Earth Power

S9010010Ground

Tutor

Ice Beam

S9010010Ice

Tutor

Icy Wind

D559515Ice

Tutor

Rest

C——10Psychic

Tutor

Water Pulse

D6010020Water

Legends: Arceus Shellos Locations

A handful of locations for Shellos with decent spawn rates across mid-game routes. The sort toggle below swaps between best odds and earliest access, so you can approach it based on where you are in the game.

Best Locations to Catch Shellos in Legends: Arceus

You can find Shellos through 4 walking encounters at walking. The list is sorted by game progression, so the earliest accessible spots show up first.

Ramanas Island

Grass Water

Uncommon

Sandgem Flats

Grass Desert

Uncommon

Seagrass Haven

Grass

Uncommon

Tranquility Cove

Grass

Uncommon

Shellos Guide

Shellos evolves into Gastrodon at level 30. One evolution, no branching. Solid jump from 325 BST.
Shellos evolves into Gastrodon at level 30. Takes some grinding. Plan your team around the mid-game wait.
In Legends: Arceus, For a casual playthrough, Shellos works as a placeholder. Water coverage is useful early. The real payoff is Gastrodon. That's where the stats start mattering.
Shellos is catchable in Legends: Arceus. Check the Locations section above for specific routes, encounter rates, and methods. It also appears in 12 other games across the series.

Game Availability

Debuting in Diamond & Pearl, Shellos appears in 13 games across 7 generations. A reliable presence in a solid number of games, typically found through catching or hatching as a base form.

Click a game to view version-specific details

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Zarude DarkGrass	A
Recommended Build AbilityLeafguard ItemChoice Scarf NatureJolly Moves Darkest Lariat Power Whip U Turn Close Combat Damage vs Shellos U Turn 29-35% Close Combat 50-59% View Zarude builds →
Regieleki Electric	A
Recommended Build AbilityTransistor ItemMagnet NatureTimid Moves Volt Switch ProtectPriority ElectrowebSTAB ThunderboltSTAB Damage vs Shellos Volt Switch 2x 47-55% Electroweb 2x 37-44% Thunderbolt 2x 60-70% View Regieleki builds →
Kartana GrassSteel	A
Recommended Build AbilityBeastboost ItemChoice Scarf NatureJolly Moves Leaf Blade Sacred Sword Knock Off Smart Strike Damage vs Shellos Knock Off 37-44% View Kartana builds →
Rotom ElectricGhost	C
Recommended Build AbilityLevitate ItemAssault Vest NatureTimid Moves Dark Pulse DischargeSTAB HexSTAB Nasty Plot Damage vs Shellos Dark Pulse 17-20% Discharge 2x 52-61% Hex 21-25% View Rotom builds →