PokemonLore

Legends Z-A

#411

Rock

Steel

POKÉDEX No. #411

Bastiodon

Shield Pokémon

Generation 4

Any frontal attack is repulsed. It is a docile Pokémon that feeds on grass and berries.

Height1.3 m

Weight149.5 kg

AbilitiesSturdy

Forms1

Defensive Fingerprint

4×2×1×½×¼×0×

NORNormal ¼×

FIRFire 1×

WATWater 2×

ELEElectric 1×

GRAGrass 1×

ICEIce ½×

FIGFighting 4×

POIPoison 0×

GRDGround 4×

FLYFlying ¼×

PSYPsychic ½×

BUGBug ½×

ROCRock ½×

GHOGhost 1×

DRADragon ½×

DRKDark 1×

STESteel 1×

FAIFairy ½×

Base Stats

Lv.100 Range

HP60
230–324
Attack52
98–223
Defense168
306–478
Sp. Atk47
89–212
Sp. Def138
252–412
Speed30
58–174

Total495

/ 720

BST495

65 percentile (1025)+63 vs Gen 4 avg (432)

Stat Radar

This PokémonAverage

Weak to

Fighting

Ground

Water

Resists

Normal

Flying

Rock

Bug

Psychic

Ice

Dragon

Fairy

Immune

Poison

Full Type Defense Chart ↓

Species Identity

Core species facts, alternate varieties, and Pokédex placements at a glance.

Generation

Generation 4

Habitat

Unknown

Color

Gray

Shape

Quadruped

Gender Difference

Forms Switchable

Evolves From

Shieldon#410

Regional Pokédex Numbers

National	#411
Blueberry	#110
Champions	#411
Conquest Gallery	#164
Extended Sinnoh	#39
Hisui	#211
Original Akala	#118
Original Alola	#191
Original Sinnoh	#39
Updated Akala	#139
Updated Alola	#238

Training Profile

Battle-ready training facts pulled from EV yield, growth curve, and wild held item data.

Base Experience

173

EV Yield

+2 Defense

Growth Curve

Slow Then Very Fast

\begin{cases}
\frac{ x^3 \left( 100 - x \right) }{50},    & \text{if } x \leq 50  \\
\frac{ x^3 \left( 150 - x \right) }{100},   & \text{if } 50 < x \leq 68  \\
\frac{ x^3 \left( 1274 + (x \bmod 3)^2 - 9 (x \bmod 3) - 20 \left\lfloor \frac{x}{3} \right\rfloor \right) }{1000}, & \text{if } 68 < x \leq 98  \\
\frac{ x^3 \left( 160 - x \right) }{100},   & \text{if } x > 98  \\
\end{cases}

Exp at Lv. 50

125,000

Exp at Lv. 100

600,000

Wild Held Items

No wild held item data available.

Evolution Chain

#410

Shieldon

→

Level 30

#411

Bastiodon

Encounter Guide

Where this Pokémon appears in supported games, including method, level range, and encounter conditions.

PokeAPI does not list encounter data for this Pokémon. It may be event-only, form-specific, or unavailable in the main series wild data.

Type Matchups

Understanding damage taken from different types is crucial for battles. Plan your team accordingly!

Weaknesses

4× Weakness

4×

Takes 4× damage from these types - extremely vulnerable!

Fighting

4×

Ground

4×

2× Weakness

2×

Takes double damage from these types - watch out!

Water

Resistances

¼× Resistance

¼×

Takes quarter damage from these types - excellent defense!

Normal

0.25×

Flying

0.25×

½× Resistance

½×

Takes half damage from these types - good defense!

0.5×

0.5×

0.5×

0.5×

0.5×

0.5×

Immunities

0×

Completely immune to these types - no damage taken!

Poison

Tip: Build your team with Pokémon that cover each other's weaknesses!

Full Type Defense Chart

Damage multipliers from all 18 attacking types

¼×

4×

¼×

0×

4×

½×

½×

1×

1×

1×

2×

1×

1×

½×

½×

½×

1×

½×

Battle Profile

Offensive Coverage

Super effective against these types with STAB moves

Strategic Insight

Bastiodon's rock/steel typing gives it 3 weaknesses but strong offensive coverage against flying, bug, fire, ice, rock, fairy types

Battle Strategy

Offensive Coverage

Flying

Bug

Fire

Ice

Rock

Fairy

Bastiodon's Rock / Steel typing gives it 3 weaknesses but strong offensive coverage against flying, bug, fire, ice, rock, fairy types

Recommended NaturesBased on stat distribution

Bold

+Defense−Attack

Impish

+Defense−Sp. Atk

Move Insights

High-signal moves surfaced from learnsets and move metadata, grouped by battle purpose.

Best STAB Options

Reliable same-type attacks that match this Pokémon's typing.

Iron Head

Learned at Lv. 52

Platinum

Steel

Power: 80Accuracy: 100PP: 15Physical

Has a chance to make the target flinch.

Coverage Picks

Off-type attacks that expand what this Pokémon can threaten.

Double-Edge

Learned at Lv. 47

Legends Arceus

Normal

Power: 120Accuracy: 100PP: 15Physical

User receives 1/3 the damage inflicted in recoil.

Blizzard

TM/TR Moves

X Y

Ice

Power: 110Accuracy: 70PP: 5SpecialFreeze

Has a chance to freeze the target.

Body Slam

TM/TR Moves

Scarlet Violet

Normal

Power: 85Accuracy: 100PP: 15PhysicalParalysis

Has a chance to paralyze the target.

Utility & Status

Support, disruption, and setup tools worth noticing.

Attract

TM/TR Moves

X Y

Normal

Accuracy: 100PP: 15StatusInfatuation

Target falls in love if it has the opposite gender, and has a 50% chance to refuse attacking the user.

Body Slam

TM/TR Moves

Scarlet Violet

Normal

Power: 85Accuracy: 100PP: 15PhysicalParalysis

Has a chance to paralyze the target.

Blizzard

TM/TR Moves

X Y

Ice

Power: 110Accuracy: 70PP: 5SpecialFreeze

Has a chance to freeze the target.

Stealth Rock

Learned at Lv. 37

Legends Arceus

Rock

PP: 20Status

Causes damage when opposing Pokémon switch in.

Related Guides & News

Guide

Evolution Strategies →

Guide

Stats & IVs Guide →

Related Pokémon

TCG Cards

View all Bastiodon trading cards and their competitive usage.

View Bastiodon TCG Cards →

Reference Data

Names in Other Languages

English	Bastiodon
Japanese	トリデプス
Japanese (Kanji)	トリデプス
Roomaji	Trideps
Korean	바리톱스
French	Bastiodon
German	Bollterus
Spanish	Bastiodon
Italian	Bastiodon
Chinese (Traditional)	護城龍
Chinese (Simplified)	护城龙

Sprite Gallery

Diamond Pearl

Bastiodon shiny sprite (Diamond Pearl) — Shiny

Bastiodon shiny back sprite (Diamond Pearl) — Shiny Back

Heartgold Soulsilver

Bastiodon shiny sprite (Heartgold Soulsilver) — Shiny

Bastiodon shiny back sprite (Heartgold Soulsilver) — Shiny Back

Platinum

Bastiodon shiny sprite (Platinum) — Shiny

Bastiodon shiny back sprite (Platinum) — Shiny Back

Pokédex Data

Height

1.3 m

Weight

149.5 kg

Type

Rock

Steel

Abilities

Prevents being KOed from full HP, leaving 1 HP instead. Protects against the one-hit KO moves regardless of HP.

Protects against sound-based moves.

Breeding Information

🥚

Egg Groups

Monster

⚧

Gender Ratio

♂

87.5%

♀

12.5%

🐣

Hatch Steps

7,650

Hatch Counter: 30

⚪

Capture Rate

Higher values mean easier to catch

❤️

Base Happiness

Initial friendship level

📈

Growth Rate

Slow Then Very Fast

Experience points needed to level up

Move Name

Block

block

Lv. 30

Metal Sound

metal-sound

Lv. 10

Protect

protect

Lv. 1

Tackle

tackle

Lv. 1

Taunt

taunt

Lv. 6

Ancient Power

ancient-power

Lv. 28

Iron Defense

iron-defense

Lv. 19

Rock Slide

rock-slide

Lv. 15

Take Down

take-down

Lv. 15

Iron Head

iron-head

Lv. 52

Swagger

swagger

Lv. 24

Earth Power

earth-power

Lv. 29

Endure

endure

Lv. 36

Stealth Rock

stealth-rock

Lv. 37

Metal Burst

metal-burst

Lv. 43

Double Edge

double-edge

Lv. 47

Heavy Slam

heavy-slam

Lv. 58

Pokédex Entries

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