What does Grubbin evolve into?

Grubbin becomes Charjabug at level 20, then Vikavolt using a Thunder Stone. Straight three-stage line with no branching.

At what level does Grubbin evolve?

Grubbin evolves into Charjabug at level 20. Early evolution, you'll hit it before the third gym in most games.

Should I use Grubbin?

For Sun & Moon, you can run Grubbin through the first few routes without issues. 300 BST won't carry you far though. Get it to Charjabug as fast as you can.

Where can you catch Grubbin?

Grubbin is catchable in Sun & Moon. Check the Locations section above for specific routes, encounter rates, and methods. It also appears in 3 other games across the series.

Grubbin - Weakness, Evolution, Moveset, EVs & Stats

Utility

Balanced

DTier

46Speed · Slow

Stats & Training

An unusually even spread gives Grubbin flexibility. Attack barely edges ahead. But Defense isn't far off. Easy to catch and follows a medium-fast 1M XP curve. Yields 1 Attack EV.

Base Stats

Avg

HP47

Attack62

Defense45

Sp. Atk55

Sp. Def45

Speed46

Total300

Details

Catch Rate

Guaranteed255 / 255

Growth Rate

Medium Fast1M XP

Height0.4 m

Weight4.4 kg

Base XP60

Abilities

Swarm

Strengthens bug moves to inflict 1.5× damage at 1/3 max HP or less.

EV Yield

HPAtk+1DefSpASpDSpe

Attack training source

Pokedex Entries

Its strong jaw enables it to scrape trees and slurp out the sap. It normally lives underground.

Grubbin Weakness

Grubbin is weak to Fire, Flying, and Rock. Standard number of weaknesses for the Bug typing.

Grubbin Weakness and Resistance Chart
Damage	Types
2x (Weak)	Fire, Flying, Rock
0.5x (Resist)	Grass, Fighting, Ground

Type ChartAvg

3Weak

3Resist

0Immune

Score-3

4xCritical

None

2xWeak

Fire Flying Rock

½xResist

Grass Fighting Ground

¼xResist

None

0xImmune

None

STAB (3)

Grass Psychic Dark

How to Beat Grubbin in Sun & Moon (Best Counters)

Butterfree BugFlying	C
Available Move Moves GustLv. 1 Damage vs Grubbin Gust 2x 64-77% View Butterfree builds →
Rowlet GrassFlying	D
Obtain MethodIki Town Gift Available Move Moves PeckLv. 8 Damage vs Grubbin Peck 2x 44-54% View Rowlet builds →
Litten Fire	D
Obtain MethodIki Town Gift Available Move Moves EmberLv. 1 Damage vs Grubbin Ember 2x 51-62% View Litten builds →
Wingull WaterFlying	D
Obtain MethodRoute 1 Surfing Available Move Moves Wing AttackLv. 8 Damage vs Grubbin Wing Attack 2x 51-62% View Wingull builds →
Pikipek NormalFlying	D
Available Move Moves PeckLv. 1 Damage vs Grubbin Peck 2x 51-62% View Pikipek builds →

Sun & Moon Evolution

Three stages ahead. Grubbin grows into Charjabug, then pushes on to Vikavolt. Check the evolution methods below. For breeding, quick to hatch with plenty of partners via one egg group. Evolving adds up to 200 stat points total. View every chain in the Evolution Chart.

How to Evolve

3 Forms

#736Grubbin

Level 20

#737Charjabug

Thunder Stone

#738Vikavolt

Stat Comparison 3 Stages

Grubbin

Bug

Charjabug

BugElectric

Vikavolt

BugElectric

57+10

77+20

ATK

82+20

70-12

DEF

95+50

90-5

SP.ATK

145+90

SP.DEF

75+30

SPE

36-10

43+7

BST

300D-Tier

400D-Tier+100

500B-Tier+100

ROLE

Balanced

Trick Room

Wallbreaker

TYPE

Utility

Physical

Special

Breeding

Very Easy

Breed Grubbin easily with 77 breeding partners from the Bug egg group. Pass egg moves like Electroweb, Endure, Harden and 1 more to offspring.

Egg Groups

Bug

Gender

♂50.0%♀50.0%

Hatch Time

15 cycles·3,855 steps

Quick~4 min with Flame Body

Egg Moves

4moves

Breed With (best first)

Sun & Moon Grubbin Best Moveset

Best Build

No build content available for this Pokemon in Gen 7.

Try selecting a different game/generation filter, or check back later.

Moves

Breeding opens up real options for Grubbin. Electroweb and Endure come exclusively from egg moves, and they're worth the effort. The rest of the kit covers basics through X-Scissor and Bug Bite and Normal and Ground coverage and more.

Level-Up Moves

Lv 1

Vise Grip

—5510030Normal

Lv 4

String Shot

——9540Bug

Lv 7

Mud-Slap

D2010010Ground

Lv 10

Bite

D6010025Dark

Lv 13

Bug Bite

D6010020Bug

Lv 16

Spark

—6510020Electric

Lv 19

Acrobatics

D5510015Flying

Lv 22

Crunch

D8010015Dark

Lv 25

X-Scissor

C8010015Bug

Lv 28

Dig

D8010010Ground

TM Moves

TM62

Acrobatics

D5510015Flying

TM45

Attract

C—10015Normal

TM57

Charge Beam

D509010Electric

TM100

Confide

D——20Normal

TM32

Double Team

———15Normal

TM42

Facade

D7010020Normal

TM21

Frustration

D—10020Normal

TM10

Hidden Power

—6010015Normal

TM16

Light Screen

C——30Psychic

TM84

Poison Jab

D8010020Poison

TM17

Protect+4

C——10Normal

TM18

Rain Dance

C——5Water

TM44

Rest

C——10Psychic

TM27

Return

D—10020Normal

TM48

Round

D6010015Normal

TM88

Sleep Talk

C——10Normal

TM90

Substitute

C——10Normal

TM87

Swagger

D—8515Normal

TM73

Thunder Wave

C—9020Electric

TM24

Thunderbolt

D9010015Electric

TM06

Toxic

C—9010Poison

TM72

Volt Switch

D7010020Electric

TM93

Wild Charge

D9010015Electric

TM81

X-Scissor

C8010015Bug

Egg Moves

Egg

Electroweb

D559515Electric

Egg

Endure+4

C——10Normal

Egg

Harden

D——30Normal

Egg

Mud Shot

—559515Ground

Tutor Moves

Grubbin can't learn any Tutor moves

Sun & Moon Grubbin Locations

10 encounter spots for Grubbin at moderate rates starting from early-game routes. Best and Earliest sort options below help narrow down your approach based on odds vs. Accessibility.

Best Locations to Catch Grubbin in Sun & Moon

Before you go hunting for Grubbin, check which of the 10 spots belong to your version. Moon and Sun each have different walking encounters at Lv. 3-17.

Route 1 - West

MoonGrass Lv.3-5 Route

10%Early

Route 1 - West

SunGrass Lv.3-5 Route

10%Early

Route 4

MoonGrass Lv.11-14 Route

10%Early

Route 4

SunGrass Lv.11-14 Route

10%Early

Route 5

SunGrass Lv.13-16 Route

10%Early

Route 5

MoonGrass Lv.13-16 Route

10%Early

Route 6 - North

SunGrass Lv.14-17 Route

10%Early

Route 6 - North

MoonGrass Lv.14-17 Route

10%Early

Route 6 - South

SunGrass Lv.14-17 Route

10%Early

Route 6 - South

MoonGrass Lv.14-17 Route

10%Early

Grubbin Guide

Grubbin becomes Charjabug at level 20, then Vikavolt using a Thunder Stone. Straight three-stage line with no branching.
Grubbin evolves into Charjabug at level 20. Early evolution, you'll hit it before the third gym in most games.
For Sun & Moon, you can run Grubbin through the first few routes without issues. 300 BST won't carry you far though. Get it to Charjabug as fast as you can.
Grubbin is catchable in Sun & Moon. Check the Locations section above for specific routes, encounter rates, and methods. It also appears in 3 other games across the series.

Game Availability

Grubbin joined the series in Sun & Moon and has been available in 4 titles so far. With 4 generations of appearances, it's established itself despite the later start.

Click a game to view version-specific details

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Volcarona BugFire	A
Recommended Build AbilityFlame Body ItemLeftovers NatureTimid Moves Quiver Dance Bug Buzz Hidden Power Ground Giga Drain Damage vs Grubbin Giga Drain 34-40% View Volcarona builds →
Gliscor GroundFlying	B
Recommended Build AbilityPoisonheal ItemToxic Orb NatureJolly Moves EarthquakeSTAB RoostRecovery DefogUtility ToxicUtility Damage vs Grubbin Earthquake 41-49% View Gliscor builds →
Terrakion RockFighting	B
Recommended Build AbilityJustified ItemChoice Band NatureJolly Moves Close Combat Stone Edge Earthquake Swords Dance Damage vs Grubbin Close Combat 117-137%KO Stone Edge 2x 388-457%KO Earthquake 65-76% View Terrakion builds →
Arcanine Fire	C
Recommended Build AbilityIntimidate ItemChoice Band NatureJolly Moves Flare Blitz Extreme Speed Wild Charge Close Combat Damage vs Grubbin Flare Blitz 2x 417-490%KO Extreme Speed 92-109%KO Wild Charge 104-123%KO Close Combat 69-82% View Arcanine builds →
Staraptor NormalFlying	C
Recommended Build AbilityIntimidate ItemChoice Scarf NatureHardy Moves Brave Bird U Turn Close Combat Final Gambit Damage vs Grubbin U Turn 58-68% Close Combat 49-58% View Staraptor builds →