Utility
Balanced
300Low
46Slow
DTier

Grubbin sits at the start of its evolution line — not yet at full power, but that changes fast. Most trainers push through to Vikavolt as fast as possible. Introduced in Gen 7. Only weak to Fire, Flying, and Rock.

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
300Avg
HP47
D
Attack62
C
Defense45
D
Sp. Atk55
D
Sp. Def45
D
Speed46
D
Total300
Low <60
Avg 60-89
High 90-149
Top 150+
EV YieldDefeating Grubbin yields +1 Atk
HPAtk+1DefSpASpDSpe
Details
Catch255GuaranteedMedium Fast1M XP0.4m / 1'04"4.4kg / 9.7 lbs60Base XP
Pokedex Entries

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

Sun

They often gather near places frequented by electric Pokémon in order to avoid being attacked by bird Pokémon.

Moon

Grubbin Weakness

Avg

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

4xCriticali
None
¼xResisti
None
0xImmunei
None
3Weak
3Resist
0Immune
Scorei-3
Stealth Rock25% on switch
SpikesGrounded — up to 25%
Toxic SpikesVulnerable
Abilities
SwarmStrengthens bug moves to inflict 1.5× damage at 1/3 max HP or less.

Three stages ahead. Grubbin grows into Charjabug, then pushes on to Vikavolt. Check the evolution methods below. For breeding, quick to hatch with no compatible partners via one egg group. Evolving adds up to 200 stat points total.

How to Evolve

3 Forms
Stat Comparison 3 Stages
Grubbin
Bug
Charjabug
BugElectric
Vikavolt
BugElectric
HP
47
57+10
77+20
ATK
62
82+20
70-12
DEF
45
95+50
90-5
SP.ATK
55
55
145+90
SP.DEF
45
75+30
75
SPE
46
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 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

Best Build

No build content available for this Pokemon in Gen 7.

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

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
2010010Ground
Lv 10
Bite
6010025Dark
Lv 13
Bug Bite
6010020Bug
Lv 16
Spark
6510020Electric
Lv 19
Acrobatics
5510015Flying
Lv 22
Crunch
8010015Dark
Lv 25
X-Scissor
8010015Bug
Lv 28
Dig
8010010Ground

TM Moves

Src
TM62
Acrobatics
5510015Flying
TM45
Attract
10015Normal
TM57
Charge Beam
509010Electric
TM100
Confide
20Normal
TM32
Double Team
15Normal
TM42
Facade
7010020Normal
TM21
Frustration
10020Normal
TM10
Hidden Power
6010015Normal
TM16
Light Screen
30Psychic
TM84
Poison Jab
8010020Poison
TM17
Protect+4
10Normal
TM18
Rain Dance
5Water
TM44
Rest
10Psychic
TM27
Return
10020Normal
TM48
Round
6010015Normal
TM88
Sleep Talk
10Normal
TM90
Substitute
10Normal
TM87
Swagger
8515Normal
TM73
Thunder Wave
9020Electric
TM24
Thunderbolt
9010015Electric
TM06
Toxic
9010Poison
TM72
Volt Switch
7010020Electric
TM93
Wild Charge
9010015Electric
TM81
X-Scissor
8010015Bug

Egg Moves

Src
Egg
Electroweb
559515Electric
Egg
Endure+4
10Normal
Egg
Harden
30Normal
Egg
Mud Shot
559515Ground

Tutor Moves

Grubbin can't learn any Tutor moves

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

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
MoonGrassLv.3-510%EarlyRoute
MODERATE
Route 1 - West
SunGrassLv.3-510%EarlyRoute
MODERATE
Route 4
MoonGrassLv.11-1410%EarlyRoute
MODERATE
Route 4
SunGrassLv.11-1410%EarlyRoute
MODERATE
Route 5
SunGrassLv.13-1610%EarlyRoute
MODERATE
Route 5
MoonGrassLv.13-1610%EarlyRoute
MODERATE
Route 6 - North
SunGrassLv.14-1710%EarlyRoute
MODERATE
Route 6 - North
MoonGrassLv.14-1710%EarlyRoute
MODERATE
Route 6 - South
SunGrassLv.14-1710%EarlyRoute
MODERATE
Route 6 - South
MoonGrassLv.14-1710%EarlyRoute
MODERATE
  • Grubbin is meant to evolve into Charjabug. At 300 BST, the stats aren't there for competitive play yet. Pre-evolution Pokemon rarely hold up against fully evolved threats.

  • Grubbin's biggest threats include Arcanine (Fire), Talonflame (Flying), and Golem (Rock), all carrying super-effective STAB moves.

  • Grubbin evolves into Charjabug at level 20. Grubbin is the base form in a 3-stage evolutionary line.

  • Swarm is the go-to ability for Grubbin. It strengthens bug moves to inflict 1.5× damage at 1/3 max HP or less. It's Grubbin's only ability.

  • Base 46 Speed is low. Priority moves or Trick Room are the way to go. On offense, Grubbin is leaning toward the physical side (base 62 Attack). Defensively? Fragile — can't afford to take many hits.

  • Grubbin can be found in Scarlet & Violet, Sword & Shield, Sun & Moon, and Ultra Sun & Ultra Moon.

Grubbin joined the series in Sun & Moon and has been available in 4 titles so far. With 3 generations of appearances, it's established itself despite the later start.