#0438 · Gen 4 · 290 BST

Bonsly

RockNone SturdyRock HeadRattled

A starter-form Rock-type Pokémon from Generation 4 with solid 95 base Defense. Common ability: Sturdy.

Base stats

HP 50

Attack 80

Defense 95

Sp. Atk 10

Sp. Def 45

Speed 10

Level 50, min EVs/IVs, − nature

125/90/103/27/58/27

Level 50, 252 EVs, 31 IVs, + nature

157/145/161/68/106/68

Abilities

Sturdy

It cannot be knocked out with one hit. One-hit KO moves cannot knock it out, either.

Rock Head

Rattled

Dark-, Ghost-, and Bug-type moves scare the Pokémon and boost its Speed stat.

Type effectiveness

Takes 2× damage from

WaterGrassFightingGroundSteel

Takes ½× damage from

NormalFirePoisonFlying

Use the type chart for the full 18×18 matchup grid.

About Bonsly

Bonsly is a Rock/None-type Pokémon from Generation 4 with a Base Stat Total of 290. A starter-form Rock-type Pokémon from Generation 4 with solid 95 base Defense. Common ability: Sturdy.

Best stat: Defense (95 base)

Bonsly's standout stat informs its competitive role. With 80 base Attack and 10 base Speed, the standard offensive set will invest 252 EVs into Attack and 252 into Speed — though its low Speed often warrants Trick Room support instead.

Abilities

Sturdy
Rock Head
Rattled

How to use Bonsly competitively

Open the damage calculator with Bonsly selected to test offensive matchups. For an EV spread that hits key benchmarks, use the EV calculator — Bonsly appears in the species dropdown. Drop Bonsly into the team builder to check coverage with five teammates.

Pokédex data summary

National Dex #	#0438
Generation	Gen 4
Type	Rock / None
Abilities	Sturdy, Rock Head, Rattled
Base Stat Total	290
HP / Atk / Def / SpA / SpD / Spe	50 / 80 / 95 / 10 / 45 / 10