Is Groudon-Primal viable in Gen 9 Pure Hackmons?

Groudon-Primal is ranked #6 in Gen 9 Pure Hackmons with 35.85% usage according to Smogon Aug 2026 - Sep 2026 data.

What beats Groudon-Primal in Gen 9 Pure Hackmons?

Arceus-Water has the strongest conservative score in this observed Aug 2026 - Sep 2026 sample. The target was knocked out or switched out in 51.1% of 73.94586642737839 relevant encounters. Standard error is 5.8 points. Sets and switch conditions can change the result.

How are Groudon-Primal matchup checks ranked in Gen 9 Pure Hackmons?

They are ranked by p minus four standard errors. Here, p is the observed fraction of relevant encounters where Groudon-Primal was knocked out or switched out. This is not a set-specific battle guarantee.

Groudon-Primal counters

Gen 9 Pure Hackmons · Smogon source period Aug 2026 - Sep 2026

#0383 Groudon-Primal

GroundFire

USAGE 35.8% #6

ABILITYNeutralizing Gas

BASE STATS

HP 100

ATK 180

DEF 160

SPA 150

SPD 90

SPE 90

BST770

TYPE MATCHUPS

4×

Water

2×

Ground

½×

FirePoisonBugSteelFairy

0×

Electric

Moves

Bitter Blade 64.5% Magic Room 63.5% Headlong Rush 57.2% Shell Smash 47.9% Victory Dance 30.9% Corrosive Gas 18.7% Bolt Strike 14.5% V-create 8.9%

Items

Leftovers 37.5% Safety Goggles 16.0% Lum Berry 13.2% Mental Herb 11.9% Ability Shield 5.8% White Herb 3.7% Heavy-Duty Boots 2.9% Bright Powder 2.2%

Abilities

Neutralizing Gas83.0%Wonder Guard7.1%Contrary1.7%Triage1.3%Shadow Tag1.2%Sturdy1.1%Mold Breaker0.9%Prankster0.8%

Tera Types

Fire 20.8% Flying 18.8% Water 15.7% Ground 13.4% Grass 12.4% Normal 6.6% Ghost 3.8% Stellar 3.3%

Common Teammates

Leading observed checks

Open a matchup for a separate set-based damage estimate, or browse uploaded teams with both Pokémon.

Checks & Counters

Observed target KO or switch rate is upstream p: the fraction of relevant encounters where the target was knocked out or switched out. Standard error is upstream d. The conservative score is p − 4d. These ladder observations do not prove a set-specific counter.

How to read this table

Use encounter count and standard error to judge the sample. Damage estimates below use inferred sets and remain separate from the observed ladder metric.

# Checker Encounters Conservative score Target KO or switch rate

Arceus-Water

Water SOFT CHECK View matchup

73.946

27.9

51.1% Standard error 5.81 points

DAMAGE CALC

252+ Atk Ability Shield Arceus-Water Surging Strikes (3 hits) vs. 252 HP / 0 Def Neutralizing Gas Groudon-Primal on a critical hit: 504-612 (124.7 - 151.4%) -- guaranteed OHKO

View Arceus-Water counters →

Mewtwo-Mega-X

PsychicFighting OFFENSIVE CHECK View matchup

38.966

26.7

58.3% Standard error 7.90 points

DAMAGE CALC

0- Atk Ability Shield Huge Power Mewtwo-Mega-X Jet Punch vs. 252 HP / 0 Def Neutralizing Gas Groudon-Primal: 360-428 (89.1 - 105.9%) -- 37.5% chance to OHKO

View Mewtwo-Mega-X counters →

Arceus

Normal SOFT CHECK View matchup

47.221

20.5

49.6% Standard error 7.28 points

DAMAGE CALC

252+ SpA Arceus Boomburst vs. 252 HP / 252+ SpD Groudon-Primal: 183-216 (45.2 - 53.4%) -- 1.2% chance to 2HKO after Leftovers recovery

View Arceus counters →

Groudon-Primal

GroundFire SOFT CHECK View matchup

50.832

19.4

47.4% Standard error 7.00 points

DAMAGE CALC

252+ Atk Groudon-Primal Headlong Rush vs. 252 HP / 0 Def Groudon-Primal: 366-432 (90.5 - 106.9%) -- 43.8% chance to OHKO

View Groudon-Primal counters →

Kartana

GrassSteel SOFT CHECK View matchup

54.726

16.7

43.5% Standard error 6.70 points

DAMAGE CALC

252+ Atk Ability Shield Kartana Jet Punch vs. 252 HP / 0 Def Neutralizing Gas Groudon-Primal: 248-292 (61.3 - 72.2%) -- guaranteed 2HKO after Leftovers recovery

View Kartana counters →

Calyrex-Shadow

PsychicGhost SOFT CHECK View matchup

45.041

15.9

45.6% Standard error 7.42 points

DAMAGE CALC

252+ SpA Ability Shield Calyrex-Shadow Moongeist Beam vs. 252 HP / 252+ SpD Neutralizing Gas Groudon-Primal: 166-196 (41 - 48.5%) -- guaranteed 3HKO after Leftovers recovery

View Calyrex-Shadow counters →

Blissey

Normal SOFT CHECK View matchup

72.929

9.5

31.2% Standard error 5.43 points

Regieleki

Electric SOFT CHECK View matchup

93.028

6.7

24.5% Standard error 4.46 points

Sableye-Mega

DarkGhost SOFT CHECK View matchup

25.496

2.5

41.5% Standard error 9.76 points

DAMAGE CALC

0- Atk Ability Shield Sableye-Mega Foul Play vs. 252 HP / 0 Def Neutralizing Gas Groudon-Primal: 102-121 (25.2 - 29.9%) -- 0.1% chance to 4HKO after Leftovers recovery

View Sableye-Mega counters →

Arceus-Dark

Dark SOFT CHECK View matchup

23.788

-2.8

36.8% Standard error 9.89 points

DAMAGE CALC

0- SpA Arceus-Dark Judgment vs. 252 HP / 252+ SpD Groudon-Primal: 59-70 (14.6 - 17.3%) -- possible 9HKO

View Arceus-Dark counters →

Eternatus

PoisonDragon SOFT CHECK View matchup

26.056

-3.8

33.1% Standard error 9.22 points

DAMAGE CALC

252+ Atk Ability Shield Eternatus Stone Axe vs. 252 HP / 0 Def Neutralizing Gas Groudon-Primal: 39-47 (9.6 - 11.6%)

View Eternatus counters →

Giratina

GhostDragon SOFT CHECK View matchup

27.017

-7.4

26.5% Standard error 8.50 points

Ranked #6 with 35.85% usage. Sorted by conservative score.