Is Groudon-Primal viable in Gen 6 Pure Hackmons?

Groudon-Primal is ranked #2 in Gen 6 Pure Hackmons with 44.99% usage according to Smogon Jul 2026 - Sep 2026 data.

What beats Groudon-Primal in Gen 6 Pure Hackmons?

Mewtwo-Mega-X has the strongest conservative score in this observed Jul 2026 - Sep 2026 sample. The target was knocked out or switched out in 58.2% of 121.97632872764157 relevant encounters. Standard error is 4.5 points. Sets and switch conditions can change the result.

How are Groudon-Primal matchup checks ranked in Gen 6 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 6 Pure Hackmons · Smogon source period Jul 2026 - Sep 2026

#0383 Groudon-Primal

GroundFire

USAGE 45.0% #2

ABILITYMold Breaker

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

Thousand Arrows 75.0% Extreme Speed 45.2% V-create 31.2% Pursuit 27.2% Shell Smash 22.7% Close Combat 22.1% Precipice Blades 13.6% King's Shield 13.5%

Items

Leftovers 20.3% Choice Scarf 20.2% Safety Goggles 16.2% Muscle Band 8.9% Choice Band 7.8% Focus Sash 7.2% Lum Berry 5.0% Mental Herb 5.0%

Abilities

Mold Breaker36.3%Turboblaze21.6%Wonder Guard20.2%Huge Power10.3%Shadow Tag5.9%Teravolt3.0%Arena Trap0.8%Pure Power0.7%

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

Mewtwo-Mega-X

PsychicFighting OFFENSIVE CHECK View matchup

121.976

40.3

58.2% Standard error 4.47 points

DAMAGE CALC

252+ Atk Expert Belt Huge Power Mewtwo-Mega-X Bonemerang (2 hits) vs. 252 HP / 0 Def Groudon-Primal: 514-604 (127.2 - 149.5%) -- guaranteed OHKO

View Mewtwo-Mega-X counters →

Gyarados-Mega

WaterDark OFFENSIVE CHECK View matchup

24.46

39.1

74.4% Standard error 8.83 points

DAMAGE CALC

0- Atk Huge Power Gyarados-Mega Water Shuriken (3 hits) vs. 252 HP / 0 Def Groudon-Primal: 360-432 (89.1 - 106.9%) -- 14.4% chance to OHKO

View Gyarados-Mega counters →

Kyogre-Primal

Water OFFENSIVE CHECK View matchup

63.84

33.4

58.1% Standard error 6.18 points

DAMAGE CALC

252+ SpA Kyogre-Primal Steam Eruption vs. 252 HP / 252+ SpD Groudon-Primal: 780-924 (193 - 228.7%) -- guaranteed OHKO

View Kyogre-Primal counters →

Rayquaza-Mega

DragonFlying OFFENSIVE CHECK View matchup

27.961

29.2

65.2% Standard error 9.01 points

DAMAGE CALC

252+ SpA Rayquaza-Mega Oblivion Wing vs. 252 HP / 252+ SpD Groudon-Primal: 142-168 (35.1 - 41.5%) -- 75.8% chance to 3HKO after Leftovers recovery

View Rayquaza-Mega counters →

Giratina

GhostDragon SOFT CHECK View matchup

113.76

27.0

45.7% Standard error 4.67 points

Groudon-Primal

GroundFire SOFT CHECK View matchup

51.359

20.8

48.7% Standard error 6.97 points

DAMAGE CALC

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

View Groudon-Primal counters →

Deoxys-Speed

Psychic SOFT CHECK View matchup

45.763

20.3

49.8% Standard error 7.39 points

Swampert-Mega

WaterGround SOFT CHECK View matchup

20.268

7.2

51.6% Standard error 11.10 points

DAMAGE CALC

252+ Atk Swampert-Mega Thousand Arrows vs. 252 HP / 0 Def Groudon-Primal: 240-284 (59.4 - 70.2%) -- guaranteed 2HKO after Leftovers recovery

View Swampert-Mega counters →

Regigigas

Normal SOFT CHECK View matchup

22.075

5.0

47.5% Standard error 10.63 points

DAMAGE CALC

252+ Atk Huge Power Regigigas Bonemerang (2 hits) vs. 252 HP / 0 Def Groudon-Primal: 372-440 (92 - 108.9%) -- 55.1% chance to OHKO

View Regigigas counters →

Xerneas

Fairy SOFT CHECK View matchup

55.331

3.9

28.1% Standard error 6.04 points

DAMAGE CALC

252+ SpA Xerneas Judgment vs. 252 HP / 252+ SpD Groudon-Primal: 93-110 (23 - 27.2%) -- possible 5HKO

View Xerneas counters →

Slaking

Normal SOFT CHECK View matchup

23.628

-1.4

38.7% Standard error 10.02 points

DAMAGE CALC

252+ Atk Slaking Extreme Speed vs. 252 HP / 0 Def Groudon-Primal: 111-132 (27.4 - 32.6%) -- 68.4% chance to 4HKO after Leftovers recovery

View Slaking counters →

Mewtwo-Mega-Y

Psychic SOFT CHECK View matchup

25.116

-3.1

34.9% Standard error 9.51 points

DAMAGE CALC

252+ SpA Mewtwo-Mega-Y Boomburst vs. 252 HP / 252+ SpD Groudon-Primal: 175-207 (43.3 - 51.2%) -- guaranteed 3HKO after Leftovers recovery

View Mewtwo-Mega-Y counters →

Ranked #2 with 44.99% usage. Sorted by conservative score.