Is Groudon-Primal viable in Gen 6 Pure Hackmons?

Groudon-Primal is ranked #4 in Gen 6 Pure Hackmons with 40.19% usage according to Smogon May 2026 - Jul 2026 data.

What beats Groudon-Primal in Gen 6 Pure Hackmons?

Rayquaza-Mega has the strongest conservative score in this observed May 2026 - Jul 2026 sample. The target was knocked out or switched out in 67.0% of 87.67544803134841 relevant encounters. Standard error is 7.0 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 · Sorted by p − 4 standard errors · Smogon source period May 2026 - Jul 2026 · Generated 2026-08-05

#0383 Groudon-Primal

GroundFire

USAGE 40.2% #4

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 66.8% Extreme Speed 37.9% V-create 36.8% Shell Smash 30.2% King's Shield 15.1% Pursuit 13.5% Precipice Blades 12.6% Sacred Fire 12.3%

Items

Choice Scarf 21.3% Leftovers 17.0% Choice Band 15.9% Safety Goggles 9.7% Focus Sash 9.0% Mental Herb 8.4% Shed Shell 5.7% Lum Berry 5.5%

Abilities

Mold Breaker51.2%Wonder Guard22.1%Shadow Tag7.8%Turboblaze7.5%Huge Power5.8%Teravolt1.8%Prankster1.3%Magic Bounce0.7%

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

Rayquaza-Mega

DragonFlying OFFENSIVE CHECK View matchup

87.675

39.0

67.0% Standard error 6.99 points

DAMAGE CALC

252+ SpA Rayquaza-Mega Oblivion Wing vs. 252 HP / 252+ SpD Groudon-Primal: 142-168 (35.1 - 41.5%) -- guaranteed 3HKO

View Rayquaza-Mega counters →

Lopunny-Mega

NormalFighting OFFENSIVE CHECK View matchup

25.38

34.2

70.4% Standard error 9.06 points

DAMAGE CALC

252+ Atk Lopunny-Mega Knock Off (97.5 BP) vs. 252 HP / 0 Def Groudon-Primal: 80-95 (19.8 - 23.5%) -- possible 5HKO

View Lopunny-Mega counters →

Mewtwo-Mega-X

PsychicFighting OFFENSIVE CHECK View matchup

172.672

33.3

58.2% Standard error 6.24 points

DAMAGE CALC

252+ Atk Huge Power Mewtwo-Mega-X Bonemerang (2 hits) vs. 252 HP / 0 Def Groudon-Primal: 428-504 (105.9 - 124.7%) -- guaranteed OHKO

View Mewtwo-Mega-X counters →

Chansey

Normal DEFENSIVE CHECK View matchup

34.978

32.8

65.1% Standard error 8.06 points

DAMAGE CALC

252+ Atk Groudon-Primal V-create vs. 252 HP / 252+ Def Eviolite Chansey: 547-645 (77.6 - 91.6%) -- guaranteed 2HKO

View Chansey counters →

Gyarados-Mega

WaterDark SOFT CHECK View matchup

53.985

27.5

54.6% Standard error 6.78 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 SOFT CHECK View matchup

58.679

26.1

52.2% Standard error 6.52 points

DAMAGE CALC

252+ SpA Kyogre-Primal Scald vs. 252 HP / 252+ SpD Groudon-Primal: 568-672 (140.5 - 166.3%) -- guaranteed OHKO

View Kyogre-Primal counters →

Giratina

GhostDragon SOFT CHECK View matchup

170.318

25.3

51.4% Standard error 6.51 points

Groudon-Primal

GroundFire SOFT CHECK View matchup

102.914

20.7

47.7% Standard error 6.75 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 →

Regigigas

Normal SOFT CHECK View matchup

71.325

18.3

51.1% Standard error 8.20 points

DAMAGE CALC

252+ Atk Regigigas Water Shuriken (3 hits) vs. 252 HP / 0 Def Groudon-Primal: 180-216 (44.5 - 53.4%) -- 6% chance to 2HKO

View Regigigas counters →

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

View Swampert-Mega counters →

Deoxys-Speed

Psychic SOFT CHECK View matchup

74.022

5.1

44.9% Standard error 9.94 points

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%) -- guaranteed 4HKO

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%) -- 5.9% chance to 2HKO

View Mewtwo-Mega-Y counters →

Xerneas

Fairy SOFT CHECK View matchup

69.651

-3.7

25.4% Standard error 7.28 points

DAMAGE CALC

252+ SpA Xerneas Judgment vs. 252 HP / 252+ SpD Groudon-Primal: 93-110 (23 - 27.2%) -- 55.8% chance to 4HKO

View Xerneas counters →

Arceus

Normal SOFT CHECK View matchup

28.129

-4.6

29.9% Standard error 8.63 points

Sableye-Mega

DarkGhost SOFT CHECK View matchup

21.698

-5.7

35.3% Standard error 10.26 points

Gengar-Mega

GhostPoison SOFT CHECK View matchup

28.145

-7.4

25.4% Standard error 8.21 points

DAMAGE CALC

252+ SpA Spooky Plate Gengar-Mega Judgment vs. 252 HP / 252+ SpD Groudon-Primal: 204-240 (50.4 - 59.4%) -- guaranteed 2HKO

View Gengar-Mega counters →

Audino-Mega

NormalFairy SOFT CHECK View matchup

22.966

-9.8

27.4% Standard error 9.31 points

DAMAGE CALC

252+ SpA Audino-Mega Moonblast vs. 252 HP / 252+ SpD Groudon-Primal: 48-57 (11.8 - 14.1%) -- possible 8HKO

View Audino-Mega counters →

Ranked #4 with 40.19% usage. Sorted by conservative score.