Is Eternatus viable in Gen 9 Pure Hackmons?

Eternatus is ranked #9 in Gen 9 Pure Hackmons with 17.50% usage according to Smogon Aug 2026 - Sep 2026 data.

What beats Eternatus in Gen 9 Pure Hackmons?

Arceus has the strongest conservative score in this observed Aug 2026 - Sep 2026 sample. The target was knocked out or switched out in 81.9% of 39.71928551846561 relevant encounters. Standard error is 6.1 points. Sets and switch conditions can change the result.

How are Eternatus 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 Eternatus was knocked out or switched out. This is not a set-specific battle guarantee.

Eternatus counters

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

#0890 Eternatus

PoisonDragon

USAGE 17.5% #9

ABILITYRegenerator

BASE STATS

HP 140

ATK 85

DEF 95

SPA 145

SPD 95

SPE 130

BST690

TYPE MATCHUPS

2×

IceGroundPsychicDragon

½×

FireWaterElectricFightingPoisonBug

¼×

Grass

Moves

Shed Tail 51.5% Revival Blessing 47.8% Tidy Up 30.0% Burning Bulwark 28.2% Lunar Dance 26.8% Stone Axe 24.9% Trick 21.8% Roar 20.6%

Items

Ability Shield 60.2% Choice Scarf 14.4% Leftovers 9.1% Mental Herb 7.8% Black Sludge 2.9% Safety Goggles 2.1% Lum Berry 1.7% Leppa Berry 0.7%

Abilities

Regenerator46.4%Magic Bounce27.3%Neutralizing Gas11.4%Infiltrator6.8%Wonder Guard2.1%Prankster1.6%Shadow Tag1.1%No Guard1.0%

Tera Types

Normal 25.3% Fairy 15.6% Grass 12.6% Dark 9.6% Ghost 8.4% Electric 6.8% Poison 6.5% Flying 5.2%

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

Normal DEFENSIVE CHECK View matchup

39.719

57.4

81.9% Standard error 6.11 points

DAMAGE CALC

252+ Atk Ability Shield Eternatus Stone Axe vs. 252 HP / 252+ Def Neutralizing Gas Arceus: 38-45 (8.5 - 10.1%)

View Arceus counters →

Calyrex-Shadow

PsychicGhost OFFENSIVE CHECK View matchup

21.653

35.3

73.3% Standard error 9.50 points

DAMAGE CALC

252+ SpA Calyrex-Shadow Photon Geyser vs. 252 HP / 252+ SpD Eternatus: 320-378 (66.1 - 78%) -- guaranteed 2HKO

View Calyrex-Shadow counters →

Regieleki

Electric OFFENSIVE CHECK View matchup

56.545

29.4

55.8% Standard error 6.60 points

Kartana

GrassSteel OFFENSIVE CHECK View matchup

23.953

25.9

64.9% Standard error 9.75 points

DAMAGE CALC

252+ Atk Kartana Sunsteel Strike vs. 252 HP / 0 Def Eternatus: 241-285 (49.7 - 58.8%) -- 99.6% chance to 2HKO

View Kartana counters →

Groudon-Primal

GroundFire OFFENSIVE CHECK View matchup

26.056

20.1

58.7% Standard error 9.65 points

DAMAGE CALC

252+ Atk Neutralizing Gas Groudon-Primal Headlong Rush vs. 252 HP / 0 Def Ability Shield Eternatus: 576-678 (119 - 140%) -- guaranteed OHKO

View Groudon-Primal counters →

Blissey

Normal SOFT CHECK View matchup

34.543

9.6

43.4% Standard error 8.43 points

Arceus-Water

Water SOFT CHECK View matchup

22.259

3.9

46.1% Standard error 10.57 points

DAMAGE CALC

252+ Atk Arceus-Water Surging Strikes (3 hits) vs. 252 HP / 0 Def Eternatus on a critical hit: 99-120 (20.4 - 24.7%) -- guaranteed 5HKO

View Arceus-Water counters →

Ranked #9 with 17.50% usage. Sorted by conservative score.