Is Eternatus viable in Gen 9 Balanced Hackmons?

Eternatus is ranked #4 in Gen 9 Balanced Hackmons with 30.02% usage according to Smogon Jul 2026 - Sep 2026 data.

What beats Eternatus in Gen 9 Balanced Hackmons?

Groudon-Primal has the strongest conservative score in this observed Jul 2026 - Sep 2026 sample. The target was knocked out or switched out in 54.3% of 99.78704615078729 relevant encounters. Standard error is 5.0 points. Sets and switch conditions can change the result.

How are Eternatus matchup checks ranked in Gen 9 Balanced 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 Balanced Hackmons · Smogon source period Jul 2026 - Sep 2026

#0890 Eternatus

PoisonDragon

USAGE 30.0% #4

ABILITYMagic Bounce

BASE STATS

HP 140

ATK 85

DEF 95

SPA 145

SPD 95

SPE 130

BST690

TYPE MATCHUPS

2×

IceGroundPsychicDragon

½×

FireWaterElectricFightingPoisonBug

¼×

Grass

Moves

Dragon Energy 61.3% Strength Sap 22.1% Recover 21.5% Thunder Cage 20.7% Clear Smog 20.2% Volt Switch 19.2% Final Gambit 18.0% Taunt 16.7%

Items

Black Sludge 52.8% Ability Shield 9.1% Choice Scarf 6.9% Draco Plate 6.3% Heavy-Duty Boots 3.2% Throat Spray 2.8% Assault Vest 2.8% Air Balloon 2.5%

Abilities

Magic Bounce26.0%Regenerator24.9%Earth Eater8.5%Levitate6.4%Ice Scales5.9%Unburden3.5%Fur Coat3.3%Unaware3.2%

Common Teammates

Browse Gen 9 Balanced Hackmons teams using Eternatus →

Explore Eternatus + Arceus-Ghost teams 26 score Explore Eternatus + Chansey teams 13 score Explore Eternatus + Registeel teams 9 score

Leading observed checks

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

Team core to explore

Eternatus + Arceus-Ghost 52.4% teammate usage Explore teams →

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

Groudon-Primal

GroundFire SOFT CHECK View matchup

99.787

34.4

54.3% Standard error 4.99 points

DAMAGE CALC

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

View Groudon-Primal counters →

Kyogre-Primal

Water OFFENSIVE CHECK View matchup

33.951

32.5

65.2% Standard error 8.17 points

DAMAGE CALC

252+ SpA Kyogre-Primal Water Spout (150 BP) vs. 252 HP / 252+ SpD Eternatus: 128-151 (26.4 - 31.1%) -- 11.4% chance to 4HKO after Black Sludge recovery

View Kyogre-Primal counters →

Arceus-Ghost

Ghost SOFT CHECK View matchup

112.487

25.6

44.3% Standard error 4.68 points

DAMAGE CALC

252+ SpA Spooky Plate Arceus-Ghost Judgment vs. 252 HP / 252+ SpD Eternatus: 153-180 (31.6 - 37.1%) -- guaranteed 4HKO after Black Sludge recovery

View Arceus-Ghost counters → Teams with Arceus-Ghost →

Chansey

Normal SOFT CHECK View matchup

30.478

13.1

49.3% Standard error 9.06 points

DAMAGE CALC

252+ Atk Chansey Salt Cure vs. 252 HP / 0 Def Eternatus: 16-19 (3.3 - 3.9%)

View Chansey counters → Teams with Chansey →

Registeel

Steel SOFT CHECK View matchup

51.237

9.5

36.4% Standard error 6.72 points

DAMAGE CALC

252+ Atk Registeel Dragon Tail vs. 252 HP / 0 Def Eternatus: 104-124 (21.4 - 25.6%) -- possible 5HKO

View Registeel counters → Teams with Registeel →

Diancie-Mega

RockFairy SOFT CHECK View matchup

20.24

-1.9

42.0% Standard error 10.97 points

DAMAGE CALC

0- Atk Pixie Plate Pixilate Diancie-Mega Explosion vs. 252 HP / 0 Def Eternatus: 547-645 (113 - 133.2%) -- guaranteed OHKO

View Diancie-Mega counters →

Zamazenta

Fighting SOFT CHECK View matchup

21.917

-6.5

33.9% Standard error 10.11 points

DAMAGE CALC

252+ Atk Zamazenta Gigaton Hammer vs. 252 HP / 0 Def Eternatus: 189-223 (39 - 46%) -- guaranteed 3HKO after Black Sludge recovery

View Zamazenta counters → Teams with Zamazenta →

Koraidon

FightingDragon SOFT CHECK View matchup

21.424

-15.4

7.8% Standard error 5.81 points

DAMAGE CALC

252+ Atk Koraidon Glaive Rush vs. 252 HP / 0 Def Eternatus: 462-546 (95.4 - 112.8%) -- 68.8% chance to OHKO

View Koraidon counters → Teams with Koraidon →

Ranked #4 with 30.02% usage. Sorted by conservative score.