Is Eternatus viable in Gen 9 National Dex Ubers?

Eternatus is ranked #9 in Gen 9 National Dex Ubers with 20.66% usage according to Smogon Feb 2026 - Apr 2026 data.

What beats Eternatus in Gen 9 National Dex Ubers?

The best counter for Eternatus in Gen 9 National Dex Ubers is Mewtwo-Mega-Y with a 86.1% win rate when they meet. Based on Smogon's Feb 2026 - Apr 2026 usage data, the top Pokémon that beat Eternatus include Mewtwo-Mega-Y, Deoxys-Attack, Mewtwo, Chien-Pao, Zacian-Crowned.

What is the best counter for Eternatus in Gen 9 National Dex Ubers?

Mewtwo-Mega-Y is the best counter for Eternatus in Gen 9 National Dex Ubers, KOing or forcing it out in 86.1% of their encounters.

Eternatus counters

Gen 9 National Dex Ubers · Sorted by reliability score · Smogon · Feb 2026 - Apr 2026

#0890 Eternatus

PoisonDragon

USAGE 20.7% #9

BASE STATS

HP 140

ATK 85

DEF 95

SPA 145

SPD 95

SPE 130

BST690

TYPE MATCHUPS

2×

IceGroundPsychicDragon

½×

FireWaterElectricFightingPoisonBug

¼×

Grass

Moves

Dynamax Cannon 97.7% Sludge Bomb 62.3% Fire Blast 54.7% Meteor Beam 53.5% Recover 41.2% Flamethrower 30.3% Draco Meteor 17.6% Toxic Spikes 13.7%

Items

Power Herb 52.5% Choice Specs 17.5% Leftovers 13.9% Heavy-Duty Boots 5.2% Life Orb 3.9% Black Sludge 2.3% Dragonium Z 1.6% Air Balloon 1.4%

Tera Types

Dragon 39.2% Fairy 28.2% Dark 7.0% Fire 6.9% Poison 4.5% Water 3.4% Flying 3.0%

Common Teammates

Groudon-Primal63.0%

Necrozma-Dusk-Mane36.6%

Checks & Counters

Ranked by reliability — blends KO rate with how often each Pokémon is matched up.

# Checker Encounters Reliability KO Rate

Mewtwo-Mega-Y

Psychic OFFENSIVE CHECK

24.317

86.1% dies 7.02%

DAMAGE CALC

252+ SpA Mewtwo-Mega-Y Psystrike vs. 252 HP / 0 Def Eternatus: 510-600 (105.3 - 123.9%) -- guaranteed OHKO

View Mewtwo-Mega-Y counters → Teams with Mewtwo-Mega-Y →

Deoxys-Attack

Psychic OFFENSIVE CHECK

82.787

84.1% dies 6.85%

DAMAGE CALC

252+ SpA Life Orb Deoxys-Attack Psycho Boost vs. 252 HP / 252+ SpD Eternatus: 619-733 (127.8 - 151.4%) -- guaranteed OHKO

View Deoxys-Attack counters → Teams with Deoxys-Attack →

Mewtwo

Psychic OFFENSIVE CHECK

22.819

83.9% dies 7.70%

DAMAGE CALC

252+ SpA Life Orb Mewtwo Psystrike vs. 252 HP / 0 Def Eternatus: 554-655 (114.4 - 135.3%) -- guaranteed OHKO

View Mewtwo counters → Teams with Mewtwo →

Chien-Pao

DarkIce OFFENSIVE CHECK

136.769

83.2% dies 5.18%

DAMAGE CALC

252+ Atk Sword of Ruin Chien-Pao Icicle Crash vs. 252 HP / 0 Def Eternatus: 404-476 (83.4 - 98.3%) -- guaranteed 2HKO

View Chien-Pao counters → Teams with Chien-Pao →

Zacian-Crowned

FairySteel OFFENSIVE CHECK

510.879

69.1% dies 3.52%

DAMAGE CALC

+1 252+ Atk Zacian-Crowned Play Rough vs. 252 HP / 0 Def Eternatus: 280-331 (57.8 - 68.3%) -- guaranteed 2HKO

View Zacian-Crowned counters → Teams with Zacian-Crowned →

Arceus

Normal DEFENSIVE COUNTER

161.202

66.3% dies 6.32%

DAMAGE CALC

252+ SpA Eternatus Draco Meteor vs. 252 HP / 252+ SpD Arceus: 160-190 (36 - 42.7%) -- guaranteed 3HKO

View Arceus counters → Teams with Arceus →

Necrozma-Dusk-Mane

PsychicSteel OFFENSIVE CHECK

448.396

63.6% dies 3.93%

DAMAGE CALC

252+ SpA Necrozma-Dusk-Mane Photon Geyser vs. 252 HP / 252+ SpD Eternatus: 242-288 (50 - 59.5%) -- guaranteed 2HKO

View Necrozma-Dusk-Mane counters → Teams with Necrozma-Dusk-Mane →

Chansey

Normal DEFENSIVE COUNTER

172.132

61.5% dies 6.33%

DAMAGE CALC

252+ SpA Eternatus Draco Meteor vs. 252 HP / 252+ SpD Eviolite Chansey: 118-139 (16.7 - 19.7%) -- guaranteed 6HKO

View Chansey counters → Teams with Chansey →

Mewtwo-Mega-X

PsychicFighting OFFENSIVE CHECK

21.076

60.6% dies 10.64%

DAMAGE CALC

252+ Atk Mewtwo-Mega-X Zen Headbutt vs. 252 HP / 0 Def Eternatus: 402-474 (83 - 97.9%) -- guaranteed 2HKO

View Mewtwo-Mega-X counters → Teams with Mewtwo-Mega-X →

Pheromosa

BugFighting OFFENSIVE CHECK

57.589

59.9% dies 9.02%

DAMAGE CALC

252+ Atk Choice Band Pheromosa Triple Axel (120 BP) (3 hits) vs. 252 HP / 0 Def Eternatus: 472-558 (97.5 - 115.2%) -- 97.2% chance to OHKO

View Pheromosa counters → Teams with Pheromosa →

Arceus-Ground

Ground DEFENSIVE COUNTER

171.524

57.9% dies 6.47%

DAMAGE CALC

252+ SpA Eternatus Draco Meteor vs. 252 HP / 252+ SpD Arceus-Ground: 160-190 (36 - 42.7%) -- guaranteed 3HKO

View Arceus-Ground counters → Teams with Arceus-Ground →

Lunala

PsychicGhost OFFENSIVE CHECK

54.509

57.1% dies 9.47%

DAMAGE CALC

252+ SpA Lunala Psyshock vs. 252 HP / 0 Def Eternatus: 312-368 (64.4 - 76%) -- guaranteed 2HKO

View Lunala counters → Teams with Lunala →

Kyogre-Primal

Water OFFENSIVE CHECK

347.33

56.9% dies 4.58%

DAMAGE CALCHeavy Rain

252+ SpA Kyogre-Primal Ice Beam vs. 252 HP / 252+ SpD Eternatus: 206-244 (42.5 - 50.4%) -- 1.2% chance to 2HKO

View Kyogre-Primal counters → Teams with Kyogre-Primal →

Ditto

Normal SOFT CHECK

66.661

51.4% dies 8.54%

DAMAGE CALC

Ditto vs. Eternatus: 0-0 (0 - 0%)

View Ditto counters → Teams with Ditto →

Eternatus

PoisonDragon SOFT CHECK

263.758

47.1% dies 5.28%

DAMAGE CALC

252+ SpA Eternatus Draco Meteor vs. 252 HP / 252+ SpD Eternatus: 378-446 (78 - 92.1%) -- guaranteed 2HKO

View Eternatus counters → Teams with Eternatus →

Groudon-Primal

GroundFire SOFT CHECK

670.625

44.4% dies 3.31%

DAMAGE CALCHarsh Sunshine

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

View Groudon-Primal counters → Teams with Groudon-Primal →

Zygarde

DragonGround SOFT CHECK

397.55

42.0% dies 4.27%

DAMAGE CALC

252+ Atk Zygarde Outrage vs. 252 HP / 0 Def Eternatus: 374-444 (77.2 - 91.7%) -- guaranteed 2HKO

View Zygarde counters → Teams with Zygarde →

Rayquaza

DragonFlying SOFT CHECK

54.007

40.7% dies 8.94%

DAMAGE CALC

252+ Atk Choice Band Rayquaza Scale Shot (3 hits) vs. 252 HP / 0 Def Eternatus: 474-564 (97.9 - 116.5%) -- 99.5% chance to OHKO

View Rayquaza counters → Teams with Rayquaza →

Fezandipiti

PoisonFairy SOFT CHECK

60.092

39.6% dies 8.83%

DAMAGE CALC

252+ Atk Fezandipiti Play Rough vs. 252 HP / 0 Def Eternatus: 133-157 (27.4 - 32.4%) -- guaranteed 4HKO

View Fezandipiti counters → Teams with Fezandipiti →

Marshadow

FightingGhost SOFT CHECK

350.705

38.1% dies 4.43%

DAMAGE CALC

252+ Atk Marshadow Poltergeist vs. 252 HP / 0 Def Eternatus: 201-237 (41.5 - 48.9%) -- guaranteed 3HKO

View Marshadow counters → Teams with Marshadow →

Arceus-Dark

Dark SOFT CHECK

232.112

37.0% dies 5.47%

DAMAGE CALC

252+ SpA Dread Plate Arceus-Dark Judgment vs. 252 HP / 252+ SpD Eternatus: 153-180 (31.6 - 37.1%) -- 82.5% chance to 3HKO

View Arceus-Dark counters → Teams with Arceus-Dark →

Garganacl

Rock SOFT CHECK

44.705

36.5% dies 10.18%

DAMAGE CALC

252+ Atk Garganacl Earthquake vs. 252 HP / 0 Def Eternatus: 208-246 (42.9 - 50.8%) -- 3.1% chance to 2HKO

View Garganacl counters → Teams with Garganacl →

Ferrothorn

GrassSteel SOFT CHECK

26.264

35.2% dies 9.32%

DAMAGE CALC

252+ Atk Ferrothorn Knock Off (97.5 BP) vs. 252 HP / 0 Def Eternatus: 97-115 (20 - 23.7%) -- guaranteed 5HKO

View Ferrothorn counters → Teams with Ferrothorn →

Giratina-Origin

GhostDragon SOFT CHECK

151.171

32.8% dies 6.53%

DAMAGE CALC

252+ SpA Griseous Core Giratina-Origin Draco Meteor vs. 252 HP / 252+ SpD Eternatus: 392-464 (80.9 - 95.8%) -- guaranteed 2HKO

View Giratina-Origin counters → Teams with Giratina-Origin →

Arceus-Fairy

Fairy SOFT CHECK

230.708

32.7% dies 5.30%

DAMAGE CALC

252+ SpA Pixie Plate Arceus-Fairy Judgment vs. 252 HP / 252+ SpD Eternatus: 153-180 (31.6 - 37.1%) -- 82.5% chance to 3HKO

View Arceus-Fairy counters → Teams with Arceus-Fairy →

Shaymin-Sky

GrassFlying SOFT CHECK

23.312

25.6% dies 9.03%

DAMAGE CALC

252+ SpA Shaymin-Sky Earth Power vs. 252 HP / 252+ SpD Eternatus: 152-180 (31.4 - 37.1%) -- 82.7% chance to 3HKO

View Shaymin-Sky counters → Teams with Shaymin-Sky →

Yveltal

DarkFlying SOFT CHECK

569.011

25.3% dies 3.13%

DAMAGE CALC

0- Atk Life Orb Dark Aura Yveltal Knock Off (97.5 BP) vs. 252 HP / 0 Def Eternatus: 216-255 (44.6 - 52.6%) -- 22.7% chance to 2HKO

View Yveltal counters → Teams with Yveltal →

Ho-Oh

FireFlying SOFT CHECK

706.88

17.5% dies 2.46%

DAMAGE CALC

252+ Atk Ho-Oh Earthquake vs. 252 HP / 0 Def Eternatus: 250-296 (51.6 - 61.1%) -- guaranteed 2HKO

View Ho-Oh counters → Teams with Ho-Oh →

Alomomola

Water SOFT CHECK

238.64

13.5% dies 3.77%

DAMAGE CALC

252+ Atk Alomomola Knock Off (97.5 BP) vs. 252 HP / 0 Def Eternatus: 85-100 (17.5 - 20.6%) -- possible 5HKO

View Alomomola counters → Teams with Alomomola →

Dondozo

Water SOFT CHECK

91.032

10.1% dies 5.25%

DAMAGE CALC

252+ Atk Dondozo Earthquake vs. 252 HP / 0 Def Eternatus: 208-246 (42.9 - 50.8%) -- 3.1% chance to 2HKO

View Dondozo counters → Teams with Dondozo →

Ranked #9 with 20.66% usage. Sorted by reliability score.