Is Necrozma-Dusk-Mane viable in Gen 9 National Dex Ubers?

Necrozma-Dusk-Mane is ranked #6 in Gen 9 National Dex Ubers with 28.41% usage according to Smogon May 2026 - Jul 2026 data.

What beats Necrozma-Dusk-Mane in Gen 9 National Dex Ubers?

Yveltal has the strongest conservative score in this observed May 2026 - Jul 2026 sample. The target was knocked out or switched out in 69.9% of 581.3425801660453 relevant encounters. Standard error is 3.3 points. Sets and switch conditions can change the result.

How are Necrozma-Dusk-Mane matchup checks ranked in Gen 9 National Dex Ubers?

They are ranked by p minus four standard errors. Here, p is the observed fraction of relevant encounters where Necrozma-Dusk-Mane was knocked out or switched out. This is not a set-specific battle guarantee.

Necrozma-Dusk-Mane counters

Gen 9 National Dex Ubers · Sorted by p − 4 standard errors · Smogon source period May 2026 - Jul 2026 · Generated 2026-08-05

#0800 Necrozma-Dusk-Mane

PsychicSteel

USAGE 28.4% #6

BASE STATS

HP 97

ATK 157

DEF 127

SPA 113

SPD 109

SPE 77

BST680

TYPE MATCHUPS

2×

FireGroundGhostDark

½×

NormalGrassIceFlyingRockDragonSteelFairy

¼×

Psychic

0×

Poison

Moves

Photon Geyser 73.4% Earthquake 62.7% Dragon Dance 61.3% Sunsteel Strike 49.3% Morning Sun 24.6% Stealth Rock 21.6% Stone Edge 18.9% Thunder Wave 13.3%

Items

Ultranecrozium Z 63.0% Rocky Helmet 10.6% Solganium Z 9.0% Covert Cloak 4.4% Clear Amulet 4.1% Leftovers 4.0% Weakness Policy 2.6% Life Orb 1.6%

Tera Types

Normal 9.3% Poison 4.8% Water 3.9% Steel 2.6% Flying 2.2% Ground 1.2% Fairy 1.0%

Common Teammates

Browse Gen 9 National Dex Ubers teams using Necrozma-Dusk-Mane →

Explore Necrozma-Dusk-Mane + Yveltal teams 57 score Explore Necrozma-Dusk-Mane + Arceus-Dark teams 56 score Explore Necrozma-Dusk-Mane + Marshadow teams 53 score Explore Necrozma-Dusk-Mane + Kingambit teams 37 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

Necrozma-Dusk-Mane + Groudon-Primal 57.2% 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

Yveltal

DarkFlying OFFENSIVE CHECK View matchup

581.343

56.8

69.9% Standard error 3.28 points

DAMAGE CALC

0- Atk Life Orb Dark Aura Yveltal Foul Play vs. 252 HP / 0 Def Prism Armor Necrozma-Dusk-Mane: 287-339 (72.1 - 85.1%) -- guaranteed 2HKO

View Yveltal counters → Teams with Yveltal →

Arceus-Dark

Dark DEFENSIVE CHECK View matchup

227.943

55.7

75.0% Standard error 4.84 points

DAMAGE CALC

0- Atk Necrozma-Dusk-Mane Sunsteel Strike vs. 252 HP / 0 Def Arceus-Dark: 123-145 (27.7 - 32.6%) -- guaranteed 4HKO

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

Marshadow

FightingGhost OFFENSIVE CHECK View matchup

315.311

53.2

70.7% Standard error 4.38 points

DAMAGE CALC

252+ Atk Marshadow Poltergeist vs. 252 HP / 0 Def Prism Armor Necrozma-Dusk-Mane: 235-279 (59 - 70.1%) -- guaranteed 2HKO

View Marshadow counters → Teams with Marshadow →

Orthworm

Steel DEFENSIVE CHECK View matchup

22.026

50.1

82.5% Standard error 8.10 points

DAMAGE CALC

252+ SpA Necrozma-Dusk-Mane Photon Geyser vs. 252 HP / 252+ SpD Orthworm: 84-99 (24.4 - 28.7%) -- 98.6% chance to 4HKO

Chien-Pao

DarkIce OFFENSIVE CHECK View matchup

113.112

47.0

74.8% Standard error 6.94 points

DAMAGE CALC

252+ Atk Sword of Ruin Chien-Pao Crunch vs. 252 HP / 0 Def Prism Armor Necrozma-Dusk-Mane: 222-262 (55.7 - 65.8%) -- guaranteed 2HKO

View Chien-Pao counters →

Kingambit

DarkSteel DEFENSIVE CHECK View matchup

22.392

36.5

73.7% Standard error 9.30 points

DAMAGE CALC

0- Atk Necrozma-Dusk-Mane Earthquake vs. 252 HP / 0 Def Kingambit: 164-194 (40.5 - 48%) -- guaranteed 3HKO

View Kingambit counters → Teams with Kingambit →

Lunala

PsychicGhost OFFENSIVE CHECK View matchup

60.774

34.2

68.0% Standard error 8.44 points

DAMAGE CALC

252+ SpA Lunala Moongeist Beam vs. 252 HP / 252+ SpD Prism Armor Necrozma-Dusk-Mane: 190-225 (47.7 - 56.5%) -- 85.9% chance to 2HKO

View Lunala counters → Teams with Lunala →

Arceus

Normal DEFENSIVE CHECK View matchup

158.445

32.2

59.0% Standard error 6.71 points

DAMAGE CALC

0- Atk Necrozma-Dusk-Mane Sunsteel Strike vs. 252 HP / 0 Def Arceus: 123-145 (27.7 - 32.6%) -- guaranteed 4HKO

View Arceus counters → Teams with Arceus →

Zacian-Crowned

FairySteel SOFT CHECK View matchup

611.132

30.4

44.2% Standard error 3.46 points

DAMAGE CALC

+1 252+ Atk Zacian-Crowned Close Combat vs. 252 HP / 0 Def Necrozma-Dusk-Mane: 195-230 (48.9 - 57.7%) -- 96.1% chance to 2HKO

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

Zygarde

DragonGround SOFT CHECK View matchup

317.16

30.2

49.3% Standard error 4.78 points

DAMAGE CALC

252+ Atk Zygarde Thousand Arrows vs. 252 HP / 0 Def Prism Armor Necrozma-Dusk-Mane: 163-195 (40.9 - 48.9%) -- guaranteed 3HKO

View Zygarde counters → Teams with Zygarde →

Calyrex-Ice

PsychicIce DEFENSIVE CHECK View matchup

59.057

30.1

64.3% Standard error 8.55 points

DAMAGE CALC

0- Atk Necrozma-Dusk-Mane Sunsteel Strike vs. 252 HP / 0 Def Calyrex-Ice: 204-240 (50.4 - 59.4%) -- guaranteed 2HKO

View Calyrex-Ice counters →

Giratina-Origin

GhostDragon SOFT CHECK View matchup

181.409

29.8

54.9% Standard error 6.29 points

DAMAGE CALC

0- Atk Griseous Core Giratina-Origin Poltergeist vs. 252 HP / 0 Def Prism Armor Necrozma-Dusk-Mane: 181-216 (45.4 - 54.2%) -- 46.9% chance to 2HKO

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

Ferrothorn

GrassSteel DEFENSIVE CHECK View matchup

52.255

29.4

66.4% Standard error 9.24 points

DAMAGE CALC

0- Atk Necrozma-Dusk-Mane Earthquake vs. 252 HP / 0 Def Ferrothorn: 76-90 (21.5 - 25.5%) -- possible 5HKO

View Ferrothorn counters →

Necrozma-Dusk-Mane

PsychicSteel SOFT CHECK View matchup

319.933

29.2

48.1% Standard error 4.73 points

DAMAGE CALC

0- Atk Necrozma-Dusk-Mane Earthquake vs. 252 HP / 0 Def Prism Armor Necrozma-Dusk-Mane: 118-139 (29.6 - 34.9%) -- 13.7% chance to 3HKO

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

Groudon-Primal

GroundFire SOFT CHECK View matchup

550.084

26.7

41.1% Standard error 3.61 points

DAMAGE CALCHarsh Sunshine

252+ Atk Groudon-Primal Precipice Blades vs. 252 HP / 0 Def Prism Armor Necrozma-Dusk-Mane: 337-397 (84.6 - 99.7%) -- guaranteed 2HKO

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

Melmetal

Steel DEFENSIVE CHECK View matchup

60.519

23.7

59.3% Standard error 8.88 points

DAMAGE CALC

0- Atk Necrozma-Dusk-Mane Earthquake vs. 252 HP / 0 Def Melmetal: 142-168 (29.9 - 35.4%) -- 25% chance to 3HKO

View Melmetal counters →

Mewtwo

Psychic OFFENSIVE CHECK View matchup

45.829

23.5

63.6% Standard error 10.01 points

DAMAGE CALC

252+ SpA Mewtwo Earth Power vs. 252 HP / 252+ SpD Prism Armor Necrozma-Dusk-Mane: 126-148 (31.6 - 37.1%) -- 86.3% chance to 3HKO

View Mewtwo counters →

Kyogre-Primal

Water SOFT CHECK View matchup

208.151

21.3

45.0% Standard error 5.92 points

DAMAGE CALCHeavy Rain

252+ SpA Kyogre-Primal Water Spout (150 BP) vs. 252 HP / 252+ SpD Necrozma-Dusk-Mane in Heavy Rain: 351-414 (88.1 - 104%) -- 25% chance to OHKO

View Kyogre-Primal counters →

Arceus-Ground

Ground SOFT CHECK View matchup

146.805

17.0

45.2% Standard error 7.06 points

DAMAGE CALC

252+ SpA Earth Plate Arceus-Ground Judgment vs. 252 HP / 252+ SpD Prism Armor Necrozma-Dusk-Mane: 207-244 (52 - 61.3%) -- guaranteed 2HKO

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

Dondozo

Water SOFT CHECK View matchup

127.924

16.4

46.4% Standard error 7.49 points

DAMAGE CALC

252+ Atk Dondozo Earthquake vs. 252 HP / 0 Def Prism Armor Necrozma-Dusk-Mane: 123-145 (30.9 - 36.4%) -- 63.9% chance to 3HKO

View Dondozo counters → Teams with Dondozo →

Mewtwo-Mega-Y

Psychic OFFENSIVE CHECK View matchup

23.477

15.5

56.4% Standard error 10.23 points

DAMAGE CALC

252+ SpA Mewtwo-Mega-Y Fire Blast vs. 252 HP / 252+ SpD Prism Armor Necrozma-Dusk-Mane: 183-216 (45.9 - 54.2%) -- 50% chance to 2HKO

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

Ditto

Normal SOFT CHECK View matchup

83.445

15.3

52.9% Standard error 9.38 points

DAMAGE CALC

Ditto vs. Necrozma-Dusk-Mane: 0-0 (0 - 0%)

View Ditto counters → Teams with Ditto →

Mewtwo-Mega-X

PsychicFighting SOFT CHECK View matchup

46.925

13.1

54.2% Standard error 10.28 points

DAMAGE CALC

252+ Atk Mewtwo-Mega-X Low Kick (120 BP) vs. 252 HP / 0 Def Necrozma-Dusk-Mane: 234-276 (58.7 - 69.3%) -- guaranteed 2HKO

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

Kyogre

Water SOFT CHECK View matchup

20.983

10.9

54.4% Standard error 10.87 points

DAMAGE CALCRain

252+ SpA Kyogre Water Spout (150 BP) vs. 252 HP / 252+ SpD Necrozma-Dusk-Mane in Rain: 306-360 (76.8 - 90.4%) -- guaranteed 2HKO

View Kyogre counters → Teams with Kyogre →

Ho-Oh

FireFlying SOFT CHECK View matchup

314.347

10.5

27.9% Standard error 4.36 points

DAMAGE CALC

252+ Atk Ho-Oh Sacred Fire vs. 252 HP / 0 Def Prism Armor Necrozma-Dusk-Mane: 220-261 (55.2 - 65.5%) -- guaranteed 2HKO

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

Eternatus

PoisonDragon SOFT CHECK View matchup

363.193

9.1

24.5% Standard error 3.83 points

DAMAGE CALC

252+ SpA Eternatus Fire Blast vs. 252 HP / 252+ SpD Prism Armor Necrozma-Dusk-Mane: 145-172 (36.4 - 43.2%) -- guaranteed 3HKO

View Eternatus counters → Teams with Eternatus →

Deoxys-Attack

Psychic SOFT CHECK View matchup

60.504

7.8

43.3% Standard error 8.88 points

DAMAGE CALC

252+ SpA Life Orb Deoxys-Attack Shadow Ball vs. 252 HP / 252+ SpD Prism Armor Necrozma-Dusk-Mane: 164-193 (41.2 - 48.4%) -- guaranteed 3HKO

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

Arceus-Fairy

Fairy SOFT CHECK View matchup

212.457

2.5

21.9% Standard error 4.85 points

DAMAGE CALC

252+ SpA Arceus-Fairy Earth Power vs. 252 HP / 252+ SpD Prism Armor Necrozma-Dusk-Mane: 103-123 (25.8 - 30.9%) -- guaranteed 4HKO

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

Chansey

Normal SOFT CHECK View matchup

29.61

0.7

36.0% Standard error 8.82 points

DAMAGE CALC

Chansey Seismic Toss vs. 252 HP Necrozma-Dusk-Mane: 100-100 (25.1 - 25.1%) -- guaranteed 4HKO

View Chansey counters → Teams with Chansey →

Salamence-Mega

DragonFlying SOFT CHECK View matchup

24.327

-3.9

34.7% Standard error 9.65 points

DAMAGE CALC

252+ Atk Salamence-Mega Earthquake vs. 252 HP / 0 Def Prism Armor Necrozma-Dusk-Mane: 159-187 (39.9 - 46.9%) -- guaranteed 3HKO

View Salamence-Mega counters →

Ranked #6 with 28.41% usage. Sorted by conservative score.