Is Ferrothorn viable in Gen 9 National Dex Ubers?

Ferrothorn is ranked #28 in Gen 9 National Dex Ubers with 5.16% usage according to Smogon Jul 2026 - Sep 2026 data.

What beats Ferrothorn in Gen 9 National Dex Ubers?

Groudon-Primal has the strongest conservative score in this observed Jul 2026 - Sep 2026 sample. The target was knocked out or switched out in 80.8% of 432.18606950926426 relevant encounters. Standard error is 1.9 points. Sets and switch conditions can change the result.

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

Ferrothorn counters

Gen 9 National Dex Ubers · Smogon source period Jul 2026 - Sep 2026

#0598 Ferrothorn

GrassSteel

USAGE 5.2% #28

ABILITYIron Barbs

BASE STATS

HP 74

ATK 94

DEF 131

SPA 54

SPD 116

SPE 20

BST489

TYPE MATCHUPS

4×

Fire

2×

Fighting

½×

NormalWaterElectricPsychicRockDragonSteelFairy

¼×

Grass

0×

Poison

Moves

Leech Seed 98.2% Spikes 79.5% Protect 71.3% Knock Off 63.2% Power Whip 23.3% Stealth Rock 22.3% Gyro Ball 20.1% Body Press 5.9%

Items

Leftovers 96.5% Rocky Helmet 2.4% Assault Vest 1.0% Heavy-Duty Boots 0.0% Mental Herb 0.0% Wide Lens 0.0% Big Root 0.0% Occa Berry 0.0%

Abilities

Iron Barbs100.0%Anticipation0.0%

Tera Types

Water 39.4% Poison 30.4% Grass 25.7% Dragon 1.1% Ghost 1.1% Fairy 0.8% Flying 0.7% Dark 0.6%

Common Teammates

Leading observed checks

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

Team core to explore

Ferrothorn + Zygarde 58.7% 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 OFFENSIVE CHECK View matchup

432.186

73.2

80.8% Standard error 1.90 points

DAMAGE CALCHarsh Sunshine

252+ Atk Groudon-Primal Heat Crash (120 BP) vs. 252 HP / 0 Def Ferrothorn in Harsh Sunshine: 1312-1548 (372.7 - 439.7%) -- guaranteed OHKO

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

Zacian-Crowned

FairySteel OFFENSIVE CHECK View matchup

121.01

62.4

77.6% Standard error 3.79 points

DAMAGE CALC

+1 252+ Atk Zacian-Crowned Close Combat vs. 252 HP / 0 Def Ferrothorn: 380-448 (107.9 - 127.2%) -- guaranteed OHKO

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

Ho-Oh

FireFlying DEFENSIVE CHECK View matchup

310.983

58.0

68.5% Standard error 2.63 points

DAMAGE CALC

252+ Atk Ferrothorn Knock Off (97.5 BP) vs. 252 HP / 252+ Def Ho-Oh: 72-85 (17.3 - 20.4%) -- possible 5HKO

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

Shaymin-Sky

GrassFlying OFFENSIVE CHECK View matchup

52.612

48.8

73.2% Standard error 6.11 points

DAMAGE CALC

252+ SpA Shaymin-Sky Air Slash vs. 252 HP / 252+ SpD Ferrothorn: 84-99 (23.8 - 28.1%) -- possible 5HKO

View Shaymin-Sky counters →

Marshadow

FightingGhost OFFENSIVE CHECK View matchup

49.94

45.0

70.7% Standard error 6.44 points

DAMAGE CALC

252+ Atk Marshadow Close Combat vs. 252 HP / 0 Def Ferrothorn: 332-392 (94.3 - 111.3%) -- 62.5% chance to OHKO

View Marshadow counters → Teams with Marshadow →

Eternatus

PoisonDragon OFFENSIVE CHECK View matchup

90.547

40.4

60.9% Standard error 5.13 points

DAMAGE CALC

252+ SpA Eternatus Fire Blast vs. 252 HP / 252+ SpD Ferrothorn: 372-440 (105.6 - 125%) -- guaranteed OHKO

View Eternatus counters → Teams with Eternatus →

Yveltal

DarkFlying SOFT CHECK View matchup

148.356

31.9

48.3% Standard error 4.10 points

DAMAGE CALC

0- Atk Life Orb Dark Aura Yveltal Knock Off (97.5 BP) vs. 252 HP / 0 Def Ferrothorn: 165-195 (46.8 - 55.3%) -- 74.2% chance to 2HKO

View Yveltal counters → Teams with Yveltal →

Arceus-Ground

Ground SOFT CHECK View matchup

102.554

29.5

49.2% Standard error 4.94 points

DAMAGE CALC

252+ SpA Earth Plate Arceus-Ground Judgment vs. 252 HP / 252+ SpD Ferrothorn: 133-157 (37.7 - 44.6%) -- guaranteed 3HKO after Leftovers recovery

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

Zygarde

DragonGround SOFT CHECK View matchup

223.857

23.2

36.0% Standard error 3.21 points

DAMAGE CALC

252+ Atk Zygarde Thousand Arrows vs. 252 HP / 0 Def Ferrothorn: 108-127 (30.6 - 36%) -- guaranteed 4HKO after Leftovers recovery

View Zygarde counters → Teams with Zygarde →

Lunala

PsychicGhost SOFT CHECK View matchup

31.502

19.1

54.5% Standard error 8.87 points

DAMAGE CALC

252+ SpA Lunala Moongeist Beam vs. 252 HP / 252+ SpD Ferrothorn: 121-144 (34.3 - 40.9%) -- 55.8% chance to 3HKO after Leftovers recovery

View Lunala counters → Teams with Lunala →

Ferrothorn

GrassSteel SOFT CHECK View matchup

46.228

18.0

47.3% Standard error 7.34 points

DAMAGE CALC

0 Def Ferrothorn Body Press vs. 252 HP / 0 Def Ferrothorn: 116-138 (32.9 - 39.2%) -- 9.6% chance to 3HKO after Leftovers recovery

View Ferrothorn counters →

Necrozma-Dusk-Mane

PsychicSteel SOFT CHECK View matchup

70.443

16.0

39.2% Standard error 5.82 points

DAMAGE CALC

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

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

Arceus-Dark

Dark SOFT CHECK View matchup

38.83

15.5

47.6% Standard error 8.01 points

DAMAGE CALC

252+ SpA Dread Plate Arceus-Dark Judgment vs. 252 HP / 252+ SpD Ferrothorn: 133-157 (37.7 - 44.6%) -- guaranteed 3HKO after Leftovers recovery

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

Kyogre-Primal

Water SOFT CHECK View matchup

118.465

9.9

26.0% Standard error 4.03 points

DAMAGE CALCHeavy Rain

252+ SpA Kyogre-Primal Water Spout (150 BP) vs. 252 HP / 252+ SpD Ferrothorn in Heavy Rain: 168-198 (47.7 - 56.2%) -- 25.8% chance to 2HKO after Leftovers recovery

View Kyogre-Primal counters →

Giratina-Origin

GhostDragon SOFT CHECK View matchup

51.909

9.8

36.5% Standard error 6.68 points

DAMAGE CALC

0- Atk Griseous Core Giratina-Origin Poltergeist vs. 252 HP / 0 Def Ferrothorn: 118-141 (33.5 - 40%) -- 28.7% chance to 3HKO after Leftovers recovery

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

Arceus

Normal SOFT CHECK View matchup

24.502

2.0

41.9% Standard error 9.97 points

DAMAGE CALC

252+ Atk Life Orb Arceus Earthquake vs. 252 HP / 0 Def Ferrothorn: 117-138 (33.2 - 39.2%) -- 8.4% chance to 3HKO after Leftovers recovery

View Arceus counters → Teams with Arceus →

Alomomola

Water SOFT CHECK View matchup

82.861

-3.9

8.2% Standard error 3.01 points

DAMAGE CALC

252+ Atk Alomomola Knock Off (97.5 BP) vs. 252 HP / 0 Def Ferrothorn: 64-76 (18.1 - 21.5%) -- possible 5HKO

View Alomomola counters →

Giratina

GhostDragon SOFT CHECK View matchup

25.957

-10.6

21.8% Standard error 8.10 points

DAMAGE CALC

0- SpA Giratina Hex (65 BP) vs. 252 HP / 252+ SpD Ferrothorn: 42-49 (11.9 - 13.9%)

View Giratina counters → Teams with Giratina →

Ranked #28 with 5.16% usage. Sorted by conservative score.