Is Ferrothorn viable in Gen 8 OU?

Ferrothorn is ranked #10 in Gen 8 OU with 20.48% usage according to Smogon May 2026 - Jul 2026 data.

What beats Ferrothorn in Gen 8 OU?

Heatran has the strongest conservative score in this observed May 2026 - Jul 2026 sample. The target was knocked out or switched out in 95.4% of 34.667014192175444 relevant encounters. Standard error is 3.6 points. Sets and switch conditions can change the result.

How are Ferrothorn matchup checks ranked in Gen 8 OU?

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 8 OU · Sorted by p − 4 standard errors · Smogon source period May 2026 - Jul 2026 · Generated 2026-08-05

#0598 Ferrothorn

GrassSteel

USAGE 20.5% #10

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 95.8% Knock Off 78.7% Spikes 65.6% Gyro Ball 44.4% Stealth Rock 35.8% Body Press 31.1% Power Whip 21.6% Thunder Wave 11.8%

Items

Leftovers 67.1% Rocky Helmet 27.2% Eject Button 3.7% Chople Berry 1.7% Shed Shell 0.2% Rawst Berry 0.0% Choice Band 0.0% Heavy-Duty Boots 0.0%

Abilities

Iron Barbs100.0%Anticipation0.0%

Common Teammates

Landorus-Therian54.1%

Tornadus-Therian28.4%

Tapu Koko27.7%

Clefable27.1%

Zapdos24.0%

Urshifu-Rapid-Strike22.9%

Weavile21.2%

Tyranitar20.5%

Browse Gen 8 OU teams using Ferrothorn →

Explore Ferrothorn + Heatran teams 81 score Explore Ferrothorn + Slowking-Galar teams 22 score Explore Ferrothorn + Clefable teams 20 score Explore Ferrothorn + Corviknight teams 18 score Explore Ferrothorn + Melmetal teams 18 score Explore Ferrothorn + Tornadus-Therian teams 17 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

Ferrothorn + Landorus-Therian 54.1% 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

Heatran

FireSteel OFFENSIVE CHECK View matchup

34.667

81.1

95.4% Standard error 3.58 points

DAMAGE CALC

252+ SpA Heatran Eruption (150 BP) vs. 252 HP / 252+ SpD Ferrothorn: 700-828 (198.8 - 235.2%) -- guaranteed OHKO

View Heatran counters → Teams with Heatran →

Slowking-Galar

PoisonPsychic DEFENSIVE CHECK View matchup

24.124

22.3

61.8% Standard error 9.89 points

DAMAGE CALC

252+ Atk Ferrothorn Knock Off (97.5 BP) vs. 252 HP / 252+ Def Slowking-Galar: 156-184 (39.5 - 46.7%) -- guaranteed 3HKO

View Slowking-Galar counters → Teams with Slowking-Galar →

Clefable

Fairy SOFT CHECK View matchup

38.759

19.6

51.7% Standard error 8.03 points

DAMAGE CALC

252+ SpA Clefable Moonblast vs. 252 HP / 252+ SpD Ferrothorn: 45-53 (12.7 - 15%)

View Clefable counters → Teams with Clefable →

Corviknight

FlyingSteel SOFT CHECK View matchup

73.957

17.8

50.0% Standard error 8.06 points

DAMAGE CALC

252+ Atk Corviknight Brave Bird vs. 252 HP / 0 Def Ferrothorn: 130-154 (36.9 - 43.7%) -- 99.5% chance to 3HKO after Leftovers recovery

View Corviknight counters → Teams with Corviknight →

Melmetal

Steel DEFENSIVE CHECK View matchup

24.71

17.6

57.4% Standard error 9.95 points

DAMAGE CALC

0 Def Ferrothorn Body Press vs. 252 HP / 252+ Def Melmetal: 82-98 (17.2 - 20.6%) -- possible 7HKO

View Melmetal counters → Teams with Melmetal →

Tornadus-Therian

Flying OFFENSIVE CHECK View matchup

54.919

17.1

55.0% Standard error 9.48 points

DAMAGE CALC

252+ Atk Tornadus-Therian Superpower vs. 252 HP / 0 Def Ferrothorn: 190-224 (53.9 - 63.6%) -- guaranteed 2HKO after Leftovers recovery

View Tornadus-Therian counters → Teams with Tornadus-Therian →

Kartana

GrassSteel OFFENSIVE CHECK View matchup

20.333

15.6

59.2% Standard error 10.90 points

DAMAGE CALC

252+ Atk Kartana Sacred Sword vs. 252 HP / 0 Def Ferrothorn: 220-260 (62.5 - 73.8%) -- guaranteed 2HKO after Leftovers recovery

View Kartana counters →

Ferrothorn

GrassSteel SOFT CHECK View matchup

20.515

1.5

45.5% Standard error 10.99 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 → Teams with Ferrothorn →

Tapu Lele

PsychicFairy SOFT CHECK View matchup

20.606

-1.4

42.1% Standard error 10.88 points

DAMAGE CALCPsychic Terrain

252+ SpA Tapu Lele Focus Blast vs. 252 HP / 252+ SpD Ferrothorn: 188-222 (53.4 - 63%) -- guaranteed 2HKO after Leftovers recovery

View Tapu Lele counters → Teams with Tapu Lele →

Weavile

DarkIce SOFT CHECK View matchup

20.51

-2.0

41.5% Standard error 10.88 points

DAMAGE CALC

252+ Atk Weavile Low Kick (100 BP) vs. 252 HP / 0 Def Ferrothorn: 180-212 (51.1 - 60.2%) -- 89.1% chance to 2HKO after Leftovers recovery

View Weavile counters → Teams with Weavile →

Landorus-Therian

GroundFlying SOFT CHECK View matchup

58.991

-2.7

30.9% Standard error 8.40 points

DAMAGE CALC

252+ Atk Landorus-Therian Earthquake vs. 252 HP / 0 Def Ferrothorn: 154-183 (43.7 - 51.9%) -- guaranteed 3HKO after Leftovers recovery

View Landorus-Therian counters → Teams with Landorus-Therian →

Toxapex

PoisonWater SOFT CHECK View matchup

65.38

-3.5

27.5% Standard error 7.76 points

DAMAGE CALC

252+ Atk Toxapex Knock Off (97.5 BP) vs. 252 HP / 0 Def Ferrothorn: 58-69 (16.4 - 19.6%) -- possible 6HKO

View Toxapex counters → Teams with Toxapex →

Ranked #10 with 20.48% usage. Sorted by conservative score.