Is Ferrothorn viable in Gen 7 OU?

Ferrothorn is ranked #5 in Gen 7 OU with 20.41% usage according to Smogon May 2026 - Jul 2026 data.

What beats Ferrothorn in Gen 7 OU?

Heatran has the strongest conservative score in this observed May 2026 - Jul 2026 sample. The target was knocked out or switched out in 85.8% of 261.40103484469796 relevant encounters. Standard error is 3.7 points. Sets and switch conditions can change the result.

How are Ferrothorn matchup checks ranked in Gen 7 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 7 OU · Sorted by p − 4 standard errors · Smogon source period May 2026 - Jul 2026 · Generated 2026-08-05

#0598 Ferrothorn

GrassSteel

USAGE 20.4% #5

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

Spikes 71.3% Power Whip 70.0% Leech Seed 62.5% Gyro Ball 56.5% Stealth Rock 52.8% Knock Off 40.2% Protect 21.3% Thunder Wave 18.2%

Items

Leftovers 61.5% Chople Berry 23.0% Figy Berry 5.9% Aguav Berry 3.9% Iapapa Berry 2.3% Eject Button 1.0% Rocky Helmet 0.8% Grassium Z 0.7%

Abilities

Iron Barbs100.0%Anticipation0.0%

Common Teammates

Greninja51.4%

Pelipper41.7%

Swampert-Mega41.5%

Landorus-Therian33.5%

Tornadus-Therian30.1%

Tapu Koko25.3%

Gliscor16.2%

Hawlucha15.3%

Browse Gen 7 OU teams using Ferrothorn →

Explore Ferrothorn + Heatran teams 71 score Explore Ferrothorn + Hawlucha teams 67 score Explore Ferrothorn + Kommo-o teams 62 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 + Greninja 51.4% 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

Heatran

FireSteel OFFENSIVE CHECK View matchup

261.401

70.9

85.8% Standard error 3.72 points

DAMAGE CALC

252+ SpA Heatran Magma Storm vs. 252 HP / 252+ SpD Ferrothorn: 468-552 (132.9 - 156.8%) -- guaranteed OHKO

View Heatran counters → Teams with Heatran →

Charizard-Mega-X

FireDragon OFFENSIVE CHECK View matchup

28.87

68.5

90.4% Standard error 5.48 points

DAMAGE CALC

252+ Atk Tough Claws Charizard-Mega-X Flare Blitz vs. 252 HP / 0 Def Ferrothorn: 888-1048 (252.2 - 297.7%) -- guaranteed OHKO

View Charizard-Mega-X counters →

Hawlucha

FightingFlying OFFENSIVE CHECK View matchup

50.777

67.1

90.4% Standard error 5.82 points

DAMAGE CALC

252+ Atk Hawlucha High Jump Kick vs. 252 HP / 0 Def Ferrothorn: 290-344 (82.3 - 97.7%) -- guaranteed 2HKO after Leftovers recovery

View Hawlucha counters → Teams with Hawlucha →

Kommo-o

DragonFighting DEFENSIVE CHECK View matchup

33.505

62.0

86.0% Standard error 5.99 points

DAMAGE CALC

252+ Atk Ferrothorn Power Whip vs. 252 HP / 252+ Def Kommo-o: 53-63 (14.9 - 17.7%) -- possible 6HKO

View Kommo-o counters → Teams with Kommo-o →

Mawile-Mega

SteelFairy DEFENSIVE CHECK View matchup

74.658

61.9

85.0% Standard error 5.77 points

DAMAGE CALC

252+ Atk Ferrothorn Power Whip vs. 252 HP / 252+ Def Mawile-Mega: 53-63 (17.4 - 20.7%) -- possible 5HKO

View Mawile-Mega counters →

Medicham-Mega

FightingPsychic OFFENSIVE CHECK View matchup

179.735

58.7

79.4% Standard error 5.18 points

DAMAGE CALC

252+ Atk Pure Power Medicham-Mega High Jump Kick vs. 252 HP / 0 Def Ferrothorn: 614-726 (174.4 - 206.2%) -- guaranteed OHKO

View Medicham-Mega counters →

Reuniclus

Psychic OFFENSIVE CHECK View matchup

101.635

58.6

83.0% Standard error 6.10 points

DAMAGE CALC

252+ SpA Reuniclus Focus Blast vs. 252 HP / 252+ SpD Ferrothorn: 182-216 (51.7 - 61.3%) -- 95.7% chance to 2HKO after Leftovers recovery

View Reuniclus counters →

Volcarona

BugFire OFFENSIVE CHECK View matchup

58.575

58.5

84.7% Standard error 6.56 points

DAMAGE CALC

252+ SpA Volcarona Fire Blast vs. 252 HP / 252+ SpD Ferrothorn: 528-624 (150 - 177.2%) -- guaranteed OHKO

View Volcarona counters → Teams with Volcarona →

Venusaur-Mega

GrassPoison DEFENSIVE CHECK View matchup

55.152

54.6

82.8% Standard error 7.03 points

DAMAGE CALC

252+ Atk Ferrothorn Knock Off vs. 252 HP / 252+ Def Venusaur-Mega: 39-47 (10.7 - 12.9%) -- possible 8HKO

View Venusaur-Mega counters →

Dragonite

DragonFlying OFFENSIVE CHECK View matchup

46.879

52.7

82.8% Standard error 7.53 points

DAMAGE CALC

252+ Atk Dragonite Fire Punch vs. 252 HP / 0 Def Ferrothorn: 292-348 (82.9 - 98.8%) -- guaranteed 2HKO after Leftovers recovery

View Dragonite counters → Teams with Dragonite →

Kartana

GrassSteel OFFENSIVE CHECK View matchup

222.016

50.3

71.2% Standard error 5.20 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 → Teams with Kartana →

Charizard-Mega-Y

FireFlying OFFENSIVE CHECK View matchup

90.774

49.7

79.2% Standard error 7.38 points

DAMAGE CALCSun

252+ SpA Charizard-Mega-Y Overheat vs. 252 HP / 252+ SpD Ferrothorn in Sun: 1056-1248 (300 - 354.5%) -- guaranteed OHKO

View Charizard-Mega-Y counters →

Magnezone

ElectricSteel OFFENSIVE CHECK View matchup

24.373

44.4

78.0% Standard error 8.40 points

DAMAGE CALC

252+ SpA Magnezone Hidden Power Fire vs. 252 HP / 252+ SpD Ferrothorn: 188-224 (53.4 - 63.6%) -- guaranteed 2HKO after Leftovers recovery

View Magnezone counters → Teams with Magnezone →

Garchomp

DragonGround OFFENSIVE CHECK View matchup

72.767

43.7

77.4% Standard error 8.43 points

DAMAGE CALC

252+ Atk Garchomp Fire Fang vs. 252 HP / 0 Def Ferrothorn: 248-296 (70.4 - 84%) -- guaranteed 2HKO after Leftovers recovery

View Garchomp counters → Teams with Garchomp →

Celesteela

SteelFlying DEFENSIVE CHECK View matchup

62.702

41.0

72.7% Standard error 7.95 points

DAMAGE CALC

252+ Atk Ferrothorn Knock Off (97.5 BP) vs. 252 HP / 252+ Def Celesteela: 66-78 (16.5 - 19.5%) -- possible 6HKO

View Celesteela counters → Teams with Celesteela →

Victini

PsychicFire DEFENSIVE CHECK View matchup

92.598

37.7

69.7% Standard error 7.99 points

DAMAGE CALC

252+ Atk Ferrothorn Knock Off (97.5 BP) vs. 252 HP / 252+ Def Victini: 136-160 (33.6 - 39.6%) -- guaranteed 3HKO

View Victini counters → Teams with Victini →

Zapdos

ElectricFlying OFFENSIVE CHECK View matchup

138.869

36.3

64.2% Standard error 6.99 points

DAMAGE CALC

252+ SpA Zapdos Heat Wave vs. 252 HP / 252+ SpD Ferrothorn: 288-340 (81.8 - 96.5%) -- guaranteed 2HKO after Leftovers recovery

View Zapdos counters → Teams with Zapdos →

Clefable

Fairy DEFENSIVE CHECK View matchup

202.462

35.3

58.9% Standard error 5.92 points

DAMAGE CALC

252+ Atk Ferrothorn Power Whip vs. 252 HP / 252+ Def Clefable: 153-180 (38.8 - 45.6%) -- guaranteed 3HKO after Leftovers recovery

View Clefable counters → Teams with Clefable →

Magearna

SteelFairy SOFT CHECK View matchup

350.868

35.2

53.5% Standard error 4.57 points

DAMAGE CALC

252+ SpA Magearna Hidden Power Fire vs. 252 HP / 252+ SpD Ferrothorn: 188-224 (53.4 - 63.6%) -- guaranteed 2HKO after Leftovers recovery

View Magearna counters → Teams with Magearna →

Landorus-Therian

GroundFlying SOFT CHECK View matchup

440.042

32.2

48.6% Standard error 4.11 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 →

Gliscor

GroundFlying DEFENSIVE CHECK View matchup

195.039

31.3

55.7% Standard error 6.11 points

DAMAGE CALC

252+ Atk Ferrothorn Power Whip vs. 252 HP / 252+ Def Gliscor: 106-126 (29.9 - 35.5%) -- 26.4% chance to 3HKO

View Gliscor counters → Teams with Gliscor →

Ferrothorn

GrassSteel SOFT CHECK View matchup

393.982

30.4

47.7% Standard error 4.34 points

DAMAGE CALC

252+ Atk Ferrothorn Knock Off (97.5 BP) vs. 252 HP / 0 Def Ferrothorn: 74-88 (21 - 25%) -- 0.1% chance to 4HKO

View Ferrothorn counters → Teams with Ferrothorn →

Kyurem-Black

DragonIce OFFENSIVE CHECK View matchup

131.245

27.5

57.2% Standard error 7.43 points

DAMAGE CALC

252+ Atk Kyurem-Black Freeze Shock vs. 252 HP / 0 Def Ferrothorn: 244-288 (69.3 - 81.8%) -- guaranteed 2HKO after Leftovers recovery

View Kyurem-Black counters → Teams with Kyurem-Black →

Greninja

WaterDark SOFT CHECK View matchup

340.526

27.5

46.0% Standard error 4.63 points

DAMAGE CALC

252+ SpA Choice Specs Greninja Hidden Power Fire vs. 252 HP / 252+ SpD Ferrothorn: 240-284 (68.1 - 80.6%) -- guaranteed 2HKO after Leftovers recovery

View Greninja counters → Teams with Greninja →

Tornadus-Therian

Flying SOFT CHECK View matchup

280.799

26.2

46.8% Standard error 5.13 points

DAMAGE CALC

252+ SpA Tornadus-Therian Heat Wave vs. 252 HP / 252+ SpD Ferrothorn: 264-312 (75 - 88.6%) -- guaranteed 2HKO after Leftovers recovery

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

Scizor-Mega

BugSteel OFFENSIVE CHECK View matchup

75.395

25.5

63.2% Standard error 9.41 points

DAMAGE CALC

252+ Atk Scizor-Mega Superpower vs. 252 HP / 0 Def Ferrothorn: 254-300 (72.1 - 85.2%) -- guaranteed 2HKO after Leftovers recovery

View Scizor-Mega counters →

Lopunny-Mega

NormalFighting OFFENSIVE CHECK View matchup

21.872

24.3

65.1% Standard error 10.19 points

DAMAGE CALC

252+ Atk Lopunny-Mega High Jump Kick vs. 252 HP / 0 Def Ferrothorn: 384-452 (109 - 128.4%) -- guaranteed OHKO

View Lopunny-Mega counters →

Alakazam-Mega

Psychic OFFENSIVE CHECK View matchup

50.043

24.3

62.8% Standard error 9.64 points

DAMAGE CALC

252+ SpA Alakazam-Mega Focus Blast vs. 252 HP / 252+ SpD Ferrothorn: 234-276 (66.4 - 78.4%) -- guaranteed 2HKO after Leftovers recovery

View Alakazam-Mega counters →

Tapu Lele

PsychicFairy SOFT CHECK View matchup

128.454

21.6

51.8% Standard error 7.55 points

DAMAGE CALCPsychic Terrain

252+ SpA Choice Specs Tapu Lele Hidden Power Fire vs. 252 HP / 252+ SpD Ferrothorn: 280-332 (79.5 - 94.3%) -- guaranteed 2HKO after Leftovers recovery

View Tapu Lele counters → Teams with Tapu Lele →

Tyranitar-Mega

RockDark DEFENSIVE CHECK View matchup

42.94

21.4

62.7% Standard error 10.33 points

DAMAGE CALCSand

252+ Atk Ferrothorn Power Whip vs. 252 HP / 252+ Def Tyranitar-Mega: 186-222 (46 - 54.9%) -- 61.3% chance to 2HKO

View Tyranitar-Mega counters →

Ranked #5 with 20.41% usage. Sorted by conservative score.