Is Ferrothorn viable in Gen 8 OU?

Ferrothorn is ranked #6 in Gen 8 OU with 23.02% usage according to Smogon Jul 2026 - Sep 2026 data.

What beats Ferrothorn in Gen 8 OU?

Heatran has the strongest conservative score in this observed Jul 2026 - Sep 2026 sample. The target was knocked out or switched out in 83.0% of 22.305097151103375 relevant encounters. Standard error is 8.0 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 · Smogon source period Jul 2026 - Sep 2026

#0598 Ferrothorn

GrassSteel

USAGE 23.0% #6

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 97.2% Knock Off 80.9% Spikes 69.0% Gyro Ball 44.1% Stealth Rock 31.6% Power Whip 25.2% Body Press 24.9% Thunder Wave 9.7%

Items

Leftovers 73.9% Rocky Helmet 21.7% Eject Button 3.4% Chople Berry 0.7% Choice Band 0.2% Rawst Berry 0.0% Shed Shell 0.0% Assault Vest 0.0%

Abilities

Iron Barbs100.0%Anticipation0.0%

Common Teammates

Landorus-Therian55.3%

Zapdos32.6%

Weavile28.8%

Tornadus-Therian26.1%

Browse Gen 8 OU teams using Ferrothorn →

Explore Ferrothorn + Heatran teams 51 score Explore Ferrothorn + Corviknight teams 30 score Explore Ferrothorn + Blissey teams -15 score Explore Ferrothorn + Toxapex teams -16 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 55.3% 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

22.305

51.2

83.0% Standard error 7.96 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 →

Corviknight

FlyingSteel DEFENSIVE CHECK View matchup

50.025

29.8

57.8% Standard error 6.98 points

DAMAGE CALC

252+ Atk Ferrothorn Knock Off (97.5 BP) vs. 252 HP / 252+ Def Corviknight: 65-77 (16.2 - 19.2%) -- possible 6HKO

View Corviknight counters → Teams with Corviknight →

Blissey

Normal SOFT CHECK View matchup

23.331

-14.7

9.1% Standard error 5.94 points

DAMAGE CALC

Blissey Seismic Toss vs. 252 HP Ferrothorn: 100-100 (28.4 - 28.4%) -- guaranteed 5HKO after Leftovers recovery

View Blissey counters → Teams with Blissey →

Toxapex

PoisonWater SOFT CHECK View matchup

20.657

-15.7

18.5% Standard error 8.55 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 #6 with 23.02% usage. Sorted by conservative score.