Is Tornadus-Therian viable in Gen 8 OU?

Tornadus-Therian is ranked #5 in Gen 8 OU with 23.96% usage according to Smogon Jul 2026 - Sep 2026 data.

What beats Tornadus-Therian in Gen 8 OU?

Clefable 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 22.323224422352556 relevant encounters. Standard error is 8.3 points. Sets and switch conditions can change the result.

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

Tornadus-Therian counters

Gen 8 OU · Smogon source period Jul 2026 - Sep 2026

#0641 Tornadus-Therian

Flying

USAGE 24.0% #5

ABILITYRegenerator

BASE STATS

HP 79

ATK 100

DEF 80

SPA 110

SPD 90

SPE 121

BST580

TYPE MATCHUPS

2×

ElectricIceRock

½×

GrassFightingBug

0×

Ground

Moves

U-turn 91.1% Knock Off 79.9% Hurricane 65.7% Defog 64.6% Heat Wave 46.4% Toxic 18.2% Taunt 13.2% Nasty Plot 6.5%

Items

Heavy-Duty Boots 83.6% Assault Vest 13.1% Eject Button 1.6% Expert Belt 1.2% Life Orb 0.3% Wacan Berry 0.2% Choice Scarf 0.1% Choice Specs 0.0%

Abilities

Regenerator100.0%

Common Teammates

Landorus-Therian22.7%

Melmetal21.6%

Browse Gen 8 OU teams using Tornadus-Therian →

Explore Tornadus-Therian + Clefable teams 48 score Explore Tornadus-Therian + Toxapex teams 42 score Explore Tornadus-Therian + Landorus-Therian teams 3 score Explore Tornadus-Therian + Tornadus-Therian teams -7 score Explore Tornadus-Therian + Corviknight teams -8 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

Tornadus-Therian + Clefable 36.3% 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

Clefable

Fairy DEFENSIVE CHECK View matchup

22.323

47.5

80.8% Standard error 8.33 points

DAMAGE CALC

0- SpA Tornadus-Therian Hurricane vs. 252 HP / 0 SpD Clefable: 127-150 (32.2 - 38%) -- 1.3% chance to 3HKO after Leftovers recovery

View Clefable counters → Teams with Clefable →

Toxapex

PoisonWater DEFENSIVE CHECK View matchup

61.025

42.3

66.5% Standard error 6.04 points

DAMAGE CALC

0- SpA Tornadus-Therian Hurricane vs. 252 HP / 0 SpD Toxapex: 85-102 (27.9 - 33.5%) -- 0.1% chance to 3HKO

View Toxapex counters → Teams with Toxapex →

Landorus-Therian

GroundFlying SOFT CHECK View matchup

42.188

3.5

32.3% Standard error 7.20 points

DAMAGE CALC

252+ Atk Landorus-Therian Stone Edge vs. 252 HP / 0 Def Tornadus-Therian: 314-370 (86.7 - 102.2%) -- 18.8% chance to OHKO

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

Tornadus-Therian

Flying SOFT CHECK View matchup

20.701

-7.4

34.3% Standard error 10.43 points

DAMAGE CALC

252+ Atk Tornadus-Therian Knock Off (97.5 BP) vs. 252 HP / 0 Def Tornadus-Therian: 117-138 (32.3 - 38.1%) -- 96.6% chance to 3HKO

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

Corviknight

FlyingSteel SOFT CHECK View matchup

30.815

-7.9

21.9% Standard error 7.45 points

DAMAGE CALC

252+ Atk Corviknight Brave Bird vs. 252 HP / 0 Def Tornadus-Therian: 198-234 (54.6 - 64.6%) -- guaranteed 2HKO

View Corviknight counters → Teams with Corviknight →

Ranked #5 with 23.96% usage. Sorted by conservative score.