Is Thundurus-Therian viable in Gen 5 OU?

Thundurus-Therian is ranked #10 in Gen 5 OU with 20.54% usage according to Smogon May 2026 - Jul 2026 data.

What beats Thundurus-Therian in Gen 5 OU?

Latios has the strongest conservative score in this observed May 2026 - Jul 2026 sample. The target was knocked out or switched out in 75.3% of 113.11482115569589 relevant encounters. Standard error is 5.7 points. Sets and switch conditions can change the result.

How are Thundurus-Therian matchup checks ranked in Gen 5 OU?

They are ranked by p minus four standard errors. Here, p is the observed fraction of relevant encounters where Thundurus-Therian was knocked out or switched out. This is not a set-specific battle guarantee.

Thundurus-Therian counters

Gen 5 OU · Sorted by p − 4 standard errors · Smogon source period May 2026 - Jul 2026 · Generated 2026-08-05

#0642 Thundurus-Therian

ElectricFlying

USAGE 20.5% #10

BASE STATS

HP 79

ATK 105

DEF 70

SPA 145

SPD 80

SPE 101

BST580

TYPE MATCHUPS

2×

IceRock

½×

GrassFightingFlyingBugSteel

0×

Ground

Moves

Hidden Power Ice 99.6% Thunder 88.9% Focus Blast 82.1% Nasty Plot 58.0% Agility 35.4% Thunderbolt 10.8% Substitute 7.0% Grass Knot 5.8%

Items

Leftovers 83.9% Yache Berry 9.2% Choice Scarf 2.2% Lum Berry 1.8% Sitrus Berry 1.7% Choice Specs 0.8% Life Orb 0.2% Expert Belt 0.2%

Common Teammates

Landorus-Therian20.7%

Browse Gen 5 OU teams using Thundurus-Therian →

Explore Thundurus-Therian + Latios teams 52 score Explore Thundurus-Therian + Alakazam teams 29 score Explore Thundurus-Therian + Starmie teams 20 score Explore Thundurus-Therian + Keldeo teams 20 score Explore Thundurus-Therian + Tyranitar teams 17 score Explore Thundurus-Therian + Thundurus-Therian teams 6 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

Thundurus-Therian + Politoed 90.6% 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

Latios

DragonPsychic OFFENSIVE CHECK View matchup

113.115

52.4

75.3% Standard error 5.73 points

DAMAGE CALC

252+ SpA Latios Draco Meteor vs. 252 HP / 252+ SpD Thundurus-Therian: 210-247 (58 - 68.2%) -- guaranteed 2HKO after Leftovers recovery

View Latios counters → Teams with Latios →

Alakazam

Psychic OFFENSIVE CHECK View matchup

20.426

28.6

69.4% Standard error 10.20 points

DAMAGE CALC

252+ SpA Alakazam Psyshock vs. 252 HP / 0 Def Thundurus-Therian: 198-234 (54.6 - 64.6%) -- guaranteed 2HKO after Leftovers recovery

View Alakazam counters → Teams with Alakazam →

Starmie

WaterPsychic OFFENSIVE CHECK View matchup

27.248

20.3

58.2% Standard error 9.45 points

DAMAGE CALC

0- SpA Starmie Ice Beam vs. 252 HP / 252+ SpD Thundurus-Therian: 102-122 (28.1 - 33.7%) -- 96.4% chance to 4HKO after Leftovers recovery

View Starmie counters → Teams with Starmie →

Keldeo

WaterFighting SOFT CHECK View matchup

32.707

20.2

55.0% Standard error 8.70 points

DAMAGE CALC

252+ SpA Choice Specs Keldeo Hydro Pump vs. 252 HP / 252+ SpD Thundurus-Therian: 267-315 (73.7 - 87%) -- guaranteed 2HKO after Leftovers recovery

View Keldeo counters → Teams with Keldeo →

Tyranitar

RockDark OFFENSIVE CHECK View matchup

25.408

16.7

56.1% Standard error 9.85 points

DAMAGE CALCSand

252+ Atk Tyranitar Rock Slide vs. 252 HP / 0 Def Thundurus-Therian: 372-438 (102.7 - 120.9%) -- guaranteed OHKO

View Tyranitar counters → Teams with Tyranitar →

Thundurus-Therian

ElectricFlying SOFT CHECK View matchup

24.217

6.5

47.1% Standard error 10.14 points

DAMAGE CALC

252+ SpA Thundurus-Therian Hidden Power Ice vs. 252 HP / 252+ SpD Thundurus-Therian: 152-180 (41.9 - 49.7%) -- guaranteed 3HKO after Leftovers recovery

View Thundurus-Therian counters → Teams with Thundurus-Therian →

Jirachi

SteelPsychic SOFT CHECK View matchup

21.395

-2.4

40.0% Standard error 10.59 points

DAMAGE CALC

252+ Atk Jirachi Ice Punch vs. 252 HP / 0 Def Thundurus-Therian: 202-238 (55.8 - 65.7%) -- guaranteed 2HKO after Leftovers recovery

View Jirachi counters → Teams with Jirachi →

Landorus-Therian

GroundFlying SOFT CHECK View matchup

27.979

-6.7

26.8% Standard error 8.37 points

DAMAGE CALC

252+ Atk Landorus-Therian Explosion vs. 252 HP / 0 Def Thundurus-Therian: 434-511 (119.8 - 141.1%) -- guaranteed OHKO

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

Ferrothorn

GrassSteel SOFT CHECK View matchup

72.774

-9.3

12.7% Standard error 5.52 points

DAMAGE CALC

252+ Atk Ferrothorn Explosion vs. 252 HP / 0 Def Thundurus-Therian: 320-377 (88.3 - 104.1%) -- 25% chance to OHKO

View Ferrothorn counters → Teams with Ferrothorn →

Ranked #10 with 20.54% usage. Sorted by conservative score.