Gyarados-Mega counters

Gen 9 National Dex · Sorted by reliability score · Smogon · Apr 2026 - Jun 2026

#0130 Gyarados-Mega

WaterDark

USAGE 2.0% #70

BASE STATS

HP 95

ATK 155

DEF 109

SPA 70

SPD 130

SPE 81

BST640

TYPE MATCHUPS

2×

ElectricGrassFightingBugFairy

½×

FireWaterIceGhostDarkSteel

0×

Psychic

Moves

Dragon Dance 99.6% Waterfall 88.5% Crunch 65.6% Earthquake 48.0% Substitute 33.7% Bounce 24.8% Taunt 23.1% Power Whip 7.4%

Items

Gyaradosite 100.0%

Common Teammates

Ninetales-Alola38.0%

Klefki25.2%

Iron Valiant17.8%

Checks & Counters

Ranked by reliability — blends KO rate with how often each Pokémon is matched up.

# Checker Encounters Reliability KO Rate

01

Zamazenta

Fighting OFFENSIVE CHECK

27.673

73

72.8% dies 8.45%

DAMAGE CALC

252+ Atk Zamazenta Close Combat vs. 252 HP / 0 Def Gyarados-Mega: 378-446 (95.9 - 113.1%) -- 75% chance to OHKO

View Zamazenta counters → Teams with Zamazenta →

02

Corviknight

FlyingSteel SOFT CHECK

21.592

33

33.4% dies 10.15%

DAMAGE CALC

252+ Atk Corviknight Brave Bird vs. 252 HP / 0 Def Gyarados-Mega: 153-181 (38.8 - 45.9%) -- guaranteed 3HKO

View Corviknight counters → Teams with Corviknight →

03

Great Tusk

GroundFighting SOFT CHECK

21.741

29

29.0% dies 9.73%

DAMAGE CALC

252+ Atk Great Tusk Close Combat vs. 252 HP / 0 Def Gyarados-Mega: 404-476 (102.5 - 120.8%) -- guaranteed OHKO

View Great Tusk counters → Teams with Great Tusk →

04

Landorus-Therian

Landorus-Therian

GroundFlying SOFT CHECK

26.154

21

21.1% dies 7.97%

DAMAGE CALC

252+ Atk Landorus-Therian Explosion vs. 252 HP / 0 Def Gyarados-Mega: 301-355 (76.3 - 90.1%) -- guaranteed 2HKO

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

05

Alomomola

Water SOFT CHECK

26.081

18

18.0% dies 7.52%

DAMAGE CALC

252+ Atk Alomomola Play Rough vs. 252 HP / 0 Def Gyarados-Mega: 140-166 (35.5 - 42.1%) -- guaranteed 3HKO

View Alomomola counters → Teams with Alomomola →

Ranked #70 with 1.99% usage. Sorted by reliability score.