Is Gyarados-Mega viable in Gen 6 Pure Hackmons?

Gyarados-Mega is ranked #5 in Gen 6 Pure Hackmons with 34.75% usage according to Smogon Apr 2026 - Jun 2026 data.

What beats Gyarados-Mega in Gen 6 Pure Hackmons?

The best counter for Gyarados-Mega in Gen 6 Pure Hackmons is Slaking with a 81.6% win rate when they meet. Based on Smogon's Apr 2026 - Jun 2026 usage data, the top Pokémon that beat Gyarados-Mega include Slaking, Mewtwo-Mega-X, Xerneas, Sableye-Mega, Swampert-Mega.

What is the best counter for Gyarados-Mega in Gen 6 Pure Hackmons?

Slaking is the best counter for Gyarados-Mega in Gen 6 Pure Hackmons, KOing or forcing it out in 81.6% of their encounters.

Gyarados-Mega counters

Gen 6 Pure Hackmons · Sorted by reliability score · Smogon · Apr 2026 - Jun 2026

#0130 Gyarados-Mega

WaterDark

USAGE 34.8% #5

ABILITYHuge Power

BASE STATS

HP 95

ATK 155

DEF 109

SPA 70

SPD 130

SPE 81

BST640

TYPE MATCHUPS

2×

ElectricGrassFightingBugFairy

½×

FireWaterIceGhostDarkSteel

0×

Psychic

Moves

Water Shuriken 78.2% Pursuit 64.1% Beat Up 43.7% Sucker Punch 32.6% Knock Off 26.1% Ice Shard 21.6% Shell Smash 21.3% Poison Jab 15.0%

Items

Lum Berry 46.3% Gyaradosite 26.4% Choice Band 16.0% Toxic Orb 5.3% Shed Shell 2.4% Dread Plate 1.1% Black Glasses 0.9% Leftovers 0.5%

Abilities

Huge Power60.5%Mold Breaker26.5%Poison Heal5.3%Pure Power5.3%Wonder Guard1.5%Shadow Tag0.5%Magic Bounce0.2%Prankster0.2%

Common Teammates

Checks & Counters

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

# Checker Encounters Reliability KO Rate

Slaking

Normal OFFENSIVE CHECK

23.59

81.6% dies 7.98%

DAMAGE CALC

252+ Atk Slaking Play Rough vs. 252 HP / 0 Def Gyarados-Mega: 234-276 (59.3 - 70%) -- guaranteed 2HKO

View Slaking counters → Teams with Slaking →

Mewtwo-Mega-X

PsychicFighting OFFENSIVE CHECK

193.046

68.9% dies 5.68%

DAMAGE CALC

252+ Atk Huge Power Mewtwo-Mega-X Play Rough vs. 252 HP / 0 Def Gyarados-Mega: 534-630 (135.5 - 159.8%) -- guaranteed OHKO

View Mewtwo-Mega-X counters → Teams with Mewtwo-Mega-X →

Xerneas

Fairy OFFENSIVE CHECK

56.508

63.3% dies 9.01%

DAMAGE CALC

252+ SpA Xerneas Moonblast vs. 252 HP / 252+ SpD Gyarados-Mega: 206-246 (52.2 - 62.4%) -- guaranteed 2HKO

View Xerneas counters → Teams with Xerneas →

Sableye-Mega

DarkGhost SOFT CHECK

20.901

51.9% dies 10.93%

Swampert-Mega

WaterGround SOFT CHECK

23.554

48.5% dies 10.30%

DAMAGE CALC

252+ Atk Swampert-Mega Thousand Arrows vs. 252 HP / 0 Def Gyarados-Mega: 168-198 (42.6 - 50.2%) -- 0.4% chance to 2HKO

View Swampert-Mega counters → Teams with Swampert-Mega →

Chansey

Normal SOFT CHECK

24.063

48.4% dies 10.19%

DAMAGE CALC

252+ SpA Chansey Chatter vs. 252 HP / 252+ SpD Gyarados-Mega: 22-27 (5.5 - 6.8%)

View Chansey counters → Teams with Chansey →

Gyarados-Mega

WaterDark SOFT CHECK

66.009

48.1% dies 8.69%

DAMAGE CALC

0- Atk Huge Power Gyarados-Mega Poison Jab vs. 252 HP / 0 Def Gyarados-Mega: 141-166 (35.7 - 42.1%) -- guaranteed 3HKO

View Gyarados-Mega counters → Teams with Gyarados-Mega →

Rayquaza-Mega

DragonFlying SOFT CHECK

144.984

47.9% dies 7.01%

DAMAGE CALC

252+ SpA Rayquaza-Mega Oblivion Wing vs. 252 HP / 252+ SpD Gyarados-Mega: 109-130 (27.6 - 32.9%) -- guaranteed 4HKO

View Rayquaza-Mega counters → Teams with Rayquaza-Mega →

Blissey

Normal SOFT CHECK

20.119

41.2% dies 10.97%

Regigigas

Normal SOFT CHECK

28.875

39.9% dies 9.11%

DAMAGE CALC

252+ Atk Regigigas Extreme Speed vs. 252 HP / 0 Def Gyarados-Mega: 156-184 (39.5 - 46.7%) -- guaranteed 3HKO

View Regigigas counters → Teams with Regigigas →

Kyogre-Primal

Water SOFT CHECK

72.99

38.6% dies 9.56%

DAMAGE CALC

252+ SpA Kyogre-Primal Scald vs. 252 HP / 252+ SpD Gyarados-Mega: 54-65 (13.7 - 16.4%) -- possible 7HKO

View Kyogre-Primal counters → Teams with Kyogre-Primal →

Groudon-Primal

GroundFire SOFT CHECK

83.589

29.6% dies 6.22%

DAMAGE CALC

252+ Atk Groudon-Primal Close Combat vs. 252 HP / 0 Def Gyarados-Mega: 342-404 (86.8 - 102.5%) -- 18.8% chance to OHKO

View Groudon-Primal counters → Teams with Groudon-Primal →

Aegislash

SteelGhost SOFT CHECK

24.439

28.8% dies 9.16%

Arceus

Normal SOFT CHECK

53.786

25.5% dies 8.37%

Giratina

GhostDragon SOFT CHECK

225.786

24.6% dies 4.88%

Gengar-Mega

GhostPoison SOFT CHECK

44.326

19.8% dies 8.10%

DAMAGE CALC

252+ SpA Gengar-Mega Secret Sword vs. 252 HP / 0 Def Gyarados-Mega: 232-274 (58.8 - 69.5%) -- guaranteed 2HKO

View Gengar-Mega counters → Teams with Gengar-Mega →

Deoxys-Speed

Psychic SOFT CHECK

85.622

18.8% dies 7.15%

Ranked #5 with 34.75% usage. Sorted by reliability score.