Is Gyarados-Mega viable in Gen 6 Pure Hackmons?

Gyarados-Mega is ranked #4 in Gen 6 Pure Hackmons with 34.82% usage according to Smogon Feb 2026 - Apr 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 71.2% win rate when they meet. Based on Smogon's Feb 2026 - Apr 2026 usage data, the top Pokémon that beat Gyarados-Mega include Slaking, Xerneas, Mewtwo-Mega-X, Gyarados-Mega, Rayquaza-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 71.2% of their encounters.

Gyarados-Mega counters

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

#0130 Gyarados-Mega

WaterDark

USAGE 34.8% #4

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 86.3% Pursuit 81.2% Beat Up 41.3% Sucker Punch 36.2% Knock Off 24.7% Ice Shard 23.9% Poison Jab 15.1% Gastro Acid 11.3%

Items

Lum Berry 62.0% Choice Band 18.1% Gyaradosite 7.2% Toxic Orb 5.2% Leftovers 1.5% Dread Plate 1.3% Shed Shell 1.0% Focus Sash 0.9%

Abilities

Huge Power80.6%Mold Breaker8.0%Poison Heal5.2%Pure Power3.9%Prankster1.2%Shadow Tag0.6%Magic Bounce0.3%Wonder Guard0.1%

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

48.558

71.2% dies 8.89%

DAMAGE CALC

252+ Atk Slaking Low Kick (120 BP) vs. 252 HP / 0 Def Gyarados-Mega: 312-368 (79.1 - 93.4%) -- guaranteed 2HKO

View Slaking counters → Teams with Slaking →

Xerneas

Fairy OFFENSIVE CHECK

62.699

67.6% dies 8.33%

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 →

Mewtwo-Mega-X

PsychicFighting OFFENSIVE CHECK

127.023

65.4% dies 5.96%

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 →

Gyarados-Mega

WaterDark SOFT CHECK

60.478

42.6% dies 8.94%

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

110.113

41.8% dies 6.56%

DAMAGE CALC

0- Atk Rayquaza-Mega Dragon Ascent vs. 252 HP / 0 Def Gyarados-Mega: 181-214 (45.9 - 54.3%) -- 53.1% chance to 2HKO

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

Blissey

Normal SOFT CHECK

20.119

41.2% dies 10.97%

Kyogre-Primal

Water SOFT CHECK

58.576

28.2% dies 8.21%

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 →

Giratina

GhostDragon SOFT CHECK

124.555

18.0% dies 4.80%

Deoxys-Speed

Psychic SOFT CHECK

61.911

16.6% dies 6.63%

Groudon-Primal

GroundFire SOFT CHECK

55.715

12.8% dies 6.27%

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 →

Ranked #4 with 34.82% usage. Sorted by reliability score.