Mega Gyarados Raid Guide
WaterDark
The best counters, weaknesses, and catch CP for beating Mega Gyarados in Pokémon GO raids — computed from every attacker's stats and movepool in our imported game-data snapshot (dated below the counter table).
Catch CP (L20)
2597–2695
Raid IV floor is 10 — 2695 means a 100% IV catch.
Weather-boosted (L25)
3247–3369
Boosted in Rainy or Fog weather.
Top weakness
FightingBugGrass
Fighting hits ×1.60.
Best counters
All viable counters — ranked by DPS³×TDOSuper-effective charged moves only
All movesetsRegular movesets (no Elite TM)
#1











Mega Lucario
Force Palm + Aura Sphere
Fighting30.7 DPS781 TDOLegacy
#2Mega Sceptile
Fury Cutter + Frenzy Plant
Grass27.4 DPS737 TDOLegacy
#3Mega Heracross
Counter + Megahorn
Bug24.7 DPS862 TDO
#4Regieleki
Lock On + Thunder Cage
Electric28.2 DPS579 TDOLegacy
#5Mega Blaziken
Counter + Focus Blast
Fighting25.0 DPS672 TDO
#6Zekrom
Charge Beam + Fusion Bolt
Electric22.5 DPS802 TDOLegacy
#7Mega Gardevoir
Charm + Dazzling Gleam
Fairy23.1 DPS743 TDO
#8Terrakion
Double Kick + Sacred Sword
Fighting22.3 DPS740 TDOLegacy
#9Primal Groudon
Mud Shot + Solar Beam
Grass20.2 DPS954 TDO
#10Mega Latias
Charm + Aura Sphere
Fighting20.3 DPS931 TDO
#11Mega Alakazam
Counter + Focus Blast
Fighting23.4 DPS598 TDOLegacy
#12Lucario
Force Palm + Aura Sphere
Fighting24.2 DPS516 TDOLegacy
DPS and estimated total damage output (TDO) are computed against Mega Gyarados's actual typing and Mega boss stats — each attacker's best fast + charged pairing, ranked by the combined DPS³ × TDO score. Legacy marks movesets that need an Elite TM. This is per-boss matchup math, not the neutral-target tier list. Full formula on the methodology page.
Source: pogoapi.net · Data snapshot: Aug 24, 2026 · 10,016 rows · Methodology
Weaknesses
Fighting×1.60
Bug×1.60
Grass×1.60
Electric×1.60
Fairy×1.60
Mega Gyarados's moves
DragonDragon Tail
fastWaterWaterfall
fastDarkBite
fastDragonDragon Breath
fastWaterHydro Pump
chargedDragonOutrage
chargedDragonDragon Pulse
chargedDarkCrunch
chargedWaterAqua Tail
chargedDodge when the screen flashes — the charged moves above are what hit hardest.