Mega raid Shiny available Water Dark

Mega Gyarados Raid Guide

Q: What are the best counters for Mega Gyarados?

The top counter is Shadow Thundurus (Therian) with Volt Switch and Wildbolt Storm at 29.7 DPS against Mega Gyarados. Mega Lucario (28.8) and Mega Blaziken (28.8) follow.

Q: Can I beat Mega Gyarados without Shadow or Mega Pokemon?

Yes. The best non-Shadow, non-Mega option is Regieleki at 27.5 DPS, 93% of what the top counter deals. Thundurus (Therian) and Pheromosa are the next ones down.

Weak to Bug, Electric, Fairy, Fighting, Grass — every counter below is ranked by DPS against Mega Gyarados.

Boosted in Rainy, Windy 20 counters ranked

Catch CP

2,762

Lv 20 · 100% IV

Weather CP

3,436

Lv 25 · 100% IV

Trainers

Min 2 at Lv 40+

Top DPS

29.7

Shadow Thundurus (Therian)

Best counters

Ranked by DPS against Mega Gyarados. Tap a row for full stats.

Shadow Thundurus (Therian) Volt SwitchWildbolt Storm 29.7DPS 269TDO 2

Mega Lucario Force PalmAura Sphere 28.8DPS 311TDO 3

Mega Blaziken CounterAura Sphere 28.8DPS 331TDO 4

Regieleki Lock OnThunder Cage 27.5DPS 236TDO 5

Mega Sceptile Fury CutterFrenzy Plant 26.7DPS 306TDO 6

Shadow Blaziken CounterAura Sphere 25.3DPS 203TDO 7

Thundurus (Therian) Volt SwitchWildbolt Storm 24.8DPS 270TDO 8

Mega Heracross CounterMegahorn 24.4DPS 372TDO 9

Pheromosa Bug BiteFocus Blast 24.3DPS 129TDO 10

Mega Gardevoir CharmDazzling Gleam 23.4DPS 325TDO 11

Mega Alakazam CounterFocus Blast 23.2DPS 252TDO 12

Kartana Razor LeafLeaf Blade 23.1DPS 209TDO 13

Mega Manectric Thunder FangWild Charge 22.9DPS 253TDO 14

Xurkitree Thunder ShockDischarge 22.8DPS 231TDO 15

Shadow Raikou Thunder ShockAura Sphere 22.3DPS 270TDO 16

Shadow Electivire Thunder ShockWild Charge 22.3DPS 198TDO 17

Shadow Sceptile Fury CutterFrenzy Plant 22.2DPS 193TDO 18

Lucario Force PalmAura Sphere 22.0DPS 195TDO 19

Shadow Conkeldurr CounterDynamic Punch 22.0DPS 243TDO 20

Mega Gallade Low KickClose Combat 21.9DPS 306TDO

Budget counters

No Shadow, Mega or Primal forms needed.

Regieleki Lock OnThunder Cage 27.5DPS 236TDO 7

Thundurus (Therian) Volt SwitchWildbolt Storm 24.8DPS 270TDO 9

Pheromosa Bug BiteFocus Blast 24.3DPS 129TDO 12

Kartana Razor LeafLeaf Blade 23.1DPS 209TDO 14

Xurkitree Thunder ShockDischarge 22.8DPS 231TDO 18

Lucario Force PalmAura Sphere 22.0DPS 195TDO

Ranks are kept from the main list, so you can see how far behind the premium options they sit.

How counters are ranked

Every released Pokemon is simulated at level 40 against Mega Gyarados using the in-game damage formula and the current Game Master move data. Each fast + charged combination is tested; only the best moveset per Pokemon is listed.

DPS is damage per second over a full attack cycle. TDO is the total damage dealt before fainting, so it rewards bulk. Shadow forms are ranked with their 20% Attack boost and 17% Defense penalty; Mega and Primal forms use their boosted base stats.

Stats & weaknesses

Raid tier: Mega
Weather boost: Rainy, Windy
Shiny available: Yes
Base Attack: 292
Base Defense: 247
Base Stamina: 216

Weak to — use these types

Bug1.6× Electric1.6× Fairy1.6× Fighting1.6× Grass1.6×

Resists — avoid these types

Psychic0.390625× Dark0.625× Fire0.625× Ghost0.625× Ice0.625× Steel0.625× Water0.625×

Catch CP after the raid

The CP you will see on the encounter screen.

IVs	Lv 20 CP	Lv 25 CP (weather)
10 / 10 / 10 floor	2,662	3,312
15 / 15 / 15 100%	2,762	3,436

Raid catches have an IV floor of 10/10/10, so the two rows are the real minimum and maximum. If you see 2,762 CP it is a perfect Mega Gyarados — throw a Golden Razz Berry.

Raid guide

How the fight goes and what to bring.

Trainer difficulty 2 trainers with six level-40 top counters each; plan for 3+ with mixed teams. Worked out from the boss HP, the raid timer and the counter DPS above.

Mega Gyarados resists Psychic, Dark, Fire, Ghost, Ice, Steel, Water — leave those attackers out even if they are your highest CP.

FAQ

What are the best counters for Mega Gyarados?

The top counter is Shadow Thundurus (Therian) with Volt Switch and Wildbolt Storm at 29.7 DPS against Mega Gyarados. Mega Lucario (28.8) and Mega Blaziken (28.8) follow.

What is Mega Gyarados weak to?

Mega Gyarados takes super effective damage from Bug, Electric, Fairy, Fighting, Grass-type moves.

How many trainers do I need to beat Mega Gyarados?

2 trainers can do it if each brings six level-40 top counters (they average 27.8 DPS against Mega Gyarados). With mixed teams plan for 3 or more — the estimate comes from the boss HP, the raid timer and the counter DPS on this page.

Can I beat Mega Gyarados without Shadow or Mega Pokemon?

Yes. The best non-Shadow, non-Mega option is Regieleki at 27.5 DPS, 93% of what the top counter deals. Thundurus (Therian) and Pheromosa are the next ones down.

Can Mega Gyarados be shiny?

Yes — the encounter after this raid can be shiny.

What weather boosts Mega Gyarados?

Rainy, Windy. Boss moves of the boosted types hit 20% harder (so do yours), and the catch is level 25 instead of 20: 3,312–3,436 CP instead of 2,662–2,762. The 10/10/10 IV floor is the same either way.

Is Mega Gyarados worth raiding?

As one of your own Pokemon, Mega Gyarados ranks #10 among Water-type raid attackers (Tier B). Useful, not essential — raid it if you need the candy or the dex entry.

What is the best moveset for Mega Gyarados?

The counter list on this page is for beating Mega Gyarados. For the moves Mega Gyarados should use as your attacker, open its full stats page.

Explore more

All raid bosses Every boss in the current rotation Best Bug attackers Top Bug-type Pokemon ranked by DPS Mega Gyarados Pokedex Base stats, moves and evolutions