Pokémon GO: Mega-Gyarados Counters – The 20 Best Attackers in the Raid Guide

The best counters against Mega-Gyarados in Pokémon GO in the guide. We show you the strongest attackers and movesets. This way, you can defeat Mega-Gyarados in raids. 

What kind of Pokémon is Mega-Gyarados? Gyarados comes from the first generation of Pokémon and is of the Water and Flying types. Its Mega form is even stronger, and the Flying type changes to Dark.

Here we show you the best counters against Mega-Gyarados and which types it is weak against (type effectiveness).

When is Mega-Gyarados in Pokémon GO? You can find it from May 12 to May 25, 2025. During this time, it will return to Mega Raids.

Defeat Mega-Gyarados in raids with these counters 

1. Mega-Lucario with Aura Sphere and Power-Up Punch
2. Mega-Sceptile with Leaf Blade and Frenzy Plant
3. Mega-Scizor with Counter and Bullet Punch
4. Keldeo with Low Kick and Sacred Sword
5. Mega-Gardevoir with Charm and Dazzling Gleam
6. Katagami with Leaf Blade and Leaf Tornado
7. Shadow Raikou with Thunder Shock and Wild Charge
8. Lucario with Aura Sphere and Power-Up Punch
9. Shadow Sceptile with Leaf Blade and Frenzy Plant
10. Shadow Machamp with Counter and Dynamic Punch
11. Mega-Rayquaza with Dragon Ascent and Hurricane
12. Zacian with Quick Attack and Play Rough
13. Terrakion with Double Kick and Sacred Sword
14. Mega-Voltenso with Thunder Fang and Wild Charge
15. Mega-Venusaur with Vine Whip and Frenzy Plant
16. Voltorn with Thunder Shock and Charge Beam
17. Kapu-Riki with Volt Switch and Nature’s Madness
18. Shaymin (Sky Form) with Leaf Storm and Seed Flare
19. Shadow Zapdos with Thunder Shock and Thunderbolt
20. Mega-Pinsir with Leaf Blade and X-Scissor

Weaknesses of Mega-Gyarados: The Pokémon is of the Dark and Water types and has weaknesses against Fighting, Bug, Grass, Electric, and Fairy. So in raids, focus mainly on attacks and Pokémon of these types to defeat Mega-Gyarados.

Is there a Shiny Mega-Gyarados? You can find and catch Shiny Gyarados in Pokémon GO. With a bit of luck, you’ll find the Shiny right after a raid.

How many trainers are needed? If you have the top counter Pokémon and they are at a relatively high level, you can battle Mega-Gyarados with just two. With lower levels but strong counters, you should rely on more trainers.

To optimally start the raid, you should already assemble your team beforehand instead of doing so at the beginning of the raid. This not only saves time in each raid lobby but also ensures that you always start the fight with your best team: This way you keep track of your raid teams