Hello students! My name is Professor Noctowl, and today, I wish to draw attention to Thundurus Therian. This Force of Nature manages to compete in the Electric type, which is incredibly impressive, and keeps with the theme of standard legendaries being some of the best Electric types. Grab your notebooks, class is in session. For those who wish to do their research independently, our raw data can be found here. And for those who wish for a simple visual guide, go ahead and take a look at the below visual guide by CaptGoldfish.

NOTE: Some visual guides will be outdated for the duration of GO FEST. They will remain mostly accurate, but lack modern counters, such as the Mega Mewtwo duo, or Eternatus. Not only that, please note that some raids will not be covered in an article for GO FEST, due to the sheer volume. Our team has decided that the best call is to only cover raids who are within the top 10 counters in their type. If you’re looking for a counter that does not have an article, feel free to use pokebattler.com

Course Schedule

This counter is one of many GO FEST raids. There are too many to put a coherent schedule here, but rest assured, pretty much every legendary, mega, and shadow under the sun will be going at some point. Look to your local GO FEST event or the Pokebattler.com raid schedule to see exactly what raids will be going.

The flying type may cover up Thundurus Therian’s main weakness, but it adds two new ones, both of which having very strong choices.

Effectiveness	Types
Double Resist (0.4x)	—
Resist (0.6x)	Fighting Flying Ground Bug Steel Grass
Neutral	Normal Poison Ghost Fire Water Electric Psychic Dragon Dark Fairy
Super Effective (1.6x)	Rock Ice
Double Super Effective (2.6x)	—

Thundurus Therian’s moveset includes the following charge moves:

• Thunder
• Thunderbolt
• Sludge Wave
• Focus Blast
• Return
• Wildbolt Storm

The Dean’s List consists of the top 5 counters to Thundurus Therian. As always, the Valedictorian, Salutatorian, and the Third Ranked will have their best moveset alternatives in a table with their rankings and a table detailing their defensive prowess against the charge moves listed above.

White Kyurem A

Best Moveset: Ice Fang / Ice Burn

DPS★★★★★

Tank★★★★★

Reliability★★☆☆☆

2

Trainers
(Lvl 40)

Quick Move	Charge Move	Efficacy
Ice Fang	Ice Burn	100%
Dragon Breath	Ice Burn	86%
Steel Wing	Ice Burn	78%
Ice Fang	Blizzard	77%
Dragon Breath	Blizzard	67%
Ice Fang	Fusion Flare	62%

Black Kyurem A

Best Moveset: Dragon Tail / Freeze Shock

DPS★★★★★

Tank★★★★★

Reliability★☆☆☆☆

2

Trainers
(Lvl 40)

Quick Move	Charge Move	Efficacy
Dragon Tail	Freeze Shock	100%
Shadow Claw	Freeze Shock	91%
Dragon Tail	Blizzard	78%
Shadow Claw	Blizzard	70%
Dragon Tail	Stone Edge	67%
Dragon Tail	Fusion Bolt	64%

Mega Diancie A

Best Moveset: Rock Throw / Rock Slide

DPS★★★★☆

Tank★★★★☆

Reliability★★★★☆

2

Trainers
(Lvl 40)

Quick Move	Charge Move	Efficacy
Rock Throw	Rock Slide	100%
Rock Throw	Power Gem	96%
Tackle	Rock Slide	80%
Rock Throw	Moonblast	79%
Tackle	Power Gem	75%
Tackle	Moonblast	50%

Defensive Grades for Top 3

Boss Move
Focus Blast	⚔	⚔	—
Thunder	🛡	🛡	—
Thunderbolt	🛡	🛡	—
Sludge Wave	—	—	—

Eternatus A

Best Moveset: Poison Jab / Dynamax Cannon

DPS★★★☆☆

Tank★★★☆☆

Reliability★★★★★

2

Trainers
(Lvl 40)

Shadow Rampardos A

Best Moveset: Smack Down / Rock Slide

DPS★★★☆☆

Tank★★★★☆

Reliability★★★☆☆

2

Trainers
(Lvl 40)

Also Noteworthy: A: Mega Rayquaza

We here at Pokebattler Pokémon Research Institute can’t expect you to have the best counters every time. So, here are some of our other best options, most of which will be easier to find than the members of the Dean’s List.

Shadow Rhyperior A

Best Moveset: Smack Down / Rock Wrecker

DPS★★★☆☆

Tank★★★☆☆

Reliability★★★★★

2

Trainers
(Lvl 40)

Glimmora A

Best Moveset: Rock Throw / Meteor Beam

DPS★★★☆☆

Tank★★★☆☆

Reliability★★☆☆☆

2

Trainers
(Lvl 40)

Rhyperior A

Best Moveset: Smack Down / Rock Wrecker

DPS★★★☆☆

Tank★★★☆☆

Reliability★☆☆☆☆

2

Trainers
(Lvl 40)

Shadow Tyrantrum A

Best Moveset: Rock Throw / Meteor Beam

DPS★★★☆☆

Tank★★★☆☆

Reliability★★★★☆

2

Trainers
(Lvl 40)

Mega Aerodactyl A

Best Moveset: Rock Throw / Rock Slide

DPS★★★☆☆

Tank★★★☆☆

Reliability★☆☆☆☆

2

Trainers
(Lvl 40)

Of course, besides our 10 best counters, there are plenty of Pokémon that also work against Thundurus Therian. Here are a few star choices, worthy of praise.

A	Primal KyogreShadow MamoswineRegigigasShadow RegigigasShadow MewtwoMega TyranitarShadow LandorusMega GarchompShadow GigalithMega GardevoirShadow WeavileNecrozma - Dawn WingsShadow TyranitarRampardosMega AbomasnowShadow AurorusTerrakionShadow KyogreShadow Garchomp

Sometimes, the weather can be your most powerful ally. In certain weather conditions, certain Pokémon on our list excel. The most transformative cases are noted below.

Partly Cloudy

Shadow Rhyperior (1.6)Glimmora (1.6)Mega Aerodactyl (1.6)

Windy

Mega Rayquaza (1.6)Mega Garchomp (1.7)Shadow Mewtwo (1.7)

Snow

Shadow Mamoswine (1.6)Shadow Weavile (1.7)Primal Kyogre (1.7)

Fog

Necrozma - Dawn Wings (1.8)

Overall, Thundurus Therian is a simple raid. Only two weaknesses, both of which can’t be stopped by Thunderus Therian’s charge form, which results in a very simple, but not necessarily easy raid. Of course, if you wish to do more research on your box’s best Pokémon for the job, Pokebattler.com itself can be a great help! Remember, the best counter is the one you have powered up and ready to go. I grant extra credit to those who use their best friend bonus and the weather to their advantage. Class dismissed!