Pokémon GO Sierra Counters Guide - Pokemon GO Hub

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Learn how to defeat Rocket Leader Sierra and which Pokémon they have during the month of February 2026 in Pokémon GO. Includes the current Sierra’s Pokémon line-up, best counters to use, and rewards for defeating Sierra.

  • 🔔 Fully updated with the start of Precious Pals: Taken Over.
  • 🔗 Other GO Rocket guides: Giovanni lineup and counters, Arlo lineup and counters, Cliff lineup and counters, Team GO Rocket Grunt lineups

Sierra’s Pokémon Line-up Team Rocket icon

Sierra is one of the Team GO Rocket Leaders in Pokémon GO, alongside Arlo, Cliff, and Giovanni. Rocket Leader Sierra is currently using the following Shadow Pokémon:

Slot #1

Sierra’s first Pokémon is always Shadow Hoppip.

  • Sprite of Shadow Hoppip from Pokémon GO Shadow Hoppip

Slot #2

Sierra’s second Pokémon is Shadow Flygon, Shadow Blastoise or Shadow Ferrothorn.

  • Sprite of Shadow Flygon from Pokémon GO Shadow Flygon
  • Sprite of Shadow Ferrothorn from Pokémon GO Shadow Ferrothorn
  • Sprite of Shadow Blastoise from Pokémon GO Shadow Blastoise

Slot #3

Sierra’s third Pokémon is Shadow Houndoom, Steelix, or Shadow Milotic.

  • Sprite of Shadow Steelix from Pokémon GO Shadow Steelix
  • Sprite of Shadow Houndoom from Pokémon GO Shadow Houndoom
  • Sprite of Shadow Milotic from Pokémon GO Shadow Milotic

Professor Willow icon Best Pokémon to defeat Sierra

Here are some of the best Pokémon you can use against Sierra in Pokémon GO:

  • Sprite of Mamoswine from Pokémon GO Mamoswine
  • Sprite of Groudon from Pokémon GO Groudon
  • Sprite of Terrakion from Pokémon GO Terrakion
  • Sprite of Charizard from Pokémon GO Charizard
  • Sprite of Walrein from Pokémon GO Walrein
  • Sprite of Garchomp from Pokémon GO Garchomp
  • Mamoswine is supreme in taking out Hoppip, Flygon, Houndoom, or Steelix. It can even do high neutral damage to Ferrothorn.
  • Walrein packs a solid punch, having super-effective damage against every single Pokémon in this lineup, even having Earthquake to deal with Ferrothorn.
  • Groudon is also superb, possessing perfect coverage against everything except Flygon.
  • A strong Fighting type like Terrakion or Conkeldurr is enough for everything except Hoppip.
  • Charizard can eliminate Ferrothorn and Steelix, and do super-effective damage to Flygon with Dragon Claw.
  • Garchomp is a great addition for Flygon and the final slot.

💡 Note: In Trainer Battles, counters need not always be Pokémon that do super-effective damage. We include Pokémon that are more viable to defeat Sierra, rather than those who do maximum damage. Defeating Sierra rewards 3× Shadow Shards.

Shadow Hoppip Counters

Sprite of Shadow Hoppip from Pokémon GO Shadow Hoppip

Hoppip is a Grass/Flying-type Pokémon. It is double weak to Ice while its regular weaknesses include Fire, Flying, Poison, and Rock.

You should always start with a strong Pokémon that can burn Sierra’s shields fast, while still having utility after rotation. Spam charge moves and burn shields whenever possible. Here is our recommendation:

Hoppip Counters
Pokémon Moves
Sprite of Mamoswine from Pokémon GO Mamoswine Powder Snow, Icicle Spear
Sprite of Walrein from Pokémon GO Walrein Powder Snow, Icicle Spear
Sprite of Charizard from Pokémon GO Charizard Ember, Blast Burn
Sprite of Weavile from Pokémon GO Weavile Ice Shard, Triple Axel
Sprite of Blacephalon from Pokémon GO Blacephalon Incinerate, Mind Blown
Sprite of Blaziken from Pokémon GO Blaziken Fire Spin, Blaze Kick

Shadow Ferrothorn counters

Sprite of Shadow Ferrothorn from Pokémon GO Shadow Ferrothorn

Shadow Ferrothorn is a Grass/Steel-type Pokémon. It is double weak to Fire and also weak to Fighting. Note that while it isn’t weak to Ground, using a Ground Pokémon often works as it takes high neutral damage, while the said Ground type is ideal for the final slot.

Shadow Ferrothorn Counters
Pokémon Moves
Sprite of Groudon from Pokémon GO Groudon Mud Shot, Fire Punch
Sprite of Terrakion from Pokémon GO Terrakion Double Kick, Sacred Sword
Sprite of Charizard from Pokémon GO Charizard Ember, Blast Burn
Sprite of Conkeldurr from Pokémon GO Conkeldurr Counter, Dynamic Punch
Sprite of Lucario from Pokémon GO Lucario Force Palm, Aura Sphere
Sprite of Blaziken from Pokémon GO Blaziken Fire Spin, Blaze Kick

Shadow Flygon counters

Sprite of Shadow Flygon from Pokémon GO Shadow Flygon

Shadow Flygon is a Ground/Dragon-type Pokémon. It is double weak to Ice, while also being weak to Dragon and Fairy type moves.

Shadow Flygon Counters
Pokémon Moves
Sprite of Mamoswine from Pokémon GO Mamoswine Powder Snow, Icicle Spear
Sprite of Walrein from Pokémon GO Walrein Powder Snow, Icicle Spear
Sprite of Weavile from Pokémon GO Weavile Ice Shard, Triple Axel
Sprite of Gardevoir from Pokémon GO Gardevoir Charm, Triple Axel
Sprite of Garchomp from Pokémon GO Garchomp Dragon Tail, Breaking Swipe

Shadow Blastoise counters

Sprite of Shadow Blastoise from Pokémon GO Shadow Blastoise

Shadow Blastoise is a Water-typem which means it is weak to Grass and Electric type moves. It takes reduced damage from Fire, Ice, Steel and Water type moves.

Blastoise Counters
Pokémon Moves
Sprite of Shadow Raikou from Pokémon GO Shadow Raikou Thunder Shock, Wild Charge
Sprite of Kartana from Pokémon GO Kartana Razor Leaf, Leaf Blade
Sprite of Therian Shadow Thundurus from Pokémon GO Therian Shadow Thundurus Volt Switch, Wildbolt Storm*
Sprite of Shadow Magnezone from Pokémon GO Shadow Magnezone Volt Switch, Wild Charge
Sprite of Xurkitree from Pokémon GO Xurkitree Mud-Slap, Rock Wrecker
Sprite of Regieleki from Pokémon GO Regieleki Lock-On, Thunder Cage*
Sprite of Zekrom from Pokémon GO Zekrom Charge Beam, Fusion Bolt*

Shadow Steelix counters

Sprite of Shadow Steelix from Pokémon GO Shadow Steelix

Drapion is a Steel/Ground-type Pokémon. It is weak to Fighting, Fire, Ground, and Water type attacks. Choose your counters wisely, otherwise this fight can go wrong!

Shadow Steelix Counters
Pokémon Moves
Sprite of Groudon from Pokémon GO Groudon Mud Shot, Precipice Blades
Sprite of Charizard from Pokémon GO Charizard Ember, Blast Burn
Sprite of Therian Landorus from Pokémon GO Therian Landorus Mud Shot, Sandsear Storm
Sprite of Excadrill from Pokémon GO Excadrill Mud Slap, Scorching Sands
Sprite of Kyogre from Pokémon GO Kyogre Waterfall, Origin Pulse

Shadow Houndoom counters

Sprite of Shadow Houndoom from Pokémon GO Shadow Houndoom

Houndoom is a Dark and Fire-type Pokémon. It is weak to Fighting, Ground, Rock, and Water type moves. It takes reduced damage from Dark, Fire, Ghost, Grass, Ice, Steel, and Psychic type moves.

Houndoom Counters
Pokémon Moves
Sprite of Groudon from Pokémon GO Groudon Mud Shot, Precipice Blades
Sprite of Therian Landorus from Pokémon GO Therian Landorus Mud Shot, Sandsear Storm
Sprite of Kyogre from Pokémon GO Kyogre Waterfall, Origin Pulse
Sprite of Rhyperior from Pokémon GO Rhyperior Mud-Slap, Rock Wrecker
Sprite of Terrakion from Pokémon GO Terrakion Double Kick, Sacred Sword
Sprite of Primarina from Pokémon GO Primarina Waterfall, Hydro Cannon

Shadow Milotic counters

Sprite of Shadow Milotic from Pokémon GO Shadow Milotic

Shadow Milotic is a Water-typem which means it is weak to Grass and Electric type moves. It takes reduced damage from Fire, Ice, Steel and Water type moves.

Milotic Counters
Pokémon Moves
Sprite of Shadow Raikou from Pokémon GO Shadow Raikou Thunder Shock, Wild Charge
Sprite of Kartana from Pokémon GO Kartana Razor Leaf, Leaf Blade
Sprite of Therian Shadow Thundurus from Pokémon GO Therian Shadow Thundurus Volt Switch, Wildbolt Storm*
Sprite of Shadow Magnezone from Pokémon GO Shadow Magnezone Volt Switch, Wild Charge
Sprite of Xurkitree from Pokémon GO Xurkitree Mud-Slap, Rock Wrecker
Sprite of Regieleki from Pokémon GO Regieleki Lock-On, Thunder Cage*
Sprite of Zekrom from Pokémon GO Zekrom Charge Beam, Fusion Bolt*

How to battle Sierra in Pokémon GO?

Sierra Counters
Sierra Counters

To fight with Sierra in Pokémon GO, you need to first defeat six Team GO Rocket Grunts to collect enough Mysterious Components to build a Rocket Radar.

Activate the Rocket Radar and you will be able to see the location of a Rocket Leader. The game will not tell you which Leader you are facing, but you have a 33% chance for it to be Sierra.

Fighting Sierra is more difficult than fighting Grunts, as Leaders use higher level Pokémon than Grunts. In order to defeat Sierra, we consider using good counters mandatory.

You can rematch if you lose, and your Rocket Radar will be consumed if you win.

Rewards for defeating Team GO Rocket Leader Sierra

Trainers who manage to defeat Sierra – or any other Team GO Rocket Leader – will get a selection of rare rewards, including the chance to get a Team GO Rocket exclusive 12 km Strange Egg.

  • Trainers receive 1,000 Stardust when defeating a Rocket Leaders,
  • Trainers will receive two of the item bundles listed below when they defeat Team GO Rocket Leader like Sierra.
  • Trainers have the opportunity to catch a Shadow Pokémon used by the Leader. It is always the first Pokémon used by the Leader.
  • Shadow Pokémon from Rocket Leaders have a shiny chance of 1 in 64, if they are shiny eligible at the moment of defeating the Leader

Reward mechanics

Defeating one of the Team GO Rocket Leader trio earns you two item bundles. If at least one of your Egg inventory slots is open, a 12km Strange Egg is guaranteed to replace one of those two bundles.

Receiving a Strange Egg does not have an effect on which item bundle drops alongside the egg.

A Strange Egg can be deposited into your regular egg storage, or in the extra egg space if you already have 9 eggs.

Guaranteed

Stardust icon 1000× Stardust

Random drop of two of these

  • Revive icon 4× Revive
  • Max Revive icon 2× Max Revive
  • Hyper Potion icon 4× Hyper Potion
  • Max Potion icon 2× Max Potion
  • Unova Stone icon 1× Unova Stone
  • Egg 12 km icon 1× Egg 12 km

As an example, a typical reward drop might contain 4 Revives and 4 Hyper Potions. Similarly, a reward drop might contain 1 Strange Egg and 2 Max Revives, or 1 Unova Stone and 1 Strange Egg.

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