Pokémon Go's Sierra puts forward a pretty big challenge. Not to mention, she often switches around her lineup, just like her fellow Leaders. Well, if you're looking for the best Pokémon to use to ensure you can take her down, search no further! We've put together a list of the best counters to use against her, to give you that necessary edge in battle.
If you find this useful and want to be the very best like no one ever was, take a look at our Pokémon Go Cliff, Pokémon Go Arlo, and Pokémon Go Giovanni guides to learn about the best counters for their teams.
Here are the best counters for Pokémon Go's Sierra:
What are the best counters for Duskull?
Sierra sends out Duskull as her first combatant; it's a ghost-type 'mon and is weak to dark- and ghost-type enemies.
Here are our recommended Duskull counters:
| Sprites | Pokémon | Moves |
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Gengar | Lick and Shadow Ball |
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Dragapult | Astonish and Shadow Ball |
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Chandelure | Hex and Shadow Ball |
What are the best counters for Ferrothorn?
Shadow Ferrothorn can be one of Sierra's second Pokémon. It's weak to fighting- and fire-type attacks and resistant to dragon-, grass-, electric-, fairy-, normal-, poison-, psychic-, rock-, steel-, and water-types.
Here are our recommended Ferrothorn counters:
| Sprite | Pokémon | Moves |
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Charizard | Fire Spin and Blast Burn |
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Heatran | Fire Spin and Magma Storm |
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Blaziken | Fire Spin and Blast Burn |
What are the best counters for Flygon?
Sierra's second Pokémon can also be Flygon, a ground/dragon-type 'mon. Make sure you use Pokémon with ice-, dragon-, or fairy-type attacks to take it down.
Here are our recommended Flygon counters:
| Sprite | Pokémon | Moves |
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Mamoswine | Powder Snow and Icicle Spear |
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Walrein | Powder Snow and Icicle Spear |
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Garchomp | Mud Shot and Earth Power |

What are the best counters for Blastoise?
Another of Sierra's secondary Pokémon can be Blastoise, a water-type 'mon. Make sure you use Pokémon with electric or grass attacks
Here are our recommended Blastoise counters:
| Sprite | Pokémon | Moves |
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Electivire | Thunder Shock and Wild Charge |
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Magnezone | Spark and Wild Charge |
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Kartana | Razor Leaf and Leaf Blade |
What are the best counters for Steelix?
Sierra can use the steel/ground-type Steelix as her third Pokémon. You should go for fighting-, fire, water-, or ground-type counters.
Here are our recommended Steelix counters:
| Sprite | Pokémon | Moves |
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Excadrill | Mud-Slap and Scorching Sands |
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Garchomp | Mud Shot and Earth Power |
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Groudon | Mud Shot and Precipice Blades |
What are the best counters for Milotic?
Sierra can use this as one of her third Pokémon. If you encounter Sierra's Milotic, make sure you have a grass- or electric-type 'mon on hand.
Here are the Milotic counters we recommend you use:
| Sprite | Pokémon | Moves |
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Magnezone | Spark and Wild Charge |
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Electivire | Thunder Shock and Wild Charge |
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Kartana | Razor Leaf and Leaf Blade |
What are the best counters for Houndoom?
Sierra's Houndoom only uses dark and fire moves, and is weak to water-, fighting-, rock-, and ground-types, so you've got quite a few options!
Here are the Houndoom counters we recommend you use:
| Sprite | Pokémon | Moves |
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Kyogre | Waterfall and Origin Pulse |
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Rhyperior | Smack Down and Rock Wrecker or Surf |
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Conkeldurr | Counter and Dynamic Punch or Stone Edge |
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Machamp | Counter and Cross Chop or Rock Slide |
What rewards do I get for defeating Sierra?
When you defeat Sierra or any other Team Go Rocket Leader, you are granted some well-deserved rewards. You will always get 1,000 Stardust and a random selection of two of the following items:
- A 12km egg
- One Revive
- One Max Revive
- One Max Potion
- One Unova Stone
- One Sinnoh Stone
For more Pokémon goodness, take a look at our Pokédex and Pokémon Go best Pokémon guide. You can also head over to our Pokémon Go events or Pokémon Go codes lists to see what freebies you can snag!


















