Sierra

:If you were looking for the character from A Restoration Confrontation! Part 1 and Part 2, see Sierra (Unova).
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Sierra (Japanese: シエラ Sierra) is one of the of Team GO Rocket in .
A street-smart loner, she has grown up under difficult circumstances, allowing her to learn martial arts. As she rose within the ranks of Team GO Rocket, she became 's most trusted confidant.Pokémon GO Twitter
==History==
Sierra was the second Team GO Rocket Leader encountered by one of Professor Willow's assistants, following Cliff. , while rescuing s from potential PokéStop invasions, ran into Sierra during his mission. Sierra mocked Spark's efforts in rescuing the Eggs, which prompted him to challenge her to battle. However, Sierra noticed that an unprepared Spark had not brought any Poké Balls, and dismissed his challenge as she walked away.Willow Report Subject: A shadowy sierra 
On November 5, 2019Pokémon GO Twitter, Sierra sent the following message to Spark:
:"Spark. Your naïve positivity is laughable and will be your undoing.
:The world is so very cruel.
:I’ll make sure to remind you soon."
On November 12, 2019, Sierra was tracked down by Spark using the Rocket Radar and was challenged to battle. The battle resulted in a close loss for Sierra as Spark ended up with only one Pokémon remaining.Team GO Rocket Leaders vs team leaders face-off recap! - Pokémon GO
On July 26, 2020, during Pokémon GO Fest 2020, Sierra battled Spark. Spark initiated the battle by sending out an , while Sierra sent a Shadow .Twitter announcement Houndoom started the fight by using but Elekid knocked it with a destabilizing .Twitter update In the end, Spark won the battle when Giovanni recalled Sierra to him along with the other Team GO Rocket Leaders.Twitter update
==Pokémon==
===Trainer Battles===
Sierra uses a team of three in a , each independently and randomly selected from separate pools. During battle, Sierra will always use a Protect Shield whenever possible. Upon being defeated, Sierra will abandon one of the Shadow Pokémon used in battle.
The following lists the possible Pokémon used by Sierra since January 14, 2025. denote the Pokémon that will be encountered during the bonus challenge. These Shadow Pokémon have a chance of becoming Shiny, as denoted by the icon.
:For a historic list of Sierra's past Pokémon teams, see Team GO Rocket Leader (Trainer class)/Pokémon change history.
===Shadow Raids===
Sierra may control s in five-star Shadow Raids, using the following Pokémon during specific times.
 	 	 	 	 	 	 	 	 	
Pokémon	Boss CP	Catch CP	Availability	Saturday and Sunday, September 2 - October 1, 2023Friday, October 6, 2023 (makeup event)Niantic Support on X: "Trainers, because shiny Shadow Zapdos was not available on Sept. 16, a free Item Bundle containing three Premium Battle Passes is available in the Shop until Sunday, Oct. 8 at 10:00 pm local time for any Trainers who Raided during the affected time. Shadow Zapdos will be…"	Saturday and Sunday, October 1 - 22, 2023	Saturday and Sunday, November 4 - 24, 2023	Saturday and Sunday, December 2 - 31, 2023	Saturday and Sunday, March 2 - 24, 2023Saturday and Sunday, March 2 - 24, 2024Saturday and Sunday, June 1 - 30, 2024Saturday and Sunday, September 1 - 29, 2024	Saturday and Sunday, December 7 - 29, 2024
==Gallery==
===Models===
Model from
===Icons===
Icon from
==Quotes==
==Trivia==
* has always been one of Sierra's usable Pokémon.
** On October 26, 2023, replaced Houndoom in Sierra's lineup. However, this was a possible error, as Houndoom was added back in unannounced on November 14, 2023.
==Names==
Language 	Name 	Origin
Japanese 	シエラ Sierra 	From sierra (Spanish for mountain range)
English, German, Spanish, French,Italian, Brazilian Portuguese, Turkish	Sierra 	Same as her Japanese name
Korean 	시에라 Sierra 	Transcription of her Japanese name
Chinese () 	希爾拉 Xī'ěrlā 	Transcription of her Japanese name
Chinese () 	希爾拉 Hēiyíhlāai 	Transcription of her Japanese name
Hindi 	सिएरा Sierra 	Transcription of her Japanese/English name
Thai 	เซียร์รา Sierra 	Transcription of her Japanese name
==References==
==Related articles==
Category:Pokémon GO characters
Category:Dark-type Trainers
Category:Trainers with Legendary Pokémon
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