Season 13

Season 13 of GO Battle League, also called GO Battle League: Mythical Wishes, lasts from December, 2022 to March , 2023. It is preceded by Season 12 and will be succeeded by Season 14. This GO Battle League Season runs concurrently with Season of Mythical Wishes.

Formats
<!--{| class="pogo-legacy-table first-col-left centered widthbp90 all-uled" ! class="h2 brl" style="width:250px;" | Formats ! class="h2" | Start Date ! class="h2 brr" | End Date
 * Battle League Great.png Great League Battle Cup Jungle Remix.png Little Jungle Cup Remix
 * September, 2022
 * September, 2022
 * Battle League Great.png Great League Battle Cup Psychic.png Psychic Cup
 * September, 2022
 * September, 2022
 * Battle League Ultra.png Ultra League Battle Cup Weather.png Weather Cup
 * September, 2022
 * September, 2022
 * Battle League Ultra.png Ultra League Premier Ball.png Ultra Premier Classic
 * September, 2022
 * September, 2022
 * Battle League Master.png Master League Premier Ball.png Master Premier Classic
 * September, 2022
 * October, 2022
 * Battle League Master.png Master League Battle Cup Evolution.png Evolution Cup
 * October, 2022
 * October, 2022
 * Battle League Great.png Great League Battle League Ultra.png Ultra League Battle League Master.png Master League
 * October, 2022
 * October, 2022
 * Battle League Great.png Great League Battle Cup Halloween.png Halloween Cup
 * October, 2022
 * October, 2022
 * Battle League Great.png Great League Battle Cup Halloween.png Halloween Cup: Ultra League Edition
 * October, 2022
 * November, 2022
 * Battle League Ultra.png Ultra League Battle Cup Willpower.png Willpower Cup
 * November, 2022
 * November, 2022
 * Battle League Ultra.png Ultra League Premier Ball.png Ultra Premier
 * November, 2022
 * November, 2022
 * Battle League Master.png Master League Battle Cup Element Remix.png Element Cup Remix
 * November, 2022
 * November, 2022
 * Battle League Master.png Master League Battle Cup Catch Season of Light.png Catch Cup: Season of Light Edition
 * November, 2022
 * December, 2022
 * }
 * Battle League Ultra.png Ultra League Premier Ball.png Ultra Premier
 * November, 2022
 * November, 2022
 * Battle League Master.png Master League Battle Cup Element Remix.png Element Cup Remix
 * November, 2022
 * November, 2022
 * Battle League Master.png Master League Battle Cup Catch Season of Light.png Catch Cup: Season of Light Edition
 * November, 2022
 * December, 2022
 * }
 * November, 2022
 * December, 2022
 * }

Little Jungle Cup Remix: 500 CP limit. Only Normal-, Grass-, Electric-, Poison-, Ground-, Flying-, Bug-, and Dark-types allowed. Shuckle, Smeargle, Skorupi, Cottonee, Ducklett, and Salandit are banned.

Psychic Cup: 1,500 CP limit. Only Psychic-types allowed. Mew is banned.

Weather Cup: 2,500 CP limit. Only Fire-, Water-, Ice-, and Rock-types allowed.

Evolution Cup: 1,500 CP limit. Only Pokémon that have evolved at least once and can evolve again allowed.

Halloween Cup: 1,500 CP limit. Only Poison-, Bug-, Ghost-, Dark-, and Fairy-types allowed.

Halloween Cup: Ultra League Edition: 2,500 CP limit. Only Poison-, Bug-, Ghost-, Dark-, and Fairy-types allowed.

Willpower Cup: 1,500 CP limit. Only Fighting-, Psychic-, and Dark-types allowed. Gardevoir is banned.

Ultra Premier: 2,500 CP limit. Legendary Pokémon, Mythical Pokémon, and Ultra Beasts are banned.

Ultra Premier Classic: 2,500 CP limit. Legendary Pokémon, Mythical Pokémon, Ultra Beasts, and Pokémon that have been powered up with Candy XL are banned.

Master Premier Classic: No CP limit. Legendary Pokémon, Mythical Pokémon, Ultra Beasts, and Pokémon that have been powered up with Candy XL are banned.

Element Cup Remix: 500 CP limit. Only Fire-, Water-, and Grass-types allowed. Only Pokémon that are able to evolve and have not evolved even once are allowed. Chinchou, Cottonee, Ducklett, and Salandit are banned.

Catch Cup: Season of Light Edition: 1,500 CP limit. Only Pokémon caught during the Season of Light allowed.-->

Rewards
Basic Premium

Stardust The random items can include:
 * or
 * or
 * or
 * or

Reaching Ace rank and above awarded avatar items inspired by Steven Stone.

Pokémon
Guaranteed first Pokémon encounters:
 * Metang: rank 1 (one only)
 * Mareanie: rank 6
 * Axew: Ace rank
 * Noibat: Veteran rank
 * Goomy: Expert rank
 * Pikachu Libre: Legend rank (one only)

Certain Legendary Pokémon, Mythical Pokémon, and Ultra Beasts could be obtained starting at rank 20 during their time in tier 5 Raid Battles.

End-of-season rewards

 * (rank 19 or above)

Mythical Wishes: GO Battle Days
Mythical Wishes: GO Battle Days took place on January, 2023, 12 a.m. local time to January , 2023, 11:59 p.m. local time. Great League, Ultra League, and Master League were available during this GO Battle Day. Stardust from completing sets would not be counted for the bonus.

GO Battle Day: Vulpix
GO Battle Day: Vulpix took place on February, 2022 from 12 a.m. to 11:59 p.m. local time. Stardust from completing sets would not be counted for the bonus.

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Attack Updates
At the start of this Season, certain Attacks had their stats changed and certain Pokémon received updates to their obtainable Attacks.

Attack Changes

 * Wing Attack: Energy gain increased from 7 to  in Trainer Battles.
 * Poison Fang: Energy cost increased from 35 to 40 in Trainer Battles.
 * Charm: Base power decreased from 16 to 15 in Trainer Battles.

Attack Availability Updates
Some Pokémon received updates to their obtainable Attacks. These were added to their standard Attack pools.