Season 16

Season 16 of GO Battle League, also called GO Battle League: Adventures Abound, lasts from September, 2023 to December , 2023. It is preceded by Season 15 and will be succeeded by Season 17. This GO Battle League Season runs concurrently with Adventures Abound.

Formats
Element Cup Remix: Little Edition: 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.

Psychic Cup: Great League Edition: 1,500 CP limit. Only Psychic-type allowed. Mew is banned.

Sunshine Cup: Great League Edition: 1,500 CP limit. Only Normal-, Fire-, Grass-, and Ground-types allowed. Charizard is banned.

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

Electric Cup: Great League Edition: 1,500 CP limit. Only Electric-type allowed. Stunfisk, Heliolisk, Charjabug and Vikavolt are banned.

Catch Cup: Adventures Abound Edition: 1,500 CP limit. Only Pokémon caught during Adventures Abound allowed.

Rewards
Basic Premium
 * Rank 5: Mysterious Item
 * Rank 10: 750 (Basic) / 1500 (Premium) Stardust
 * Rank 15: 1 (Basic) / 2 (Premium) Rare Candy
 * Rank 19: Pokémon Encounter
 * Other ranks:

Stardust

The random items can include:
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Reaching rank 19 awarded:

Reaching Ace rank and above awarded avatar items and an avatar pose inspired by Geeta from Pokémon Scarlet and Violet.

Geeta-Style Gloves could also be obtained from GO Battle Day rewards.

Pokémon
Guaranteed first Pokémon encounters:
 * Bisharp: rank 1 (one only)
 * Carbink: rank 6
 * Goomy: Ace rank
 * Gible: Veteran rank
 * Jangmo-o: Expert rank
 * Pikachu Libre: Legend rank (one only)

Tier 5 Raid Bosses could be obtained starting at rank 20 during their time in raids.

End-of-Season rewards

 * (rank 19 or above)

Timed Research
GO Battle League Timed Research is for the GO Battle League Season 16. A Ticket for this Timed Research was available in the in-game shop at no cost from September, 2023, at 1:00 p.m. PDT to September , 2023, at 1:00 p.m. PDT. Each part of the Timed Research had the same requirements, with the only difference being the rewards for completing each part.

GO Battle Weekend: Adventures Abound
GO Battle Weekend: Adventures Abound took place from October, 2023, 12 a.m. local time to October , 2023, 11:59 p.m. local time. Great League, Ultra League and Master League were available during this GO Battle Weekend.

The planned paid Timed Research became free for everyone due to an error.

Attack updates
These Attack updates went live at the start of the Season:

Attack changes

 * Spark: Base power increased from 4 to 6 and energy gain decreased from 8 to 7 in Trainer Battles.
 * Astonish: Energy gain increased from 9 to 10 in Trainer Battles.
 * Psychic: Base power decreased from 90 to 85 in Trainer Battles.
 * X-Scissor: Base power increased from 45 to 65 and energy cost increased from 35 to 40 in Trainer Battles.
 * Aerial Ace: Energy cost decreased from 45 to 40 in Trainer Battles.
 * Sky Attack: Energy cost increased from 45 to 50 in Trainer Battles.
 * Dig: Base power decreased from 100 to 80 and energy cost decreased from 80 to 50 in Trainer Battles.
 * Earthquake: Base power decreased from 120 to 110 in Trainer Battles.
 * Poltergeist: Base power increased from 140 to 150 in Trainer Battles.
 * Boomburst: Energy cost decreased from 75 to 70 in Trainer Battles.

Attack availability
Some Pokémon received new Attacks to their standard Attack pools: