Get up to date on everything happening with the GO Battle League: Hidden Gems, beginning in-game in Pokémon GO from June 1st

Niantic has announced the schedule and details for the upcoming Hidden Gems season for the GO Battle League in Pokémon GO. The season will start on June 1st, at 1:00pm (PDT).

The following will occur at the beginning of the season:

• End-of-season rewards will be available on the battle screen.
• GO Battle League ranks will be reset.
• Rank-up requirements will remain the same as in the previous season

League Schedule
The following leagues will begin and end at 1:00pm (PDT), on the dates listed below.

• June 1st to 8th
  • Great League
  • Summer Cup: Great League Edition
• June 8th to 15th
  • Great League
  • Summer Cup: Ultra League Edition
• June 15th to 22nd
  • Ultra Cup
  • Element Cup: Little Edition
• June 22nd to 29th
  • Ultra League
  • Single-type Cup: Great League Edition
• June 29th to July 6th
  • Master League Premier *
  • Single-type Cup: Great League Edition *
• July 6th to 13th
  • Master League *
  • Retro Cup: Great League Edition *
• July 13th to 20th
  • Great League
  • Great League Remix
• July 27th to August 3rd
  • Great League
  • Fossil Cup: Great League Edition
• August 3rd to 10th
  • Ultra League
  • Fossil Cup: Great League Edition
• August 10th to 17th
  • Great League *
  • Ultra League *
  • Master League *
• August 17th to 24th
  • Master League *
  • Fantasy Cup: Ultra League Edition *
• August 24th to September 1st
  • Master League *
  • Catch Cup: Hidden Gems Edition *

Trainers will receive a bonus 3× Stardust from win rewards (this does not include end of set rewards) for leagues marked with a * in the above list.

Cup Details

Cup Name	Entry Restrictions
Great League	Pokémon must be at or below 1,500 CP to enter.
Ultra League	Pokémon must be at or below 2,500 CP to enter.
Master League	All Pokémon are eligible to enter, regardless of CP.
Master Premier	All Pokémon with the exception of Legendary Pokémon, Mythical Pokémon, and Ultra Beasts are eligible to enter, regardless of CP
Summer Cup: Great League Edition / Ultra League Edition	All Normal-, Fire-, Water-, Grass-, Electric-, and Bug-type Pokémon are eligible to enter. Pokémon must be at or below 1,500 CP to enter the Great League Edition, and at or below 2,500 CP to enter the Ultra League Edition.
Element Cup: Little Edition	All Fire-, Water-, and Grass-type Pokémon are eligible to enter. Pokémon must be at or below 500 CP to enter, must be are able to evolve, and have not evolved even once to enter the Little Edition.
Single-type Cup: Great League Edition	All single-typed Pokémon, with the exception of Cresselia and Defense Forme Deoxys, are eligible enter (i.e. Bulbasaur, which is both Grass-type and Poison-type, would not be eligible). Pokémon must be at or below 1,500 CP to enter the Great League Edition.
Retro Cup: Great League Edition	Only Pokémon who do not possess a type introduced after the 1st Generation Pokémon Main series games (i.e. who are not Dark-, Steel- or Fairy-type) are eligible to enter. Pokémon must be at or below 1,500 CP to enter the Great League Edition.
Fossil Cup: Great League Edition	All Water-, Rock-, and Steel-type Pokémon are eligible to enter. Pokémon must be at or below 1,500 CP to enter the Great League Edition.
Great League Remix	As per Great League, with the exception that the 20 Pokémon most used by Trainers of Ace rank and up in the Great League will not be eligible. Currently, the following Pokémon are not eligible: Venusaur, Alolan Ninetales, Noctowl, Lanturn, Azumarill, Umbreon, Skarmory, Swampert, Pelipper, Sableye, Medicham, Altaria, Walrein, Registeel, Defense Forme Deoxys, Bastiodon, Froslass, Galarian Stunfisk, Trevenant, and Obstagoon
Fantasy Cup: Ultra League Edition	All Dragon-, Steel-, and Fairy-type Pokémon are eligible to enter, with the exception of Galarian Stunfisk and Cobalion. Pokémon must be at or below 2,500 CP to enter the Ultra League Edition.
Catch Cup: Hidden Gems Edition	All Pokémon caught during the Hidden Gems season, with the exception of any Mythical Pokémon, and that are at or below 1,500 CP, are eligible to enter

GO Battle Weekend: Clay
A special GO Battle Weekend will be held from Saturday July 1st at 12:00am local time, through to Sunday July 2nd at 11:59pm local time, coinciding with the Master League Premier and Single-type Cup: Great League Edition. During this weekend, the following bonuses will be active:

• 4× Stardust from win rewards. (This does not include the end-of-set rewards and will not stack with the 3× Stardust bonus from Master League rotation weeks.)
• The maximum number of sets Trainers can play per day will be increased from five to 20—for a total of 100 battles—from 12:00 a.m. to 11:59 p.m. local time.

GO Battle Weekend Timed Research
Both free and paid battle-themed Timed Research will be available over this Battle Weekend. All rewards from this Timed Research must be claimed before Sunday, July 2nd, at 11:59pm local time.

Completing the free Timed Research will award Trainers with a Clay-Style Hat, among other rewards. The Paid Timed Research will be available for US$1.00 (or the equivalent pricing tier in each local currency), and will award Stardust on completion. This Timed Research can also be gifted to any friend with a Friendship level of Great Friends or higher

Pokémon GO World Championships Event
The Pokémon GO World Championships 2023 will be held during this season in Yokohama, Japan. A special battle-focused event will be held from Friday August 11th to Tuesday August 15th to celebrate this event. This event will coincide with the Great League, Ultra League, and Master League all being available, offering 3x Stardust from win rewards. More details on this World Championships event will be released in the coming months.

Go Battle League Timed Research
A pass to access free battle-themed will available to claim from the in-game shop from the start of the season on June 1st at 1:00pm (PDT), until June 15th at 1:00pm (PDT). This Timed Research will keep track of Trainer's victories throughout the season, with each page requiring 100 wins to complete. Completing a page will award an amount of Stardust, plus other items including an Elite Fast TM at 400 wins, and an Elite Charged TM at 500 wins.

GO Battle League: Hidden Gems Rewards
Guaranteed rank-up encounters
Trainers can encounter the following Pokémon once per season at the designated ranks:

• Rank 1: Excadrill
• Rank 6: Skwovet
• Ace Rank (2000): Axew ⁂
• Veteran Rank (2500): Gible ⁂
• Expert Rank (2750): Goomy ⁂
• Legend Rank (3000): Pikachu Libre ⁂

Standard Encounters
Trainers can encounter the following Pokémon in reward encounters throughout the season on completing a set of 5 battles:

• Rank 1 to Rank 5
  • Marill ⁂
  • Gligar ⁂
  • Wingull ⁂
  • Nosepass ⁂
  • Meditite ⁂
• Rank 6 to 10
  • Spheal ⁂
  • Frillish ⁂
• Rank 11 to Rank 15
  • Onix ⁂
  • Lickitung ⁂
  • Wobbuffet ⁂
  • Phantump
  • Mareanie
• Rank 16 to Rank 19
  • Scraggy
  • Wooloo
  • Falinks
• Rank 20+
  • Five-star Raid Boss (The Pokémon currently appearing in five-star raids has a chance of appearing as a reward encounter after Trainers reach rank 20)
• Ace Rank (2000+)
  • Axew ⁂
• Veteran Rank (2500+)
  • Gible ⁂
• Expert Rank (2750+)
  • Goomy

Avatar Items and Other Rewards
At certain ranks, Trainers will also be able to earn avatar items and a pose inspired by the leader of Clay, the Gym Leader of Unova's Driftveil Gym:

• Ace rank: Clay-Style Hat and Shows
• Veteran rank: Clay-Style Pants
• Expert rank: Clay-Style Shirt
• Legend rank: Clay-Style Pose

At rank 19, Trainers will receive an Elite Charged TM. An Elite Fast TM will also be given as an end-of-season reward to Trainers reaching this rank.

Attacks
New Attacks
Liquidation (Charged Attack)

• Trainer Battles: 70 power for 45 Energy cost. 30% chance to lower the opposing Pokémon’s Defense by one stage.
• Gyms and Raids: 70 power for 33 Energy cost, a Duration of 3 seconds, and a Damage window of 2.0-2.7 seconds

Leafage (Fast Attack)

• Trainer Battles: 6 power with 7 Energy boost, and 2 Turns.
• Gyms and Raids: 9 power with 6 Energy boost, a Duration of 0.97 seconds, and a Damage window of 0.7-0.98 seconds

Attack Changes
Icicle Spear

• Trainer Battles: 60 power → 65 power

Poison Fang

• Trainer Battles: 40 power → 45 power

Rollout

• Trainer Battles: 4 power → 5 power

Mud Bomb

• Trainer Battles: 55 power → 60 power

Seed Bomb

• Trainer Battles: 55 power for 40 Energy cost → 60 power for 45 Energy cost

Attack Availability Apdates
The following Pokémon are now able to learn the listed additional attacks:

• Alolan Sandslash: Charged Attack Drill Run
• Clefable: Fast Attack Fairy Wind
• Wigglytuff: Charged Attack Disarming Voice
• Golduck: Charged Attack Liquidation
• Dewgong: Charged Attacks Drill Run, Liquidation
• Cloyster: Charged Attack Liquidation
• Vaporeon: Charged Attack Liquidation
• Togetic: Fast Attack Fairy Wind
• Quagsire: Charged Attack Mud Bomb
• Tyranitar: Charged Attack Brutal Swing
• Cradily: Charged Attack Rock Slide
• Armaldo: Charged Attack Liquidation
• Floatzel: Charged Attack Liquidation
• Drifblim: Charged Attack Mystical Fire
• Snover: Fast Attack Leafage
• Abomasnow: Fast Attack Leafage
• Probopass: Charged Attack Zap Cannon
• Heatran: Charged Attack Earth Power
• Samurott: Charged Attack Liquidation
• Whimsicott: Charged Attack Seed Bomb
• Carracosta: Charged Attack Liquidation
• Emolga: Charged Attack Acrobatics
• Eelektross: Charged Attack Liquidation
• Litwick: Charged Attack Mystical Fire
• Beartic: Charged Attack Liquidation
• Rowlet: Fast Attack Leafage
• Dartrix: Fast Attack Leafage
• Decidueye: Fast Attack Leafage
• Primarina: Charged Attack Disarming Voice
• Fomantis: Fast Attack Leafage
• Lurantis: Fast Attack Leafage
• Golisopod: Charged Attack Liquidation
• Ursaluna: Charged Attack Ice Punch