GO Battle League: Might and Mastery is the new GBL Season that goes live on Tuesday, March 4, 2025, at 1:00 p.m. PST (GMT −8). It runs alongside Might and Mastery Season in Pokémon GO.
In this guide we list all of the move changes, the full season event and cup schedule, rank-up rewards and encounters, new avatar items you can unlock in GBL, and more.
GO Battle League: Might and Mastery Schedule
The following leagues will begin and end at 1:00 p.m. PST (GMT −8) on the dates listed below.
March 4 – March 11
- Great League
- Willpower Cup: Great League Edition
March 11 – March 18
- Ultra League
- Scroll Cup: Great League Edition
March 18 – March 25
- Master League*
- Scroll Cup: Great League Edition*
*4× Stardust from win rewards (this does not include end-of-set rewards)
March 25 – April 1
- Great League*
- Ultra League*
- Master League*
*4× Stardust from win rewards (this does not include end-of-set rewards)
April 1 – April 8
- Great League
- Master Premier
April 8 – April 15
- Ultra League
- Spring Cup: Great League Edition
April 15 – April 22
- Master League*
- Spring Cup: Great League Edition*
*4× Stardust from win rewards (this does not include end-of-set rewards)
April 22 – April 29
- Great League*
- Ultra League*
- Master League*
*4× Stardust from win rewards (this does not include end-of-set rewards)
April 29 – May 6
- Great League
- Great League Remix
May 6 – May 13
- Ultra League
- Great League Remix
May 13 – May 20
- Master League*
- Retro Cup: Great League Edition*
*4× Stardust from win rewards (this does not include end-of-set rewards)
May 20 – May 27
- Great League*
- Catch Cup: Great League Edition*
*4× Stardust from win rewards (this does not include end-of-set rewards)
May 27 – June 3
- Great League*
- Ultra League*
- Master League*
*4× Stardust from win rewards (this does not include end-of-set rewards)
Might and Mastery GO Battle League Events
GO Battle Week: Might and Mastery
GO Battle Week Might and Mastery runs from Wednesday, May 21, at 12:00 a.m. to Tuesday, May 27, 2025, at 11:59 p.m. local time.
Bonuses
4× Stardust from win rewards. (This does not include end-of-set rewards.)
The maximum number of sets you can play per day will increase from five to 20—for a total of 100 battles—from 12:00 a.m. to 11:59 p.m. local time.
Free battle-themed Timed Research will be available. Rewards include a hat for your avatar inspired by Mustard.
Pokémon encountered via GO Battle League rewards will have a wider variance of Attack, Defense, and HP.
GO Battle League: Might and Mastery Rewards
Guaranteed Rank-Up Encounters
You can encounter the following Pokémon once per Season at the designated ranks.
| Rank | Reward |
|---|---|
| Rank 1 |
Mienfoo
|
| Rank 6 |
Vullaby
|
| Ace Rank |
Morpeko
|
| Veteran Rank |
Frigibax
|
| Expert Rank |
Dreepy
|
| Legend Rank |
Pikachu
Libre
|
Standard Encounters
You can encounter the following Pokémon in reward encounters throughout the Season at the ranks shown below.
| Rank | Reward |
|---|---|
| Rank 1+ | |
| Rank 6+ | |
| Rank 11+ | |
| Rank 16+ | |
| Rank 20+ |
|
| Veteran Rank |
Frigibax
|
| Expert Rank |
Dreepy
|
| Legend Rank |
Pikachu
Libre
|
(*) The Pokémon or Ultra Beasts currently appearing in five-star raids can appear as a reward encounter after you reach rank 20.
GO Battle League Timed Research Pass
For our most dedicated battlers, a pass to access battle-themed Timed Research will be available in the in-game shop at no cost once GO Battle League: Might and Mastery
begins.
This Timed Research will keep track of your victories throughout the Season. Each research page will require 100 wins to complete, and doing so will award Stardust and items such as Rare Candy XL, an Elite Fast TM (at 400 wins), and an Elite Charged TM (at 500 wins).
Keep at it throughout the Season to see how far you can get!
Avatar Items and Other Rewards
Trainers will be able to earn the following avatar items, which are all inspired by Mustard, the Dojo Master from the Isle of Armor, an island of the Galar region in the Pokémon Sword Expansion Pass and Pokémon Shield Expansion Pass!
- At Ace rank, you’ll receive a hat inspired by Mustard.
- At Veteran rank, you’ll receive pants inspired by Mustard.
- At Expert rank, you’ll receive a top inspired by Mustard.
- At Legend rank, you’ll receive a pose inspired by Mustard.
Cups
You can look forward to the following cups this Season.
Willpower Cup: Great League Edition
- Pokémon must be at or below 1,500 CP to enter.
- Only Fighting-, Psychic-, and Dark-type Pokémon will be eligible.
The following Pokémon will not be allowed:
Scroll Cup: Great League Edition
- Pokémon must be at or below 1,500 CP to enter.
- Only Water-, Fighting-, and Dark-type Pokémon will be eligible.
The following Pokémon will not be allowed:
Master Premier
- No CP limit.
- Legendary Pokémon, Mythical Pokémon, and Ultra Beasts are not eligible.
Spring Cup: Great League Edition
- Pokémon must be at or below 1,500 CP to enter.
- Only Water-, Grass-, and Fairy-type Pokémon are eligible.
The following Pokémon will not be allowed:
Great League Remix
- Pokémon must be at or below 1,500 CP to enter.
- The 20 Pokémon that are most used by Trainers ranked Ace and above in the Great League are not eligible in the Great League Remix.
- Check back later for more details.
Retro Cup: Great League Edition
- Pokémon must be at or below 1,500 CP to enter.
- Dark-, Steel-, and Fairy-type Pokémon are not eligible.
Catch Cup: Might and Mastery: Great Edition
- Pokémon must be at or below 1,500 CP to enter.
- Only Pokémon caught during the Might and Mastery Season are eligible.
- Pokémon must be caught between March 4, 2025, at 1:00 p.m. and June 3, 2025, at 1:00 p.m. local time.
Attack Changes
Psyshock Psychic
- Energy cost decreased
Dazzling Gleam Fairy
- Trainer Battles: 110 → 90 power
- Energy cost decreased
Aqua Jet Water
- Trainer Battles: 45 → 70 power
- Energy cost decreased
Dynamic Punch Fighting
- Energy cost decreased
Sludge Poison
- Trainer Battles: 50 → 70 power
Hex Ghost
- Trainer Battles: 6 → 7 power
- Energy generation increased
Acrobatics
- Energy cost decreased
Air Cutter
- Trainer Battles: 60 → 45 power
- Energy cost decreased
- Chance to increase the user’s Attack by one stage
Rock Tomb Rock
- Trainer Battles: 70 → 80 power
- Energy cost decreased
- Guaranteed to lower the opposing Pokémon’s Attack by one stage
Rollout Rock
- Trainer Battles: 8 → 7 power
Night Shade Dark
- Trainer Battles: 80 → 70 power
Foul Play Dark
- Trainer Battles: 70 → 60 power
- Energy cost decreased
Discharge Electric
- Trainer Battles: 65 → 55 power
- Energy cost decreased
Attack Availability Updates
The following Pokémon will be able to learn new moves once Might and Mastery Season starts.
| Pokémon | Move | Type |
|---|---|---|
Piloswine
|
Icicle Spear Ice | Charged |
Mamoswine
|
Icicle Spear Ice | Charged |
Togetic
|
Psyshock Psychic | Charged |
Togekiss
|
Psyshock Psychic | Charged |
Reuniclus
|
Psyshock Psychic | Charged |
Bruxish
|
Psyshock Psychic | Charged |
Lapras
|
Psywave Psychic | Fast |
Grumpig
|
Psywave Psychic | Fast |
Venomoth
|
Psywave Psychic | Fast |
Furret
|
Swift Normal | Charged |
Linoone
|
Swift Normal | Charged |
Drampa
|
Swift Normal | Charged |
|
Grumpig
|
Dynamic Punch Fighting | Charged |
Dusknoir
|
Dynamic Punch Fighting | Charged |
|
Lapras
|
Sparkling Aria Fairy | Charged |
Sableye
|
Dazzling Gleam Fairy | Charged |
Ribombee
|
Charm Fairy | Fast |
Blastoise
|
Rollout Rock | Fast |
Weezing
|
Rollout Rock | Fast |
Wailmer
|
Rollout Rock | Fast |
Wailord
|
Rollout Rock | Fast |
Glalie
|
Rollout Rock | Fast |
Cradily
|
Rock Tomb Rock | Charged |
Bombirdier
|
Rock Tomb Rock | Charged |
Swampert
|
Sludge Poison | Charged |
Swalot
|
Sludge Poison | Charged |
Dragalge
|
Sludge Bomb Poison | Charged |
Roserade
|
Poison Sting Poison | Fast |
|
Furret
|
Trailblaze Grass | Charged |
Florges
|
Trailblaze Grass | Charged |
Mightyena
|
Sucker Punch Dark | Fast |
Bellibolt
|
Sucker Punch Dark | Fast |
|
Bombirdier
|
Sucker Punch Dark | Fast |
