GO Battle League: Twilight Trails Schedule, Cups & Rewards

Key Points:

• The GO Battle League: Twilight Trails Season runs from September 8 to December 1, 2026, featuring expanded Mega-Evolved Pokémon participation and a new lineup of themed Cups across Great, Ultra, and Master Leagues.
• Mega-Evolved Pokémon can now use an additional Charged Attack regardless of their Mega Level and will be eligible for the first time in the 2026 Pokémon Latin America International Championships.
• Weekly 4× Stardust rewards occur during select weeks, and every Thursday offers Daily Discovery bonuses for GO Battle League players, enhancing rewards and gameplay incentives.
• Players can earn rank-based reward encounters, including chances to encounter Shiny Pokémon and active five-star Raid Bosses, alongside Timed Research rewards such as Stardust, Rare Candy XL, and Elite TMs for sustained participation.
• The season introduces multiple themed Cups with specific CP limits, type restrictions, and eligibility rules, including new Mega Edition formats and the Mega Catch Cup that only allows Pokémon caught during the season.