Pokémon GO’s Halloween 2026 Part II event runs Nov. 1-5, bringing the first chance to encounter Shiny Greavard in the wild or through GO Pass and Field Research. The event also introduces the Super Max Mega Level for Mega Sableye, which can use the new Charged Attack Night Shade+ while Mega-Evolved. Wild encounters include costumed Rowlet and Gengar, while free Timed Research rewards all Trainers with six Rare Candies and an encounter with bow-wearing Sinistea.
Source: Official Pokémon GO blog
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