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Pokémon GO Halloween 2026 Confirms Shiny Greavard Debut

Shiny Greavard arrives in Pokémon GO during Halloween Part II, with wild, GO Pass and Field Research encounter routes. Here are the dates and other event additions.
Length2 min Posted Quest giverVGSources Team
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Shiny Greavard will make its Pokémon GO debut during Halloween Part II, running November 1–5, 2026, local time. The official announcement says players may encounter it in the wild or earn it as a reward from GO Pass and Field Research tasks. This is the debut of Greavard’s Shiny form in Pokémon GO—not a new Pokémon species—and an encounter is not guaranteed.

When does Shiny Greavard debut in Pokémon GO?

Shiny Greavard is scheduled to become available when Halloween Part II begins on Sunday, November 1, 2026, at 10:00 a.m. local time. Part II ends Thursday, November 5, at 8:00 p.m. local time. The official announcement confirms the debut but does not publish an encounter rate or guarantee that a player will find one. Pokémon GO Halloween Part II announcement

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How can you encounter Shiny Greavard?

The announcement lists three possible routes during Part II: wild encounters, GO Pass rewards, and Field Research task rewards. These are opportunities, not guaranteed Shiny encounters; no odds are stated.

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  • In the wild: Look for Greavard spawns during Part II and check each encounter.
  • GO Pass: Progress through the event track for its listed opportunities.
  • Field Research: Complete event tasks that offer Greavard as a reward encounter.

What else is new during the Halloween event?

Halloween Part I: three costume variants

Part I runs from Tuesday, October 27, 2026, at 10:00 a.m. to Sunday, November 1, at 10:00 a.m. local time. It introduces costumed Pikachu wearing a hat and capelet, Zubat wearing a top hat, and Sinistea wearing a bow. The announcement says Shiny versions may be encountered if players are lucky. These costume introductions are separate from Shiny Greavard’s Part II debut. Pokémon GO Halloween Part I announcement

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Halloween Part II: Mega Sableye and Night Shade+

Part II also introduces Mega Sableye’s Super Max Mega Level and the charged move Night Shade+. Mega Sableye can use Night Shade+ while Mega Evolved. Its published power is 55 in Trainer Battles and 160 in Raid Battles; the move’s power increases with Mega Level. To reach Super Max, first raise Mega Level to Max, then spend Mega Energy to power up further. Official Mega Sableye and Night Shade+ details

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Event schedule and GO Pass details

Feature Dates or terms
Halloween Part I October 27 at 10:00 a.m. to November 1 at 10:00 a.m., local time
Halloween Part II November 1 at 10:00 a.m. to November 5 at 8:00 p.m., local time
Event GO Pass October 27 at 10:00 a.m. to November 5 at 8:00 p.m., local time; rewards expire November 7 at 8:00 p.m. local time
GO Pass Deluxe US$7.99, or equivalent local pricing tier
GO Pass Deluxe + 10 Ranks US$9.99, or equivalent local pricing tier

The free, time-limited GO Pass runs across both event parts. The paid Deluxe tiers are optional, and their availability or equivalent pricing may vary by region. The announcement identifies wild encounters and Field Research as additional Shiny Greavard routes, so buying Deluxe is not presented as a requirement to access every event feature. GO Pass terms in the Part I announcement

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