It seems Ghost-type Pokémon aren’t the only ones lurking around this Halloween—Team GO Rocket and Giovanni seem to have a couple tricks up their sleeves! Team GO Rocket Takeover takes place from Thursday, October 26th, 2023, at 10:00 a.m. to Tuesday, October 31st, at 8:00 p.m. local time.

Infogram:

Sinister shadows abound this Halloween season. Team GO Rocket returns, Giovanni partners with Shadow Regigigas, and Shadow Lugia makes its Shadow Raid debut!

Trainers,
Ever the tricksters, Team GO Rocket members are out in force spreading mischief on every block…and they’re not alone! New Shadow Pokémon have been spotted, including Shadow Regigigas—and beware of Shadow Lugia in five-star Shadow Raids!

But don’t be intimidated by Team GO Rocket’s show of force. With Party Play, you can band together with your friends and embrace the Party Power!

Learn more about Party Power here!

Gather your allies and get ready for some Halloween season showdowns!

Team GO Rocket Takeover

From Thursday, October 26, 2023, at 10:00 a.m. to Tuesday, October 31, at 8:00 p.m. local time.

Save Shadow Regigigas!

Giovanni’s back with another nefarious plot—and this time, it includes using Shadow Regigigas! A new Special Research story will be available at the beginning of this event. Progress through it to receive a Super Rocket Radar and chase down Giovanni!

You can claim this Special Research up to the end of Pokémon GO: Adventures Abound on December 1, 2023, at 10:00 a.m. local time.

Shadow Raid debuts

Shadow Lugia will return to Pokémon GO by making its debut in Shadow Raids. Also, for the first time in Pokémon GO, you’ll be able to encounter Shiny Shadow Lugia—if you’re lucky!

Shadow Lugia will appear in five-star Shadow Raids from Saturday, October 28, 2023, at 10:00 a.m. to Sunday, October 29, 2023, at 8:00 p.m local time.


: If you’re lucky, you may encounter a Shiny one!

Shadow Pokémon

Team GO Rocket Grunts—as well as their leaders Sierra, Cliff, and Arlo—are using different Shadow Pokémon. Help Spark, Blanche, and Candela overcome their adversaries and rescue the Shadow Pokémon!

In addition, Team GO Rocket has also turned the following Pokémon into Shadow Pokémon. Defeat Team GO Rocket Grunts to save them!

Also, Pokémon rescued from Team GO Rocket Grunts may be Shiny Pokémon—if you’re lucky.


Shadow Gastly
Shadow Rhyhorn
Shadow Barboach
Shadow Cranidos
Shadow Shieldon
Shadow Drilbur
Shadow Litwick

Shadow Raids

The following Pokémon will appear in Shadow Raids! Gyms not under Team GO Rocket control may still host other raids.


One-star Shadow Raids: Shadow Gastly, Shadow Grimer , Shadow Misdreavus, Shadow Litwick
Three-star Shadow Raids: Shadow Nidorina, Shadow Nidorino, Shadow Golbat

: If you’re lucky, you may encounter a Shiny one!

Event Bonuses

: Team GO Rocket will appear more frequently at PokéStops and in balloons.
: You can use a Charged TM to help a Shadow Pokémon forget the Charged Attack Frustration.

Eggs

The following Pokémon will hatch from 12 km Eggs.


Larvitar , Sandile, Pawniard , Vullaby , Deino , Pancham , Salandit

: If you’re lucky, you may encounter a Shiny one!

Field Research

Field Research tasks awarding a Mysterious Component will be available throughout the event.

Source: https://pokemongolive.com/en/post/halloween-team-go-rocket-takeover-2023/