Halloween Mischief Part 1: Creepy Companions
Release Dates: October 15th - October 22nd 2021 This event was the annual Halloween event featuring costumed Pokémon as well as new Special Research. It was split into two parts with this first part focusing on Poison-types

Anchors	Effects	Spawns	Eggs	New Pokémon
	New Shinies	Raids	Field Research	Timed Research
	League Cup	Special Research	Stickers	Boxes
	Clothing

Event Effects

Spawn Increases In Event

Specific Pokémon

No.	Pic	Name	Type
#0025		Pikachu
#0041		Zubat
#0092		Gastly
#0096		Drowzee
#0167		Spinarak
#0200		Misdreavus
#0353		Shuppet
#0393		Piplup
#0434		Stunky
#0527		Woobat
#0562		Yamask
#0574		Gothita

Specific Egg Hatches

No.	Pic	Name	Type
#0167		Spinarak 7km
#0200		Misdreavus 7km
#0353		Shuppet 7km
#0433		Chingling 7km
#0562		Yamask 7km
#0607		Litwick 7km
#0622		Golett 7km

New Pokémon in Event

No.	Pic	Name	Type
#0199		Slowking (Galarian Form)
#0025		Pikachu (Halloween Mischief)
#0393		Piplup (Halloween Mischief)
#0426		Drifblim (Halloween Mischief)

New Shiny Pokémon In Event

No.	Pic	Name	Type
#0167		Spinarak
#0168		Ariados
#0025		Pikachu (Halloween Mischief)
#0393		Piplup (Halloween Mischief)
#0426		Drifblim (Halloween Mischief)

Event Specific Raid Battles

No.	Pic	Name	Type	Rank	Max. CP At Capture
#				☆	Normal: 1229 Boosted: 1536
#0198		Murkrow		☆	Normal: 892 Boosted: 1116
#0557		Dwebble		☆	Normal: 699 Boosted: 874
#0562		Yamask		☆	Normal: 561 Boosted: 701
#0677		Espurr		☆	Normal: 719 Boosted: 899
#				☆☆☆	Normal: 1229 Boosted: 1536
#0302		Sableye		☆☆☆	Normal: 843 Boosted: 1054
#0354		Banette		☆☆☆	Normal: 1313 Boosted: 1642
#0426		Drifblim		☆☆☆	Normal: 1361 Boosted: 1701

Event Exclusive Field Research

Task	Reward
Catch 9 Pokémon	Drowzee Encounter Gothita Encounter
Catch 5 Ghost-type Pokémon	Pikachu Encounter Piplup Encounter
Catch 15 Ghost-type Pokémon	Drifblim Encounter
Catch 25 Ghost-type Pokémon	Yamask Encounter
Make 3 Curveball Throws	Spinarak Encounter
Send 3 Gifts	Zubat Encounter Woobat Encounter
Spin 3 Poké Stops or Gyms	Spinarak Encounter
Spin 7 Poké Stops or Gyms	Rare Candy * 1

Timed Research Introduced in Event

Halloween Mischief
1 / 1
Battle in GO Battle League	Sableye Encounter	Yamask Candy * 15 Sableye Candy * 15 Scraggy Candy * 15
Battle in GO Battle League 5 times	Yamask Encounter
Win a trainer battle in the GO Battle League	Frillish Encounter
Win 4 trainer battles in the GO Battle League	Umbreon Encounter
Win 7 trainer battles in the GO Battle League	Yamask Encounter

Special Research Introduced in Event

Misunderstood Mischief
9 / 16
Make 3 Nice Curveball Throws	Slowpoke Candy * 20	Shedinja Encounter Max Potion * 5 Slowbro Mega Energy * 40
Transfer 30 Pokémon	Slowpoke Encounter
Evolve one Slowpoke	1990 XP
10 / 16
Claim Reward	Stardust * 720	720 XP

What Lies Beneath the Mask
1 / 4
Catch 40 Ghost-type Pokémon	Stardust * 400	Yamask Encounter 4000 XP Nanab Berry * 9
Transfer 9 Pokémon	Duskull Encounter
Make 49 Nice Throws	Ultra Ball * 9
2 / 4
Catch 40 Ghost-type Pokémon	Pikachu Encounter	Yamask Encounter 4000 XP Razz Berry * 9
Make 9 Curveball Throws	Stardust * 490
Use 49 Berries to help catch Pokémon	Banette Encounter
3 / 4
Catch 40 Ghost-type Pokémon	Stardust * 400	Yamask Encounter 4000 XP Pinap Berry * 9
Catch 9 different species of Ghost-type Pokémon	Marowak Encounter
Make 49 Great Throws	Poke Ball * 49
4 / 4
Claim reward	49 XP	Yamask Candy * 4 Yamask Candy * 9 Stardust * 4900
Claim reward	490 XP
Claim reward	4900 XP

Event GO Battle League Cup

Halloween Cup
	CP Restriction	1500 CP
	Pokémon Restrictions	Poison, Bug, Ghost, Dark or Fairy-type Only

Event Exclusive Stickers

Picture	Name	Method
	Halloween 2021 - Ghost	Gifts & Spin Poké Stops
	Halloween 2021 - Pikachu	Gifts & Spin Poké Stops
	Halloween 2021 - Piplup	Gifts & Spin Poké Stops
	Halloween 2021 - Drifblim	Gifts & Spin Poké Stops

Event Item Boxes

Creepy Crate	Boo Bundle	Pumpkin Pack
480 Coins	1480 Coins	1480 Coins
Item Quantity Poke Ball 50 Remote Raid Pass 1 Super Incubator 2 Incense 4	Item Quantity Premium Raid Pass 16 Super Incubator 8 Incense 4 Star Piece 4	Item Quantity Super Incubator 18 Egg Incubator 2 Incense 4 Star Piece 4

Clothing Added in Event

Picture	Name	Colour	Price	Restrictions
Male
	Halloween Face Sticker		50 Coins
	Pikachu Pumpkin Head		250 Coins
	Pumpkaboo Top		250 Coins
	Pumpkaboo Pants		150 Coins
	Hoopa Headband		200 Coins
Female
	Halloween Face Sticker		50 Coins
	Pikachu Pumpkin Head		250 Coins
	Pumpkaboo Top		250 Coins
	Pumpkaboo Pants		150 Coins
	Hoopa Headband		200 Coins