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What Lies Beneath the Mask Pokémon Go Halloween guide 2021

Catch lots of ghost-types

Galarian Yamask cries in the dark Image: The Pokémon Company via Bulbapedia
Julia Lee (she/her) is a guides producer, writing guides for games like The Legend of Zelda: Tears of the Kingdom and Genshin Impact. She helped launch the Rift Herald in 2016.

What Lies Beneath the Mask” exists alongside the Pokémon Go Halloween event. The new Special Research Task set focuses on Yamask and other ghost-type Pokémon. Our Pokémon Go “What Lies Beneath the Mask” guide will show you all the steps and rewards.

Once you obtain the Special Research by logging in, you’ll be able to complete it at any time. The Special Research involves catching tons of ghost-type Pokémon, so it’s best to try to complete it during the Halloween-themed events, when the spawns are boosted. If you wait until after the event ends, it’ll be much harder to complete.

We’ve listed out the steps below.

What Lies Beneath the Mask step 1 of 4

  • Catch 40 ghost-type Pokémon (400 Stardust)
  • Transfer 9 Pokémon (Duskull encounter)
  • Make 49 nice throws (9 Ultra Balls)

Reward: Yamask encounter, 4,000 XP, 9 Nanab Berries

What Lies Beneath the Mask step 2 of 4

  • Catch 40 ghost-type Pokémon (Halloween hat Pikachu encounter)
  • Make 9 curveball throws (490 Stardust)
  • Use 49 berries to help catch Pokémon (Banette encounter)

Reward: Galarian Yamask encounter, 4,000 XP, 9 Razz Berries

What Lies Beneath the Mask step 3 of 4

  • Catch 40 ghost-type Pokémon (400 Stardust)
  • Catch 9 different species of ghost-type Pokémon (Alolan Marowak encounter)
  • Make 49 great throws (49 Poké Balls)

Reward: Galarian Yamask encounter, 4,000 XP, 9 Pinap Berries

What Lies Beneath the Mask step 4 of 4

  • Claim reward (49 XP)
  • Claim reward (49 XP)
  • Claim reward (49 XP)

Reward: 13 Yamask Candy, 4,900 Stardust