What Lies Beneath The Mask is the newest Special Research to join Pokemon Go. It features its own set of challenges and rewards to give the player.
Special Research tasks act as Pokemon Go's version of a story mode, with Professor Willow providing exposition to the different events and the Pokemon that populate them. Unlike Timed Research tasks, these remain in the game until the player completes them.
It does not have an expiration date. What Lies Beneath The Mask is focused on Ghost-type
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