Greavard was first teased on the 24th October with a video hinting at a new Ghost type Pokémon in Paldea. It was subsequently fully revealed the next day, initially without any additional details including it’s name, but soon followed up with an in-game trailer and more info.

It Lurks Underground and Jumps Out While Making Eerie Cries

Normally, Greavard barely moves, resting peacefully underground. It pokes the topmost part of its head above ground and lights an eerie glow at its tip, then waits for someone to approach. When a person draws near, Greavard jumps out of the ground while letting out a spooky cry that would startle most unsuspecting people. However, it doesn’t appear to do this with ill intent.