In the darkness of a new-moon night, Gourgeist will come knocking. Whoever answers the door will be swept off to the afterlife.
Gourgeist is a Ghost/Grass-type Pokémon. It takes double damage from Fire, Ice, Flying, Ghost and Dark, resists Water, Electric, Grass and Ground, and is immune to Normal and Fighting. Its base stats add up to 494: the highest is Defense (122) and the lowest is Special Attack (58).
It is the second stage of its evolution line, along with Pumpkaboo. Its abilities are Pickup and Frisk, and its Hidden Ability is Insomnia. It is in the Amorphous egg group and can breed with 59 species. In Sword and Shield it learns 16 moves by level-up and 44 by TM.
OTHER FORMS
Gourgeist Small Size
Ghost / Grass type, like Gourgeist; HP 65 → 55, Attack 90 → 85, Speed 84 → 99; the same abilities as Gourgeist.
Gourgeist Large Size
Ghost / Grass type, like Gourgeist; HP 65 → 75, Attack 90 → 95, Speed 84 → 69; the same abilities as Gourgeist.
Gourgeist Super Size
Ghost / Grass type, like Gourgeist; HP 65 → 85, Attack 90 → 100, Speed 84 → 54; the same abilities as Gourgeist.