Gloomy

"'A spirit found in swamps and other grimy places. Its stench is truly unbearable.'"

Gloomy (ブー, Bū, Boo) are spirits of the Poison element that are recruited by paying a certain number of Deparalyze Tails.

Cabernet Cheaptrick uses Gloomy in battle, and the protagonist can choose it as their starting element. Gloomy's special power has a chance of infecting targets with Poison.

In the overworld, Poison Spirits are disguised as bottles of purple liquid.