심술꾸러기

“능력의 변화가 역전해서 올라갈 때 떨어지고 떨어질 때 올라간다.”

neungryeokui byeonhwaga yeokjeonhaeseo olragal ttae tteoleojigo tteoleojil ttae olraganda.

Whenever this Pokémon's stats would be raised, they are instead lowered by the same amount, and vice versa.