It's said that pure of heart children will be visited by Arcful while they sleep. As the tales go, hugging it while sleeping will dispel nightmares for good, ensuring the child always has pleasant dreams for the rest of their life.
Despite its adorable appearance, when it gets angry and flails about, its arms and legs could knock a pro wrestler sprawling. It is described in mythology as the Pokémon that shaped the universe with its 1,000 arms.
