It is merciless by nature. It is said that it never forgives the mistakes of its Murkrow followers.
A single cry from this nocturnal Pokémon, and more than 100 of its Murkrow cronies will assemble.
One cry from this Pokémon, and a murder of Murkrow come flying. At such times, one would think the curtain of night had fallen, plunging the world into jet-black darkness.