Corboss

Diamond: Becoming active at night, it is known to swarm with numerous MURKROW in tow.

Pearl: It makes its MURKROW cronies bring it food. It idles its time away, grooming itself in its nest.

Platinum: If one utters a deep cry, many MURKROW gather quickly. For this, it is called “Summoner of Night.”

HeartGold / SoulSilver: It is merciless by nature. It is said that it never forgives the mistakes of its MURKROW followers.

Black +5: If one utters a deep cry, many Murkrow gather quickly. For this, it is called “Summoner of Night.”

Y / Alpha Sapphire: Becoming active at night, it is known to swarm with numerous Murkrow in tow.

Sun: A single cry from this nocturnal Pokémon, and more than a hundred of its Murkrow cronies will assemble.

Moon: If its Murkrow cronies fail to catch food for it, or if it feels they have betrayed it, it will hunt them down wherever they are and punish them.

Ultra Sun: It will absolutely not forgive failure from or betrayal by its goons. It has no choice in this if it wants to maintain the order of the flock.

Ultra Moon: Its goons take care of most of the fighting for it. The only time it dirties its own hands is in delivering a final blow to finish off an opponent.

Legends: Arceus: 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.