Diamond
It can lull people to sleep and make them dream. It is active during nights of the new moon.
Pearl
Folklore has it that on moonless nights, this Pokémon will make people see horrific nightmares.
Platinum
To protect itself, it afflicts those around it with nightmares. However, it means no harm.
Heart Gold
It chases people and Pokémon from its territory by causing them to experience deep, nightmarish slumbers.
Soul Silver
It chases people and Pokémon from its territory by causing them to experience deep, nightmarish slumbers.
Black
To protect itself, it afflicts those around it with nightmares. However, it means no harm.
White
To protect itself, it afflicts those around it with nightmares. However, it means no harm.
Black 2
To protect itself, it afflicts those around it with nightmares. However, it means no harm.
White 2
To protect itself, it afflicts those around it with nightmares. However, it means no harm.
X
It chases people and Pokémon from its territory by causing them to experience deep, nightmarish slumbers.
Y
It can lull people to sleep and make them dream. It is active during nights of the new moon.
Omega Ruby
It chases people and Pokémon from its territory by causing them to experience deep, nightmarish slumbers.
Alpha Sapphire
It can lull people to sleep and make them dream. It is active during nights of the new moon.
Legends Arceus
On a moonless night, a strange incident occurred in which every one of a village's inhabitants suffered nightmares. The villagers attested that Darkrai appeared before them in these nightmares.
