Wait is Lugarugan's form permenant or is it interchangeable between night and day?
"The name of the Pokémon Rockruff evolves into is Lugarugan and has a different appearance based on if it evolves in Day or in Night. It notes that Rockruff becomes the Midday Form when bathed in the rays of the sun and when full of the night's power, it becomes the Midnight Form. No types or further details have been given" -Serebii.net