The theme was released about 4 months after the previous album "Remember Me". Its CD was released in 3 types: First Press Limited Edition, Regular Edition, and Anime Edition. Member Spear Rib is in charge of the disc jacket model for the first production limited edition and regular edition.[1] The title song "Dark Crow" is the second opening theme of animeVinland Saga.[2] "Dark Crow" is meant to fit into the theme of the Viking themes.[3]
The coupling song "86 Missed Calls feat. Patrick Stump" is the theme song for the film Three Nobunagas [ja].[4] The bonus DVD of the first production limited edition includes "Jan-Ken Johnny qualification road Director's cut version" and "Tokyo Tanaka's challenge to his flyboard Director's cut version". The bonus DVD of the anime edition includes the "TV Anime 'Vinland Saga' Special Movie".