Black Reign is the second EP by American heavy metal band Avenged Sevenfold, released on September 21, 2018, through Warner Bros. Records.

[1][2][3] On September 23, 2018, M. Shadows took to Avenged Sevenfold's Reddit to address the criticism regarding the mixing of "Mad Hatter".

He subsequently published a second version to download for free and explained that the song would be replaced on all radio stations and streaming websites.

[4] After the release of this EP, M. Shadows was featured as a playable character in Black Ops 4's "Blackout" gamemode.

about the EP saying "We felt that we should go for something bigger, darker and more cerebral" referring to the brand new song "Mad Hatter".