The album explores aggression and dark themes to mourn the deaths of Max Cavalera's 8-month-old grandson, Moses, and his close friend Dimebag Darrell.

[3] The album opens with an intro track "The Dark Ages", which continues into "Babylon", which explores worldwide chaos.

[5] "Fuel the Hate" begins with the lyric line 'Monday, July 16, 1945, 5:30am', exact time and date when 'Trinity' nuclear test occurred.

[2] The outro for "Bleak" was recorded in an ancient temple in Istanbul to capture echoes to include as common sound effect on this album.

[2] "Riotstarter" contains strong tribal chants, and "Innerspirit" blends clean and melodic vocals by the guest Coyote over the roars by Cavalera.