The album was produced by Tom S. Englund and Jonas Ekdahl, and was mixed by Adam "Nolly" Getgood (ex-Periphery), who worked closely with the band from the start - bringing out the vividness of the album's overall sonic profile.

Theories of Emptiness follows its chart-topping and critically acclaimed predecessor, 2022's A Heartless Portrait (The Orphean Testament), which entered charts worldwide at #3 in Sweden (Metal), ranked #5 on the Top New Artist Albums charts in the United States, entered #7 in Finland and #12 in Germany.