Diabolis Interium is the first album to feature drummer Matte Modin and the only album to feature guitarist Dominion and also marked the end of vocalist Emperor Magus Caligula's role as a bassist for Dark Funeral, both studio and live. The Regain Records 2007 re-release contains a second disc consisting of the EP Teach Children to Worship Satan.
Matte Modin is included on Diabolis Interium as the first album featuring him, while Dominion is present in this only album as the guitarist. This marks the end of Emperor Magus Caligula's bassist role in Dark Funeral for both studio and live performances. The 2007 re-release by Regain Records includes a second disc with the EP Teach Children to Worship Satan.