Back in Blood is Debauchery's fourth studio album. It was released in 2007 on AFM Records. It is a double-disc set; the second disc features cover versions of songs from bands such as Genesis, Rammstein, The Beatles & The Rolling Stones.
- All songs written by Thomas, except where noted.
- "Lords Of Battle"
- "Baptise This World In Blood"
- "Praise The Blood God"
- "Back In Blood"
- "Masters Of The Killing Art"
- "Butcher Of Bitches"
- "Death Metal Maniac"
- "Alcohol Fueled Brutality"
- "True To The Skull Throne (And Bound To Kill)" (Chris Vahlbruch)
- "Storm Of Iron"
- "I Can’t Dance" (Genesis Cover) (Tony Banks, Phil Collins, Mike Rutherford)
- "Weißes Fleisch" (Rammstein Cover) (Rammstein)
- "Eight Days a Week" (The Beatles Cover) (John Lennon, Paul McCartney)
- "Heavy Duty" / Defenders of the Faith (Judas Priest Cover) (Rob Halford, Glenn Tipton, K. K. Downing)
- "Kings Of Metal" (Manowar Cover) (Joey DeMaio, Ross the Boss)
- "You Got Me Rocking" (Rolling Stones Cover) (Mick Jagger, Keith Richards)
- "War Is Coming" (Chill Out Version) (Six Feet Under Cover) (Chris Barnes, Allen West)
- Thomas - Vocals, Guitars
- Tom Neumann - Lead Guitar
- Dennis Ward - Bass, Rhythm Guitar on CD 2
- Oli - Drums
- Rhythm guitars on "True To The Skull Throne" by Chris Vahlbruch