The Fathomless Mastery

The Fathomless Mastery is the third full-length album by Swedish death metal band Bloodbath, released on 6 October 2008 via Peaceville. It is the band's last studio album to feature vocalist Mikael Åkerfeldt and the first to feature lead guitarist Per Eriksson. A video was made for "Hades Rising", directed by Owe Lingwall and shot on location in Vallentuna, near Stockholm. The album peaked at No. 45 on the Heatseekers Chart in the US on release.

The album was reissued in 2011, bundled together with the tracks from the Unblessing the Purity EP released in 2008.

Background
Former Scar Symmetry vocalist Christian Älvestam performed guest vocals on the sixth track, "Iesous".

The outro of the final track, "Wretched Human Mirror", features samples from the movie I Am Legend.

Bloodbath

 * Mikael Åkerfeldt – vocals
 * Anders Nyström – rhythm guitar
 * Jonas Renkse – bass
 * Martin Axenrot – drums
 * Per Eriksson – lead guitar

Additional musician

 * Christian Älvestam – guest vocals (on "Iesous")

Production and design

 * Bloodbath - production
 * David Castillo - production, engineering, mixing
 * Björn Engelmann - mastering
 * Dusty Peterson - artwork
 * Robin Bergh - photography (band)