Lennart Bossu and Gilles Demolder play guitars, with Demolder also on bass, and Wim Coppers is the drummer. The band recorded the albums Maelstrom in 2011, Eros|Anteros in 2013 and Rheia in 2016, on labels including Deathwish Inc. It went on hiatus in 2017, released the track Ease Me in 2020 and announced a reunion in October 2025. A tenth anniversary remaster of Rheia appeared in May 2026.
OATHBREAKER play their first Australian shows in March 2027, with Portrayal of Guilt and Blind Girls, and "Rheia" in full at Lucidity.
