What makes Heartless by Pallbearer notable?

'Heartless' received significant acclaim, debuting at number 2 on the Billboard Heatseekers Albums chart and receiving praise from outlets like Pitchfork and Metal Injection. The album's exploration of darker themes and its lush instrumentation established Pallbearer as a prominent force within the modern doom metal scene. By the time Pallbearer released 'Heartless' in 2017, they were solidifying their reputation following their critically acclaimed second album, 'Foundations of Burden' (2014). This release marked their third full-length effort, showcasing an evolution in sound and thematic depth as they navigated both personal and existential struggles.