"The End of Heartache" is the third studio album by the American metalcore band Killswitch Engage, released on May 11, 2004. The album features a blend of heavy guitar riffs, melodic elements, and powerful vocals, showcasing the band's signature sound. It includes popular tracks like "My Last Serenade" and "The End of Heartache," which helped solidify their place in the metalcore genre. The album received critical acclaim and commercial success, debuting at number 21 on the Billboard 200 chart. It was praised for its emotional depth and lyrical themes, addressing topics such as love, loss, and resilience. "The End of Heartache" is often regarded as a defining work in the metalcore scene.