Killswitch Engage is a powerhouse American metalcore band from Massachusetts, formed in 1999. Known for blending crushing riffs, soaring melodies, and emotionally charged lyrics, they helped define the modern metalcore sound. With anthems like “My Curse” and “End of Heartache,” Killswitch Engage have built a loyal global following, delivering high-energy shows that fuse aggression and hope, all anchored by their signature mix of heaviness and heartfelt intensity.