As Daylight Dies is the fourth studio album by American metalcore band Killswitch Engage.

[9] The album's first single, "My Curse", was released in 2006, and managed to peak at number 21 on the Billboard Rock Songs Chart.

[16][17][18] A special edition was released on August 28, 2007, including four B-sides and a DVD containing three music videos and behind-the-scenes footage.

A music video directed by Brian Thompson premiered on the band's official Myspace page on August 1, 2007.

Thom Jurek of Allmusic praised the album, scoring it a four and a half out five, positively commenting, "If the cynics don't get it by now, they never will.

[26] Raziq Rauf of Drowned In Sound also praised the album, scoring it a nine out of ten and saying, "With As Daylight Dies, Killswitch Engage have cemented their position as the reason for metalcore ever existing.