The album was released on November 13, 2006 through Roadrunner Records. It peaked at number 32 on the Billboard 200, selling up to 60,000 copies within its first week. It also peaked within the Rock, Hard Rock, and Digital Albums Charts. The album was certified Gold by the RIAA on June 30, 2009, which was on the same date of the release of its successor, Killswitch Engage. It has since gone on to sell more than 500,000 copies in the United States alone.
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. The album's B-side "Holy Diver", a cover of Dio's first single, was released as the album's third single on August 17, 2007. It peaked at number 12 on the Rock Songs Chart, making it the band's highest charting single. A music video directed by Brian Thompson premiered on the band's official Myspace page on August 1, 2007. The video is a comical re-imagining of the original video by Dio. A music video for the album's fourth single, "This Is Absolution", was released in 2008, featuring footage of the band performing the song live, as well as backstage footage.
The album has received generally positive reviews from contemporary music critics. 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. For the rest, this is the album to come into the tent with." The tracks "This Is Absolution", "Unbroken", and "Eye of the Storm" were indicated as the AMG Track Picks. 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."