- Avenged Sevenfold
- M. Shadows – lead vocals
- Zacky Vengeance – rhythm guitar, backing vocals, additional vocals on "Seize the Day" and "Strength of the World"
- The Rev – drums, backing vocals, piano on "Seize the Day", additional vocals on "Strength of the World"
- Synyster Gates – lead guitar, backing vocals, piano on "The Beast and the Harlot" and "Sidewinder", additional vocals on "Strength of the World"
- Johnny Christ – bass guitar, backing vocals, additional vocals on "Strength of the World"
- Production
- Produced by Mudrock and Avenged Sevenfold, with additional production by Fred Archambault and Scott Gilman
- Mixed by Andy Wallace
- Pro Tools by John O'Mahony, assisted by Steve Sisco
- Mastered by Eddie Schreyer
- Additional vocal production by Synyster Gates and M. Shadows
- Orchestration by Scott Gilman, Synyster Gates, and M. Shadows
- Drum tech – Mike Fasano
- Guitar tech – Stephen Ferrara-Grand
|
- Additional musicians
- Brian Haner, Sr. – additional guitars, pedal steel guitar, acoustic guitar solo left on "Sidewinder"
- Orchestra
- Violinists – Samuel Fischer (soloist), Mark Robertson, Songa Lee-Kitto, Sam Formicola, Bruce Dukov, Alan Grunfeld, Larry Greenfield, Liane Mautner
- Violists – David Walther, Matthew Funes, Alma Fernandez
- Cellists – Victor Lawrence (soloist), David Low, David Mergen
- Choir
- Choir leader – Jeannine Wagner
- Choir performers – Zachary Biggs, Colton Beyer-Johnson, Josiah Yiu, Nathan Cruz, Stephen Cruz, C.J. Cruz, Sean Sullivan, Alan Hong, Nico Walsh, Sally Stevens
|