'''''Repentless''''' is the twelfth studio album by American [[thrash metal]] band [[Slayer]]. It was released on September 11, 2015, and is the first Slayer album to feature guitarist [[Gary Holt]] of [[Exodus]] and the first to feature drummer [[Paul Bostaph]] since 2001's ''[[God Hates Us All]]''. ''Repentless'' is also Slayer's first album following the death of [[Jeff Hanneman]] in 2013, and the band's first album to be released on [[Nuclear Blast]].