Relentless is the debut album from Pentagram. It was initially self-released in 1985 as Pentagram but was re-issued by Peaceville Records in 1993 with the new moniker and a new track listing. It was released as a 2CD split with Day of Reckoning in 1996 and then re-released again in 2005 as a digipak. This album is now commonly known as Relentless.