Wyatt Robertson and David Baddorf left Believer before the band began recording its third album. Jim Winters joined as bassist and also played some guitar parts during the recording sessions. In 1993, Believer released its most technical, progressive, and ambitious album titled "Dimensions". Kurt Bachman had been a guitar player in an industrial metal group called Under Midnight, which possibly influenced some industrial sound effects on "Dimensions". The lyrics deal with the philosophical paradoxes and the ponderings of Sigmund Freud, Thomas J. J. Altizer, Ludwig Feuerbach and Jean-Paul Sartre about the existence of God. The symphonic metal suite, ”Trilogy of Knowledge”, divided into three chapters and an intro, is a 20 minute+ epic written around the biblical story of the life of Christ and the knowledge of good and evil. ”Trilogy of Knowledge” once again featured the orchestral compositions of Scott Laird and soprano vocals by Julianne Laird Hoge. During the "Dimensions" tour, Scott laird played violin and viola.