Metamorphosis is a rerelease of Zero Hour's eponymous debut album.
' gave a positive review and said some of the keyboard parts resemble When Dream and Day Unite-era Dream Theater. ' said the album sounds like Dream Theater, although the vocals are not as good. One of the reviewers for DPRP called the album "A truly stunning work". Another said: "This is original, well composed, superbly played progmetal." Metallian wrote: "Much like the bands heroes, Dream Theater, Metamorphosis is an accomplished, calculated and precise progressive album." Babyblaue highlighted the track "Eyes of Denial".