White metal band Immortal Guardian signed with M-Theory Audio in April 2018. The band’s debut full-length album was due that summer. The band featured Gabriel Guardian and had issued several demos, including Revolution Part I and Super Metal, since formation in 2008. The band called its music ‘Super Metal.’ Immortal Guardian’s Age Of Revolution was out through M-Theory Audio. The artwork for the album was created by the group's vocalist Carlos Zema (ex-Outworld).