Antonio Agate (keyboards) and Paolo "Paco" Gianotti (guitars) departed the band after the release of the album; both had been with the band since the recording of their demo a decade before. Dockyard 1 Records folded in 2009, but the band was picked up by the Italian heavy metal label Scarlet Records in time for their sixth full-length album, Archetype, released in September 2010. This was the first recording with new keyboardist Gabriele Ciaccia and new guitarist Marco Pastorino. Vocalist change, Portrait of a Dying Heart, A Time Never Come re-recording, The Nature of Time (2012–2020) In 2012, the band began recording for their seventh album. However, part way through recording, vocalist and founding member Roberto Ramon Messina left the band due to differences in musical direction. Michele Luppi, former vocalist of the Italian progressive power metal band Vision Divine, was recruited as Roberto's replacement, and the album, entitled Portrait of a Dying Heart, was released in November of that year on Scarlet Records. Drummer Fredderico Pennazzato left shortly after; Marco Lazzarini was chosen as his replacement. Secret Sphere returned to the studio in 2015 to re-record their second album, A Time Never Come, in commemoration of the fifteenth anniversary of its release. A Time Never Come – 2015 edition was released by Scarlet Records in April 2015. The band signed a multi-album deal with Frontiers Records in April 2016. Later that year, Frontiers released the band's first official live recording, One Night in Tokyo, as a 2CD + DVD set. Following the release of One Night in Tokyo, guitarist Marco Pastorino left the band. The band's eighth album, The Nature of Time, was released in June 2017, with Lonobile as the sole guitarist. Messina returns, Lifeblood (2020–) Vocalist Michele Luppi, who joined the band in 2012, departed in 2020 in order to pursue his solo career. The remaining members of the band proceeded with the recording of a new album, Lifeblood, which was formally announced in January 2021 for a March 2021 release via Frontiers Records. Vocal duties on Lifeblood were handled by Roberto Ramon Messina, who returned to the band after an eight-year absence, uniting three members (Messina, Lonobile, and Buratto) who had performed on the bands' earliest albums. Lifeblood was widely praised by reviewers who noted the band's ability to combine the classic power metal sound of their early years with the melodic rock leanings of their