 In November 2015, the band announced Ingo "Ike" Sterzinger would leave them to follow other projects, and that he would be replaced by Jan Moritz, from the Stimmgewalt choir.On 11 March 2016, the band released their sixth album, the metal opera "Voices of Fire".On January 18, they released a lyric video for the first track from the album, "Clashings on Armour Plates".