In February 2004, the 5th album "Devil's Ground" was released and entered the German LP charts at place 67. April of the same year the band started another world tour in which the band toured through Europe, Japan, the US and South America including one of the band's biggest hits "Metal Is Forever". Directly after the tour the band recorded their 6th album "Seven Seals" in Vancouver and Stuttgart. It was released in Fall of 2005 mixed by Mike Frazer in Vancouver. To promote the album the band went on Europe and Japan tour together with fellow Power Metal band Helloween.