amon amarth extended its record deal with metal blade records in 2008 for three more albums. after extending its record deal, the band released "twilight of the thunder god". the album had many guest appearances, including lars göran petrov, roope latvala, and apocalyptica. the album came with an eight-page comic strip based on norse mythology which was released by magazines in europe. "twilight of the thunder god" was very successful and reached number 6 in germany, number 10 in finland, number 11 in sweden, number 14 in austria, number 21 in switzerland. it ended up at the number 7 position in revolver magazine’s top 20 albums that year.