Dimmu Borgir have premiered a new video for their new song “Ascent.” You can check that out below. The track is from the band’s new album, “Grand Serpent Rising,” which will be released on May 22. Shagrath commented: “Musically, ‘Ascent‘ is more ferocious and direct than the first single, ‘Ulvgjeld & Blodsødel.’ Together, the two…