Complex sentence: Vials of Wrath is a one-piece Christian metal band, playing unblack metal and death metal music, featuring Dempsey "DC" Mills, from Princeton, West Virginia, where they formed in 2011.
Split into simpler sentences: Vials of Wrath are an American Christian metal band, where they play a mixture of unblack metal and death metal music, with one member Dempsey "DC" Mills. They come from Princeton, West Virginia, where they were formed in 2011.