Ihsahn (Emperor) has revealed the details for his new album “Arktis.” It will be released on March 4, and will feature multiple guests including: Einar Solberg (Leprous), Matt Heafy (Trivium), Jorgen Munkeby (Shining), Tobias Ornes Andersen (Shining), and Hans Herbjornsrud. You can check out a new track titled “Mass Darkness” along with the cover art,…