Arckanum

Arckanum is a Swedish black metal band formed in 1992 by Johan Lahger, who was the only constant member. Arckanum is influential and popular in the Swedish black metal scene.

Lahger writes occult literature as Vexior/Ekortu. His first published work, Panparadox, was released 13 July 2009 by Ixaxaar. His second book, Gullveigarbók, was released in December 2010 by Fall of Man. His third book, Þursakyngi, was published on 21 December 2014. It is said to be a "book series", with each book dedicated to the Thursatru tradition. As of 2018, he has published multiple books with more to come. He put the band on hold to write. He reformed the band in 2026.