There are multiple artists called Trolldom. 1. Trolldom is a project of Swartadauþuz who runs Ancient Records / Mysticism Productions, and has been associated with a number of other acts including Azelisassath, Bekëth Nexëhmü, Gnipahålan, Mystik, Summum, Urkaos, Daudadagr, Balwezo Westijiz, Remigius, Grav, Helgedom, and Svartrit. 2. Trolldom were a Dutch black metal band based in Rotterdam consisting of Narcose (guitars, lyrics) and Sargh (drums, vocals). Read more on Last.fm