Tahnarism is the ability to manipulate a portion of the Anti-Principle (the "force" present in Bukrai) to accomplish tasks. It is an attempt to introduce necromantic magic into Hârn that does not rely on the Morgathian Church and its pre-occupation with death.
As always, Thonahexus 17 brings you great HârnWorld fanon. Here for your reading pleasure are several outstanding locations and items, some fiction, and an adventure!