Thorgal and Bjorn ready, as the rules of Holmganga are explained to them
The Holmganga is a duel used to resolve a conflict between two men. When they were children, Gandalf the Mad decreed a Holmganga between Bjorn, his son, and Thorgal, after Thorgal punched Bjorn. It was in fact intended to kill Thorgal: while nobody should intervene in such a duel, Gandalf sent two of his men in secret to lend a hand to his son in combat. However, Thorgal death, thanks to the ingenious response of Aaricia. [1]