E4 - Viking Warriors and Ancient Deliriants

Even in a culture known for its ferocity in battle, the reputation of a class of warrior known as Berzerkers remains in a league of its own. But how did the Berzerkers achieve the trance state that ostensibly gave them their almost superhuman battle strength? In this episode, I explore whether or not they used psychoactive substances to achieve this state, and present a few of the possible contenders.