There was believed to be a certain actual biological substance called tsav that grew on the human heart. This was what gave certain people their charm, their energy, and their powers of persuasion. Tsav therefore was both a physical substance and that invisible power that allows certain people to bend others to their will.45 The problem was—and most Tiv of that time appear to have believed that this was the problem with their society—that it was also possible to augment one’s tsav through artificial means, and this could only be accomplished by consuming human flesh.
