Life is but a player who struts and frets his hour upon the stage and then is heard no more. It is a tale, full of sound and fury, told by an idiot, signifying nothing.
All our lives we look at the world from a perspective of perceived immortality. To the shaman, there must be a clearer way of seeing the reality of this world and ordering the items we choose to place in our personal inventories. They have learned, over time, that the only way to develop a clear perspective is to take on the reality of their own deaths as an ally.