the realm of adventure is one of unknown forces and unknown powers… there may come what I call a refusal of the call, where the summons is heard or felt, and perhaps even heeded, but for one reason or another cut off.
Campbell defines adventure as entry into a domain of unknown forces, structurally opposed to refusal, and identifies the shaman’s crisis as its most vivid real-world instantiation.
, Pathways to Bliss: Mythology and Personal Transformation, 2004thesis