4. Projection Of The Etheric Body-e

The universal fluid or medium of occult philosophy — Lévi's Great Magical Agent — that transmits will, thought, and magical influence between minds and matter, and preserves the impress of all forms and actions as a book of consciences; cognate with akasha and the anima mundi. Distinct from cosmic_sympathy (a doctrine of hidden affinity) in being a substantival medium that can be charged, directed, and abused.

The 'silver cord' and 'ectoplasm' function as the medium through which life force is drawn and manipulated, consistent with the occult concept of a universal fluid or medium.

The doctrine and practice by which the etheric or astral double separates from the physical body, at will or involuntarily, to act, travel, or encounter other entities on a plane subtler than the physical — remaining tethered to the body by a silver cord, and capable of returning physical injury (bruises, exhaustion) sustained while thus projected. Distinct from linga_sharira (the static doctrine that a subtle form persists as a template) in describing its active operative use, and from shamanic_journey (a trance-journey framed within a shamanic ritual complex, undertaken to return with knowledge, songs, or a recovered soul) in being a Western-esoteric technical practice with its own physiology of cord-attachment and reciprocal wounding.

The passage explicitly describes the separation of a subtle body (wolf-form/ectoplasm) tethered by a silver cord to the solar plexus, which is the core definition of etheric projection.

The doctrine that human volition, cultivated by discipline and emancipated from passion and servitude, is the primary instrument of magical operation — will confirmed by persistent acts acquires causal power over self, others, and nature; distinct from faith and from mere desire.

The narrator explicitly uses an 'effort of the will and imagination' to draw life out of the entity and conquer violent impulses.

Form-mutability as a constitutional property of divine and preternatural beings — gods, heroes, spirits, and their human practitioners possessing inherent capacity to alter form across human, animal, plant, or elemental states. Loki and Odin's transformations in Norse, Math's pigs and Blodeuwedd's owl-shape and Pwyll's exchange with Arawn in the Mabinogion, the Greek Proteus, the Indian dasavatara, Vainamoinen's bird-flight in the Kalevala, Ovid's metamorphoses, the shamanic and witch's capacity for ritual form-change. Distinct from anthropomorphism (divine taking specific human form, single embodiment) in that anthropomorphism establishes a stable form whereas this concept establishes form's plurality and instability.

The entity shifts from a 'wolf-form' to a 'shapeless grey mist', demonstrating form-mutability characteristic of preternatural beings.