Thought Form

A temporary mental construct given visible form on the astral plane by directed imagination — ordinarily without independent life, and dispellable by the same imaginative act that made it, unless invocation of elemental essence or projection of the maker's own force gives it sufficient sustained power to resist unmaking, at which point it escalates into an artificial_elemental. Distinct from artificial_elemental (the escalated, quasi-independently-alive entity this concept precedes and can turn into) and astral_light (the ambient medium in which a thought-form is formulated, not the construct itself).