Tulpamancy

undefined: Tulpamancy is the art of purposefully creating headmates through various techniques. A headmate created in this way is called a tulpa. A tulpamancer is a practitioner of tulpamancy.

Related Terms
Parogenic is a related concept, but the term be avoided by some systems in favor of tuplamancy/tuplagenic. Similarly, parogenic may be avoided by some systems in favor of tulpamancy/tulpagenic.

History
The term 'tulpa' in its modern usage first appeared in the book Magic and Mystery in Tibet (1929) by the Theosophist Alexandra David-Néel and based on the Tibetan word 'sprulpa', which approximately means emanation or manifestation. Tulpamancy was popularised and secularized on 4chan and Reddit beginning in 2009.