Tentaclifors is the incantation of a transformation jinx that transfigures the head of the targeted witch or wizard into a tentacle.
Harry Potter had this jinx used on him sometime in either the 1995-1996 school year or the 1996–1997 school year at Hogwarts School of Witchcraft and Wizardry, by an unnamed student.
Behind the scenes
Notes and references
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