ཡང་ན་དུར་ཁྲོད་དུ་བྱའོ། །
If one wants to kill an enemy, one should write their name on a skull in the middle of the two syllables hūṁ and phaṭ with ink made of poison, salt, black mustard, and blood using a pen made of human bone, and they will be killed.
Light, Reality, Assembly