Laghustavacarcastavau p168

p168

śaktyavasthāpraviṣṭasya nirvibhāgena bhāvanā .
tadasau śivarūpī syācchaivīmukhamihocyate .. (vi0 bhai0 51)

“For one who has entered the state of power, there is contemplation without division; then he becomes of the nature of Śiva. In this [tradition], she is called the entrance to Śiva.” (Vijñānabhairava 51)