Vijnana Bhairava Tantra
अत्र चैकतमे युक्तो जायते भैरवः स्वयम् । वाचा करोति कर्माणि शापानुग्रहकारकः ॥ १४० ॥
One attains the state of bhairava, if established even in one of these (one hundred and twelve dharanas), and by his speech he confers blessings or curses.
english translation