A different tale information that a demon named Madan obtained Vak-siddhi, by which what ever he mentioned came accurate. He misused it to difficulty human beings and murder persons. Yet another etymology indicates that valga indicates "to paralyze" and symbolizes the power of stambhana, "paralysis" the goddess is claimed to grant; this theory https://www.youtube.com/shorts/5VeSyP9JRw0