A further tale data that a demon named Madan acquired Vak-siddhi, by which no matter what he explained came legitimate. He misused it to difficulty people and murder persons. Yet another etymology implies that valga means "to paralyze" and symbolizes the strength of stambhana, "paralysis" which the goddess is alleged to grant; this https://www.youtube.com/shorts/5VeSyP9JRw0