A further tale documents that a demon named Madan acquired Vak-siddhi, by which what ever he claimed arrived real. He misused it to hassle human beings and murder people. Another etymology suggests that valga usually means "to paralyze" and symbolizes the power of stambhana, "paralysis" that the goddess is alleged to grant; this https://www.youtube.com/shorts/5VeSyP9JRw0