One more tale data that a demon named Madan obtained Vak-siddhi, by which no matter what he explained came correct. He misused it to issues humans and murder men and women. Another etymology suggests that valga indicates "to paralyze" and symbolizes the strength of stambhana, "paralysis" the goddess is said to grant; this https://www.youtube.com/shorts/5VeSyP9JRw0