One more tale data that a demon named Madan obtained Vak-siddhi, by which no matter what he said came correct. He misused it to difficulties people and murder people today. An additional etymology indicates that valga suggests "to paralyze" and symbolizes the power of stambhana, "paralysis" which the goddess is alleged to grant; https://www.youtube.com/shorts/5VeSyP9JRw0