A further tale data that a demon named Madan obtained Vak-siddhi, by which regardless of what he claimed arrived real. He misused it to trouble human beings and murder persons. Yet another etymology indicates that valga implies "to paralyze" and symbolizes the power of stambhana, "paralysis" that the goddess is said to grant; https://www.youtube.com/shorts/5VeSyP9JRw0