S1·E822 Mahavinashni Escapes From Battle Field

Mahavinashini is using her power to defeat Baalveer and because of his oath, Baalveer is not trying to counter Mahavinashini's spell. Rani Pari has brought Baalveer's blood mother in the battle field so that she can free Baalveer from the oath, he took because of her.