Herald (noun) قاصد، اہم خبر سنانے والا

a person or thing viewed as a sign that something is about to happen.
Example: “they considered the first primroses as the herald of spring”
Dissipate (verb) الگ کرنا، منتشر کرنا

(with reference to a feeling or emotion) disappear or cause to disappear.
Example: “the concern she’d felt for him had wholly dissipated”