Shrimad Ramayan S01 E140 Dharm Ka Marg

Vibhishan warns Shri Ram that Atikaya is incredibly tough and can only be brought down with a powerful weapon called the Brahmastra. However, Shri Ram, known for his righteous conduct, is hesitant to use such a destructive weapon for fear of harming innocent bystanders. How will Atikaya be defeated?