Hiltebeitel argues that the "Ramayana" story cannot be the origin of the Agnikula myth, because it has nothing to do with birth from fire. There are other mythological legends involving sages and birth of warriors, which do not support the foreign-origin theory. For example, the "Ramayana" also mentions that Vashistha and Rishyasringa performed a ceremony that resulted in the birth of Rama and his three brothers. The "Pratisarga-Parvan" of "Bhavishya Purana" mentions a legend according to which the Brahmins destroyed the mlecchas by pulling them into a sacrificial fire pit (rather than creating them from it). Besides, the fire-origin legend is not unique to the Rajputs. There are several south Indian legends of fire-born dynasties and communities: