In one version , Parashurama arrived to the mithala after marriage of rama and sita deeply angry. The Kshatriyas were advised by Brahmarishi Vasistha not to confront the sage, but Sita still approached. Parashurama blessed her, saying "Dheergha Sumangali bhavah," or "You will have your husband alive for your lifetime."
When he then turned to confront Rama, Parashurama was unable to lift his axe. He was held back by his own word and pacified by the brilliance of Rama. When the warrior-sage realized he was looking at his own subsequent reincarnation, his bow flew into the hands of Rama, and thus the essence of Vishnu was fully realized in the seventh avatar