Aupmanyav
Be your own guru
Well, many sages (Rishis) are supposed to have had such powers, not different from that of any God. They had, sort of, attained Godhood. Even Gods would not alter what they said. An angry Narada made Lord Rama take the help of 'Vanaras' (Monkeys, not the exact translation).Thanks, so basically they have no special powers like raising the dead.
Sage Narada became infatuated with the beauty of a princess and wanted to marry her. He requested Lord Vishnu to give him his form. Vishnu, instead, gave him the form of a 'Vanara'. The princess laughed when Narada faced her. Narada came back and cursed Lord Vishnu that only 'Vanaras' (the tribe of Lord Hanuman) will rescue him when he appeared on earth as Lord Rama. And that is exactly what happened.