Bio: An immortal thatís rejuvenated himself over the years from
the Lazarus Pit, Raís was near death when the Lazarus Pitís failed to
sustain his body any longer. Seeking a stronger source of power, Raís
planned to steal Supermanís energy. While it worked and he became young
(and superstrong), Raís and his daughter, Talia, fell off of a ledge and
into an underground river after a scuffle broke out.
Check out Ra's in Batman Beyond.