beat the elite four!
Regigigas
beat the elite four and become champion
you have to of beat the snow point gym leader you have to of beat the snow point gym leader
he is in the snow point city temple (you need regice reirock and registeel to get him) hope that helps
in the temple in snow point
snow point gym
snow point temple. two rare Pokemon
when you defeat the Pokemon league and get your national pokedex.
snow point temple
On the way to snow point city.
its not you idiot. its only in Pokemon diamond Pearl and platinum.
Mount cornet, new moon island, full moon island, stark mountain, Lake Valor, Lake Acuity, and Lake Verity, snow point temple