follow the game.you have to get through mt.coronet.get a ice type,cause it'll hail to your way there.
by:poke-expert rookie pearl
catch one near snow-point city or evolve sneasel
U hav 2 Dfeat the pkmn league
You can't, you can only get ice punch in platinum but a move tutor near snow point city.
Regigigas
Go to snow point city and take a ride on the ferry to an island and if you`ve seen all the Pokemon in sinnoh go to sandgem town and talk to proffeser rowan
use a pokemon to use fly to snow piont city gym and go to the harbor on the north
On the way to snow point city.
Skill.
you can get absol but only by snow point city
in snow point city next to the rocks
You have to go to snow point city to catch him
you go to Sunyshore City and defeat the las gym leader
snow point city
12th January snow point city
you have to use the snowpoint city Pokemon center
after beating the 6 leagues cross the mt. coronet
you have to defeat the elite four then the sailor in snow point city will take you there