If you mean Unkown as in the pokemon, you can't.
what the pooperscoopers is the unknown dungeon in Pokemon firered you dummies?!
the unknown M is in the rixy chamber
7island
Trade from Leafgreen or Firered.
THEY DONT EVOLVE
go to 7 island
Yes they do
At the pokemart
i think its unknown but im not sure... >.<
Keep looking, you'll find it!!!
U go to the Sucfib Chamber
SoulScar: Its to sell.