You need to complete Pokemon Diamond. At the main menu, insert a Pokemon Sapphire GBA into the GBA slot. Select Migrate from Sapphire and on diamond, catch the migrated species in the Pal Park.
you have to migrate it from sapphire
you have to migrate from a gba game like sapphire you can catch a linoone in sapphire then migrate it to diamond at the pal park after beating the pkmn league
you have to migrate it in from ruby sapphire or emerald
migrate it from ruby/sapphire.
No, you have to migrate it from Pokemon Emerald, Ruby or Sapphire. No, you have to migrate it from Pokemon Emerald, Ruby or Sapphire.
migrate from Ruby/Sapphire/Emerald
Migrate it from Ruby Sapphire Emerald
migrate from ruby sapphire and emerald
you have to migrate it from sapphire/ruby/emerald
Any Pokemon in sapphire but you have to migrate
In Diamond you can't catch Regirock, you have to migrate it from Pokemon Ruby, Sapphire, or Emerald.
Migrate from Pokemon Sapphire to Diamond then Diamond to Black/White