get 60 in your pokedex and go to oaks lab
yes u can migrate any Pokemon game from gba to diamond pearl or platuim first u have to get the natinal dex the u can migrate
461
Pokemon 1-150 national dex 1-386
461
wifi/ internet connection
there is no national dex in Pokemon emerald. but, you can trade it from Pokemon leafgreen, and firered.
Electabuzz
Get the natinal dex
All of them
u must natinal dex toget there then head to resort area.
Not including Kanto Pokemon their are 235 pokemon in the National Dex. With Kanto Pokemon included their are 386 pokemon in the entire pokedex.
You get the national dex and the rainbow pass after getting the ruby!