in emerald/ruby south of fortree once you have activated the regi seal in pacific log town
You have to get Regice regrock and regsteel to get the champion bridge it open when you get the king of Regice Regrock and Regsteel to get Regigigas.
you have to have the regigigas event
uhh i dont know
Trade it from ruby, sapphire or emerald.
migrate them from ruby, sapphire or emerald.
only with a hacking device.
You can only get Registeel by migrating it from the Generation III Pokemon games to the Pal Park.
Go to the route to the left of lilycove and go above the lake at the very left of that route
Rayqyasa Groudon Kyrogye Latios/latias regirock regice regsteel
you don't need regigigas for registeel. you need reegisteel, regirock and regice for regigigas on Pokemon pearl or diamond
iron island at the end when there's a black entrance you have to have an event regigigas in your party to make something inside appear
when you receive the national dex youll have to go to the bottom and see if you have seen it. If not find all the regis Snowpoint city:regice Desertplace at fight area:regrock Iron island : regsteel all lv.30