Legendary Battles:
After defeating Landorus, unlock the following areas and Legendary Pokemon by inserting the corresponding games into the Nintendo 3DS:
AREA(POKEMON) – GAME
Diving Extension (Lugia) – Insert Pokemon SoulSilver.
Rainbow Extension (Ho-Oh) – Insert Pokemon HeartGold.
Renegade Extension (Giratina) – Insert Pokemon Platinum.
Space Extension (Palkia) – Insert Pokemon Pearl.
Time Extension (Dialga) – Insert Pokemon Diamond.