After you have earned the 3,000 points to obtain Landorus, you are capable of capturing even more Pokémon. However, this is done by having a Generation IV Pokémon DS game in the cartridge slot of the 3DS as you play the game. With this slot in your game, you will be able to access a new special level containing the legendary Pokémon that stars in it. The Pokémon are as follows

No.	Pic	Name	Type	Abilities	Base Stats						Accessed by
					HP	Att	Def	Sp.Atk	Sp.Def	Spd
#249		Lugia ルギア		Multiscale	106	90	130	90	154	110	SoulSilver Inserted
#250		Ho-oh ホウオウ		Regenerator	106	130	90	110	154	90	HeartGold Inserted
#483		Dialga ディアルガ		Telepathy	100	120	120	150	100	90	Diamond Inserted
#484		Palkia パルキア		Telepathy	90	120	100	150	120	100	Pearl Inserted
#487		Giratina ギラティナ		Telepathy	150	100	120	100	120	90	Platinum Inserted