Same way you beat everyone.
beat heatran beat heatran
Obtain ALL the Pokemon
you have to capture the almia and then you fall in a hole and beat the level 100 that awaits you The simplest way to beat the game is to Complete missions and advance to rank 10
No, you do not get an Egg after beating Shadows of Almia but you can get an Egg if you beat the Special Manaphy mission but it is no longer available for download.
Yes you do.
no
you have to fight lucario
If your really good at it you can beat it. Or you can get cheats.
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Wevile is in the room of Almia Castle with the the two Riolu statues after you beat the game.
no if there was i would have it
That'd be Aerodactyl which appears in/on the Peril Cliffs once you beat the game.