use action replay dsi
you had to get the azure flute during the arceus event. it passed so you have to use codes to get it now. hope this helped ;D
You either go to a Nintendo Event to get the Azure Flute OR you can use an Action Replay.
i don't know if yushiki is a real Pokemon, maybe you mean missingo or arceus or shaymay( shaymin) these are some mysterious Pokemon that arent real Pokemon.
Dialga, Palkia, Giratina, Mespirit, Uxie, Azelf, Darkrai, Cresselia, Rotom, Articuno, Zapdos, Moltres, Arceus, Regirock, Registeel, Regice, Regigigas, Heatran, and Spiritomb
Yes it reflects on sunlight
its an element diamond*
Jewelry and you could sell
there is no hm waterfall that i know of
you can not catch it you can only get it from a trade
I don't know about any diamond orb. I think you mean "Adamant Orb." It can be found directly behind where you caught (or will catch) Dialga.
a baseballl diomand
In the Great Marsh at Pastoria City