I don't have any answer. My friend's friend did it, so he can use arceus on wi-fi, but I have no clue how he did it without an action replay. He probably used a glitch or something. Anyway, if you really want to find out, search on Google "how do you get an azure Flute on Pokemon diamond without an action replay", and it will totally come up with an answer. If your game freezes, wait a week and turn it back on and save it. It worked for me.
By trading the other starters with other players of Diamond or Pearl.
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to clone an item you need to put that item being held by a Pokemon and clone the Pokemon, how you clone i don't know...
Action replay
You can't. it's true. you can't sorry.
Adae-636791c0
No
no you have to get is from an action replay or go to a Pokemon event
yes they are many just look up on google. what to type on google or any other search staition Pokemon Diamond Cheats With No AR
you cannot
Not Possable
It is Impossible without an action replay