How can I obtain any level 1 Legendary in any game?

Question

I would prefer the answer to be for Black/White/Black 2/White 2,
But I don't mind if the answer is for another game i.e. soul silver/Heart gold

Thanks to whoever answers!

Answer 1

You can't in most cases without hacking.

You could get Palkia/ Dialga/ Giratina at level 1 via an Arceus event in HGSS, but otherwise there is no way to obtain any other level 1 legendary without hacking. The Arceus event has also long passed.

Comments

Does Phione count as a Legendary?

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It's debated even within Pokemon. It's ultimately up to the individual. I personally don't count it as legendary, simply because you can breed an infinite amount of Phiones. You can't do that with any other legendary.