Pokemon Legends: Arceus - How to Transform Palkia & Dialga into Their Origin Formes

gamerant.com:

That Pokemon Legends: Arceus would contain regional Pokemon didn't really come as too much of a surprise to long-term fans of the series. After all, both Alola and Galar received them in recent years, and so it only made sense for Hisui to have its own regional forms as well. Indeed, Hisuian Pokemon were ultimately revealed fairly early on in the game's development, but that's not to say that there weren't still one or two big surprises in Game Freak's latest Pokemon game.

Pokemon Legends: Arceus — Every Mythical & Legendary Pokemon (& Where to Find Them)

As well as Hisuian forms, Pokemon Legends: Arceus includes some new evolutions and even a brand-new Legendary Pokemon in the form of Enamorus. Perhaps the biggest surprise of all comes in the final main story boss fight though, in which either Palkia or Dialga transforms into its Origin Forme. Naturally, this led many players to wonder whether they too could unlock these powerful new forms for themselves. As those who've ventured into Pokemon Legends: Arceus' post-game content a little will already know, the answer to that question is a resounding yes.

In order to transform Dialga into its Origin Forme, players will need to complete the main story and then make their way over to the Crimson Mirelands. Once there, they should look for Adaman, who can be found waiting around on the pathway that leads from the Diamond Settlement up to Lake Valor. Speaking with him will trigger a special request in which he'll challenge the player to one final battle.

If players agree, they'll be thrown straight into a battle with three of Adaman's Pokemon. His Level 64 Leafeon is by far the biggest threat, but they'll also need to deal with an Umbreon and a Vaporeon as well — both of which are