How to change Pokémon Forms in Pokémon Legends: Arceus
Image: Nintendo Life

Pokémon Legends: Arceus is the latest adventure in the Pokémon franchise, this time bringing with it a whole new open world, new catching mechanics and more.

While the deep mysteries of Hisui, and which Pokémon you’re going to encounter, are left for you to solve, there are a few parts of the game that you might need a bit of help with, in this case, how to change the form of certain Pokémon.

Spoilers ahead...

How to change Pokémon Forms in Pokémon Legends: Arceus


In order to change Rotom’s form, you’ll need the following items. They can be purchased randomly from the Ginko Guild in Jubilife City.

  • Mechanical Box - Heat Rotom
  • Mechanical Cabinet - Frost Rotom
  • Mechanical Tub - Wash Rotom
  • Mechanical Pinwheel - Fan Rotom
  • Mechanical Circular Saw - Mow Rotom


To get Dialga’s new, hideous form, you need the Adamant Crystal. To obtain his, complete the request The Diamond Clan’s Treause. You’ll be offered this quest once you’ve rolled credits.


Similar to Dialga, in order to get this form you’ll need the Lustroud Globe, which is obtained from finishing the mission The Pearl Clan’s Trasure.


The easiest of the bunch, once you catch Giratina you’ll be given the Griseous Orb which can be used to swap Giratina between forms.

Tornadus, Thundurus, Landorus & Enamorus

Upon completiting Incarnate Forces of Hisui, a mission which tasks you with finding these Pokémon, you’ll be given The Reveal Glass, which is a key item you can use on any of the four to reveal their alternate forms.


In order to get Shaymin’s Sky Forme, you can use the Gracidea, which was given to you as part of the mission to catch Shaymin, in order to change its form.

How to change Pokémon Forms in Pokémon Legends: Arceus
Image: Nintendo Life / Nintendo / The Pokémon Company

This article is part of our Pokémon Legends: Arceus walkthrough and guide series. You can find every Pokémon in the game using our Complete Hisui Pokédex List And Pokémon Locations guide, or hunt for specific hard-to-catch Pokémon with our individual guides, including Every Alpha Pokémon (with Maps), Every Rare Space-Time Distortion Pokémon, Where To Find Every Unown, Where To Find The Other Starters, Where To Find The Sinnoh Starters, How To Catch Darkrai, How To Catch Shaymin, Where To Find Hisuian Zorua, Where To Find Hisuian Growlithe, Where To Find Hisuian Electrode, How To Get Sneasler, How To Get Wyrdeer, How To Get Alolan Vulpix, How To Get Kleavor, How To Catch Tornadus, Thundurus and Landorus, How To Get Every Eeveelution, How To Catch The New 'Secret' Legendary, and (of course) How To Catch Arceus.

Elsewhere we've got starter guides with answers to simple questions like "How Do You Break Cracked Rocks?" and "How Long Is Pokémon Legends: Arceus?", plus tips on How To Swap Pokémon, How To Turn On Gyro Controls, or where to find specific items and make the most of your resources, including How To Increase Your Bag Size And Carry More Items and Where To Buy Every Evolution Item, Plus A Complete Price List. We also have our Ginkgo Guild Item List And Prices guide and cover How To Get Shiny Pokémon and how to access and complete various side quests and missions, such as The Sea Legend, the Eerie Apparitions In The Night Mission Guide - Maps With Every Wisp Location, and How To Defeat Volo, as well as a 'Snow-White Vulpix In The Snow' Map.

We also have a Ginkgo Guild Item List With Prices and explain How To Change Pokémon Forms, Every New Evolution Method, How To Unlock The Mystery Gift Function, in addition to a regularly updated Full List Of Mystery Gift Codes.

And finally, Where to Buy Pokémon Legends: Arceus on Nintendo Switch, if for some reason you haven't yet picked up the game!