In Pokémon Ultra Sun and Pokémon Ultra Moon, no fewer than nine Generation IV legendary Pokémon can be caught through the Ultra Wormhole.
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- How to find the Generation IV legendary Pokémon
- The lake trio: Uxie, Mesprit and Azelf
- The space-time trio: Dialga, Palkia and Giratina
- Heatran and Regigigas
- Cresselia
How to find the Generation IV legendary Pokémon
Most of the legendary Pokémon from before Generation VII have been moved to Ultra Worlds called “Ultra Space Wilds”. To reach them, enter the Ultra Wormhole at the Altar of the Sunne/Moone and go through a portal that is not white. As with other Pokémon, you just need to walk to the end of the area to trigger the encounter and try to catch it. So bring a good stock of Poké Balls before you go!
The presence of the Generation IV legendary Pokémon, which occurs at random on each trip, is shown as a “strong presence” when you land in their area. Each one is available only once. When all the Pokémon in a setting have been caught, the presence is shown as lost.
There are nine of them: Uxie, Mesprit, Azelf, Dialga, Palkia, Giratina, Heatran, Regigigas and Cresselia. You can soft-reset to make them appear in their shiny form, just as you normally would right before meeting the Pokémon in question.
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The lake trio: Uxie, Mesprit and Azelf
Native to the lakes of the Sinnoh region, these Pokémon, who symbolize human emotions, logically end up in the aquatic Ultra Space Wilds. So you need to go through a blue portal to reach them.
| Crehelf | |||
| © Levitation | |||
| Level 60 | |||
| Psy | |||
| No held item | |||
| Psy | Extrasensory | Normal | Yawn |
| Psy | Amnesia | Normal | Swift |
| Crefollet | |||
| © Levitation | |||
| Level 60 | |||
| Psy | |||
| No held item | |||
| Psy | Extrasensory | Fée | Charm |
| Psy | Future Sight | Normal | Swift |
| Crefadet | |||
| © Levitation | |||
| Level 60 | |||
| Psy | |||
| No held item | |||
| Psy | Extrasensory | Ténèbres | Nasty Plot |
| Normal | Uproar | Normal | Swift |
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The space-time trio: Dialga, Palkia and Giratina
As is often the case with legendary Pokémon, these rascals are a bit more complicated to get:
- Dialga, reached through a green portal, is exclusive to Ultra Sun;
- Palkia, reached through a yellow portal, is exclusive to Ultra Moon;
- Giratina, also in a yellow portal, requires you to have previously had Dialga and Palkia in your team.
The Adamant Orb and Lustrous Orb, which boost the power of moves of the same type as Dialga and Palkia respectively by 20%, can be bought at the antique shop in Hau’oli City. The same goes for Giratina’s Griseous Orb which, on top of that nice effect, switches it to its Origin Forme and back.
| Dialga (Ultra Sun) | |||
| © Pression | |||
| Level 60 | |||
| AcierDragon | |||
| No held item | |||
| Combat | Aura Sphere | Acier | Iron Tail |
| Dragon | Roar of Time | Acier | Flash Cannon |
| Palkia (Ultra Moon) | |||
| © Pression | |||
| Level 60 | |||
| EauDragon | |||
| No held item | |||
| Combat | Aura Sphere | Eau | Aqua Tail |
| Dragon | Spacial Rend | Eau | Hydro Pump |
| Giratina | |||
| © Pression | |||
| Level 60 | |||
| SpectreDragon | |||
| No held item | |||
| Spectre | Shadow Force | Combat | Aura Sphere |
| Sol | Earth Power | Dragon | Dragon Claw |
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Heatran and Regigigas
Aside from being from the same generation, Heatran and Regigigas don’t seem to have much in common. We group them here mostly because of version exclusivity: both are found in yellow portals, but Heatran is exclusive to Ultra Sun and Regigigas to Ultra Moon.
| Heatran (Ultra Sun) | |||
| © Torche | |||
| Level 60 | |||
| FeuAcier | |||
| No held item | |||
| Ténèbres | Crunch | Normal | Scary Face |
| Feu | Lava Plume | Feu | Fire Spin |
| Regigigas (Ultra Moon) | |||
| © Debut Calme | |||
| Level 60 | |||
| Normal | |||
| No held item | |||
| Psy | Zen Headbutt | Combat | Revenge |
| Normal | Dizzy Punch | Spectre | Confuse Ray |
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Cresselia
While Darkrai, being a Mythical Pokémon, is not available, its counterpart Cresselia can be found on a cliff through a red portal.
| Cresselia | |||
| © Levitation | |||
| Level 60 | |||
| Psy | |||
| No held item | |||
| Glace | Aurora Beam | Psy | Future Sight |
| Normal | Slash | Fée | Moonlight |
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