after doing the darkry mission in dark crater, creselia will be waiting by your house/den. talk to her and she joins you
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Well what do you think? I DON'T KNOW!
After when you have beated you have to talk with Cresselia. She wanna join then. hope it helped
Dark Crater be ready he has like 6 other Pokemon helping him and cresselia is low lv
Pokemon mystery dungeon explorers of time.
You must get past Dialga and Palkia and have cresselia unlocked to enter dark crater
Pokemon cannot be traded in the Mystery Dungeon series.
Yes, but only in Pokemon Mystery Dungeon: Explorers of Sky.
You can't breed Pokemon in the mystery dungeon games.
No.
Most certainly pokemon mystery dungeon explorers of time!
No because Oshawott was created after Pokemon Mystery Dungeon.