In Sun and Moon, where the alternate forms were introduced, unlocking the ability to switch between forms and access the Complete Forme required collecting Zygarde Cells hidden around the Alola ...
A Pokemon trainer posts a handy chart of some creatures from multiple generations that will return in the upcoming Pokemon Legends: Z-A.
While the anniversary scouts persist, DeNA also added the "Master" Sync Pair Serena and Zygarde, which has the powerful Ground move Thousand Waves but is still considered a Dragon-type pair.
Unlike Legends Arceus, which had three Partner Pokemon from different generations — Cyndaquil from Johto, Oshawott from Unova, and Rowlet from Alola ... 10% Forme Zygarde and a Zygarde ...