Though it had happened to his friends before, this is the first time that Ash travels through time.
Damos:
To all of my beautiful future children who taught me how to believe. I offer all of you now my sincerest hopes, and wishes that the future world will become more and more beautiful. And that is exactly the kind of world you find yourselves in.
Many say that Arceus using grass type moves despite having lost its grass plate is a goof. However, he could have learned these moves while he still had the grass plate and never forgot them. On top of that, there are many cases of Pokémon learning moves with types that are not their own.
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