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I'm hoping though that it would be an actual/official form like Eternal Floette(can be transferred through bank), and not be like the Spiky-Earred Pichu and Cosplay Pikachu which can't be transferred to future games(can't be banked).
I think they are just trying to appeal more to the female players/players that loves these feminine designs, and the best way to do it is to make one of the starters looking like one. If you would notice, they started it last gen with the Braixen line, but they are going all out this gen with...
yes there are possibilities for more terrains, and they could also make an ability that negates terrains (like Air Lock/Cloud Nine for weather) then give it to the 4th guardian, making it the master of the other 3...
They could also make the guardians mirror the type of trial captains...
I think ルナアーラ will be Lunarla (Lunaarla). When I googled arla, the first thing that comes out is that it's a girl's name that means eagle.
This is my first post, so... Hi!