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If you think this is bait, just wait.
1/ The legends are an offensive, steel-dragon type wyrm (man-modified, it isn't clear if the upgrade was recent or ancient) and a defensive, grass-fairy horse/unicorn thing with eight legs
2/ The starters will have their own special moves that they learn after evolving
3/ There will be a third legend, a giant, fire-ice type two-headed wolf that will be more relevant to the plot than the actual box legends (although this will supposedly be the balance pokemon the typing just makes it into a bigger glass cannon than the actual offensive legend)
4/ The game will be semi-open world in some parts (look at the map).
4.1/ Basically, you will challenge the gyms in this order:
>yellow
>grey
>white in whatever order
>green in whatever order
>pink
4.2/ The orange area is fully explorable and you can take it on in whatever pace you like
4.3/ Galar is divided into three sub-regions, former kingdoms (blue, red and yellow)
4.4/ The big cities (dark blue) all have thier own specific themes: first one is steampunky, second one is medieval-y and the last one is both Edwardian/Interwar and modern, the cities are also largely open-world
5/ There will be quests (about 100); in the white and green gym sections, you'll have to complete specific ones before challenging the gym leaders
6/ Instead of collecting zygarde cores, you'll be collecting meltans
6.1/ After beating Melmetal, you'll get access to armored evolutions (A select group of pokemon can evolve into a region variant with the correct item)
7/ the middle city has a pokemon world tournament arena, hence why there is no gym. The world tournament, just like the gyms, elite 4 and some specifc battles has a morale system, where specific move/move combos give you stat boosts or lower the opponent's stats. This can be turned on in competitive battles. I believe Lockstin correctly predicted this.
8/ There will be a special (open world) aftergame island based on the Isle of Man.