Anubisさんのイラストまとめ

Interestingly, in Pokémon Scarlet/Violet, Shiinotic is considered a Mythical and Marshadow is not. This error is probably due to the similarity of the Japanese names (マシェード / マーシャドー) and the internal species names (MASHEEDO / MAASYADOO)!

Here's a map of every location where exiting a city is through a gatehouse. Walking out into a route normally causes roamers to change locations.