Peace was always a frisky thing in the Pokémon universe. So it was to noones surprise when war broke out. People used their Pokémon companions to permanently kill others. Crops were burnt and many atrocities committed Galar allied with Kalos, Sinnoh allied with Johto, Hoenn allied with Paldea, Kanto allied with Alola, and Kalos allied with Unova What region do you start in? And how will the story play out? Only one can decide.