Hisui

"I believe it was Hisui’s swampy terrain that gave Ursaluna its burly physique and newfound capacity to manipulate peat at will."

"Because of Sneasler’s virulent poison and daunting physical prowess, no other species could hope to best it on the frozen highlands. Preferring solitude, this species does not form packs."

"When it flies to this land from across the sea, the bitter winter comes to an end. According to legend, this Pokémon’s love gives rise to the budding of fresh life across Hisui."