Pokemon Legends: Arceus, which took place in a historical version of the Sinnoh region, shocked fans by showcasing starters not native to the fourth generation game. Cyndaquil, Oshawott ...
The three cover a good range of Pokemon designs to give new evolutions to, with their origins ranging from Gen 1 ... discovers fourth stage Pokemon, starting with their own starter.
What's bizarre about that is that the first two of these three starters are from Johto (Generation 2), whereas Legends: Arceus had one starter each from Johto, Unova (Generation 5), and Alola ...