TBT World Championship is here! Put your gaming skills to the test in many different games either playable on Nintendo Switch or directly in your browser. For more information, get started in the new Welcome to The Bell Tree World Championship 2024 thread, which will explain how to opt-in and join a team.
Yeah, the reason for that is that (I think) Mew's Old Sea Map event in Pokemon Emerald was shiny-locked, meaning that no matter how many times you reset, it will never be shiny. This shiny-locking was left out of the JPN version for some reason.