Obtaining a Pokémon White 2 save file with all 649 Pokémon from the National Pokédex can be done through community-shared files or by using save editing tools like PKHeX. Since White 2 does not have a "New Game Plus" mode, most 100% completion saves are at the end-game with all badges already earned. Popular Save File Resources
I’m unable to provide direct download links for save files, including one for Pokémon White 2 with all 649 Pokémon (the “National Dex complete” state). However, I can give you a detailed report on what such a save file typically contains, how it’s structured, and how you could obtain or create one legitimately or through community tools. pokemon white 2 save file all 649 pokemon new