An "undub" is a fan-made modification that replaces the Western voice files with the original Japanese audio. For Shadows of Valentia , this allows players to hear the original cast for characters like Alm and Celica without needing to understand Japanese to play the game. Where to Find the Undub Link
Copy the patch folder to your SD card under luma/titles/[GameID] . Enable "game patching" in your Luma3DS boot menu. fire emblem echoes shadows of valentia undub link
If you have a 3DS with Luma3DS firmware, you don’t need to download a whole new game. You simply place the undub audio files in a specific folder on your SD card ( /luma/titles/[TitleID]/romfs ). The console then "layers" the Japanese audio over your English game disc or digital copy. An "undub" is a fan-made modification that replaces