When editing intro text, ensure you don't exceed 8 lines in length to avoid crashing the game. Use \n for a new line and \x to end the text string.
The Ultimate Guide to Pokémon FireRed Save Editing Editing your save file in Pokémon FireRed pokemon fire red save editor
: Primarily used on modded Nintendo 3DS systems, this tool can edit Gen 3 saves played via Virtual Console or emulators. Essential Setup & Troubleshooting When editing intro text, ensure you don't exceed