This method while it will produce a "legitimate" WISHMKR Jirachi is in-and-of itself not a legitimate method. The save file you will be creating with this method is not a legitimately obtainable save file through regular gameplay. A backup of your original save should always be stored when doing this method in-case you alter some important values outside of the relevant checksum section! For more information on how to produce a legitimate save file that will still produce your intended WISHMKR J