If you are looking for a save file that has all characters unlocked (including Sasuke, Itachi, and the Hokages) and all story modes completed, you generally need to download a pre-made memory card file.
This guide provides everything you need to know about finding and installing , updated for the latest emulator versions. Why You Need a 100% Save Data File naruto shippuden ultimate ninja 5 save data pcsx2 updated
Tracking down a safe, "updated" save file can be a challenge due to the age of the game. Here are some of the best places to look: If you are looking for a save file