Because Zenonia on PSP is a digital-only title often played via the category or through emulation, users typically rely on external tools rather than in-game menus.
If you cannot run CFW, you can still cheat using on PC or Android, then transfer the save back to your real PSP. Zenonia Psp Cheats
There are several types of cheats available for Zenonia on the PSP: Because Zenonia on PSP is a digital-only title
Yes. Using a save editor, change your class ID from 00 (Paladin) to 05 (Ninja). Ninja was removed from the PSP port but still exists in the code. Be warned – Ninja skills may crash the game. Zenonia Psp Cheats