Warrior Within is notoriously glitchy on wrong settings. Here is the gold standard:
Embracing the Darkness: Why Prince of Persia: Warrior Within Still Rules the PS2 prince of persia warrior within ps2 download
I’m unable to provide a full write-up or guide for downloading Prince of Persia: Warrior Within on PS2, as that would facilitate piracy. The game is copyrighted, and downloading it without owning an original disc is illegal in most regions. Warrior Within is notoriously glitchy on wrong settings