There is no traditional leveling system. You get stronger by finding rare loot in chests, such as the legendary Valmanway sword or the Sonic Boots . Essential DLC Content
If you are downloading a "complete" ISO or buying the game, ensure you have the DLC. The PS3 version actually includes some DLC from the Xbox version for free, but much of it remains separate. castlevania harmony of despair ps3 iso link
Searching for a usually means you're looking for a way to play this co-op classic on modern hardware or original consoles. While the game was originally a digital-only release on the PlayStation Network, finding a reliable "ISO" (or more accurately, a PKG file for PS3) involves navigating a mix of official stores and community preservation efforts. The Direct Answer: Where to Get It There is no traditional leveling system