: Use a specific RPCS3 build. Community reports indicate that builds v0.0.4-6277-e768bdc8 or newer seem to handle the decryption process for Harmony of Despair more reliably. If you encounter crashes, try updating to a newer RPCS3 build or switch your PPU Decoder to Interpreter (fast) and your SPU Decoder to Recompiler (ASMJIT) .
If you prefer playing on a PC using the RPCS3 emulator, the process is more streamlined. castlevania harmony of despair dlc pkg work
The base game must be installed first (standard ID: NPUB30505 for US) . : Use a specific RPCS3 build
: Place the corresponding RAP files inside a folder named exdata on the root of that same USB drive. castlevania harmony of despair dlc pkg work