=================================== L2J 19 00 // p.len 25 2E // pcode 01 // always const 42 55 77 8F C3 05 69 87 // xorkey first part 01 00 00 00 // always const 01 // possible Game Server ID // on L2J always 01 00 00 00 00 // always NULLs 00 00 00 00 // in L2J always NULLs - no obfuscation ========================================== Retail NCSoft 19 00 // p.len 25 2E // pcode 01 // always const 42 55 77 8F C3 05 69 87 // xorkey first part 01 00 00 00 // always const 01 // possible Game Server ID - depends on game server ID 00 00 00 00 // always NULLs XX XX XX XX // always different, non-nulls: opcode obfuscator