core.h is in server site >>>>>>>>>>>>>> /src/config/core.h 1. Open rAthena/config/core.h or  src/config/core.h 2. Modify this row #define PACKET_OBFUSCATION  to //#define PACKET_OBFUSCATION <-- (if error occurs in the end of the guide such as server disconnects you after character select, as per user iantoom, do not modify. Do not check Disable Packet Encryption in the Diff Ragexe using nemo, refer to the Setup Client-Side below) 3. Save 4. Re-
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