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Poseidon is a counter-measure for HackShield.

With Poseidon, original game client (with HackShield) connected to Poseidon server provides data for OpenKore connected to real game server.


Ragnarok Client (Ragexe)

  1. Extract 'clientinfo.xml' from you ragnarok client data files (use GRFTool [1]), rename it to 'poseidon.xml' and place in 'data' directory.
  2. Open it and change 'address' to your Poseidon server address ('' or 'localhost' for same computer). Change 'port' to 6900. (These magic numbers are constants from 'src/Poseidon/poseidon.pl' source.) Change 'display' to anything you want to distinguish between Poseidon connection and your original.

Example of edited clientinfo:

<?xml version="1.0" encoding="euc-kr" ?>



Make sure your server connection settings have 'gameGuard <number>'.


  1. Start 'src/Poseidon/poseidon.pl' or 'start-poseidon.exe', wait for message 'Poseidon initialized'.
  2. Start 'ragexe 1rag1 /account:poseidon.xml'.
  3. Select Poseidon service (if prompted), input any login and password, select any character.
  4. You should appear in Novice Training Center and be able to see and talk with NPC (you will not be able to walk or do anything other than talking with NPC).
  5. Start OpenKore.

Advanced configuration

Poseidon server

Constants in poseidon.pl:

Host/port where ragnarok client will connect (Ragexe)
Host/port where poseidon clients will connect (OpenKore)

Command-line arguments

Tells poseidon where to find poseidon.txt
For instance: ./poseidon.pl --file=bar/foo/myfile.txt
Starts the Ragnarok Server (where the Ragnarok client will connect) at given address
Starts the Ragnarok Server (where the Ragnarok client will connect) at given port
Starts the Query Server (where openkore client will connect) at given address
Starts the Query Server (where openkore client will connect) at given port
Selects a server type (see src/Poseidon/servertypes.txt for available servertypes)
For instance: ./poseidon.pl --server_type=bRO_2016-11-08a
Interesting for developers, poseidon will now output some extra info

  • Notes
    • You can use any combination of those
    • If you provide ragnarokserver_ip, ragnarokserver_port, queryserver_ip, queryserver_port and server_type, no file will be loaded.
    • If neither file nor all the necessary command line arguments are given, poseidon will default to the default behavior of trying to load ../../control/poseidon.txt, ./control/poseidon.txt, or ./poseidon.txt -- in that order.
    • Command line arguments have priority over the configuration file. For instance, if you use --ragnarokserver_ip=<address>, the Ragnarok Server will be hosted at that address, not the one in the configuration file.
    • This feature is only available after PR #1273 (15 Oct 2017)

Poseidon client (OpenKore)

Options in config.txt:

poseidonServer, poseidonPort
Host/port of Poseidon server (QUERY_SERVER connection is Poseidon)


  • You can use one Poseidon for many bots (not in bRO), but GMs can possibly detect that.
  • If game client protection detects OpenKore binaries, run Poseidon without binaries (install Perl) or on another (maybe virtual) machine.