Configuring Poseidon for vRO

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Note: You can read how Poseidon works in this article.

This article will help you run OpenKore on vRO server. GameGuard protection is configured in "light mode", so you can run all components on one computer (Poseidon server, Ragnarok client, OpenKore).

Preparation stage

Сonfiguring Ragnarok Client

  1. Extract clientinfo.xml from you Ragnarok client data.grf file (use GRF Editor [1]):
  2. Rename it to poseidon.xml and place in ragnarok\data directory:
  3. In the folder with the Ragnarok client create a new !Poseidon.bat file with the following content:
    start Ragexe.exe 1rag1 User=test Token=test BToken=test /account:poseidon.xml
  4. Open poseidon.xml using any text editor (Recommended Notepad++[2]):
    • change address to your Poseidon server address ( or localhost for same computer). If your clientinfo.xml has the domain tag, change it to ip:port (ex:
    Note: this address must match the ragnarokserver_ip value from the control\poseidon.txt file
    • change port to 6900
    Note: this address must match the ragnarokserver_port value from the control\poseidon.txt file
    • change display to PoseidonRO connection and your original.
    RenamePoseidonXML vRO.png

Example of edited clientinfo:

<?xml version="1.0" encoding="euc-kr" ?>
	<desc>Vietnam SelfService Server</desc>

Configuring Poseidon Server

Open the control\poseidon.txt file:

  • make sure that the values of the ragnarokserver_ip and ragnarokserver_port parameters matches the values that you specified in the data\poseidon.xml file in the "Configuring Ragnarok Client"
Note: this address and port is used by the Ragnarok Client to connect to the fake PoseidonRO server
  • change the values of queryserver_ip and queryserver_port if necessary or use the default values
Note: this address and port is used by the OpenKore to connect to the PoseidonRO server
  • change server_type=Default to your server. (list available at src\Poseidon\servertypes.txt)
Note: use server_type=vRO_2021-07-07 for vRO server
poseidonTXT vRO.png

Example control\poseidon.txt file for vRO server:

# Ragnarok Server

# Query Server

# Server Type


Configuring OpenKore

1. Make sure your server connection settings have "gameGuard 1" (check tables\servers.txt).

[Vietnam - vRO] ip port 6900 master_version 26 version 1 serverType vRO serverEncoding Western addTableFolders vRO charBlockSize 155 pinCode 1 gameGuard 1 blockingPlayerCancel 1 storageEncryptKey 0x050B6F79, 0x0202C179, 0x00E20120, 0x04FA43E3, 0x0179B6C8, 0x05973DF2, 0x07D8D6B, 0x08CB9ED9 itemListType 1

2. Make sure that the values of the poseidonServer and poseidonPort parameters in the control\config.txt file match to the queryserver_ip and queryserver_port values from the control\poseidon.txt file.

3. The vRO server uses a non-standard authorization mechanism, so you have to enable a special "" plugin. Open the control\sys.txt file and add a new plugin to the loadPlugins_list (for example: loadPlugins_list macro, profiles, breakTime, raiseStat, raiseSkill, map, reconnect, eventMacro, item_weight_recorder, xconf, vRO_auth)

Launch stages

Launching a fake PoseidonRO server

  1. Start start-poseidon.exe or src\Poseidon\ from the OpenKore folder, wait for message:
    >>> Poseidon 3.0 initialized

Launching a Ragranok client

  1. Start the !Poseidon.bat file from the Ragnarok client folder:
    Note: in the Ragnarok client window, you should see "Poseidon server". In the Poseidon console, you should see messages that the game client has connected:
    [RagnarokServer]-> Ragnarok Online client (5) connected.
  2. Select "Poseidon service", then select the "Poseidon" player:
    SelectCharacter vRO.png
  3. 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:
    MapServer vRO.png

Launching an Openkore

  1. Start OpenKore (start.exe, wxstart.exe or OpenKore must connect directly to the Ragnarok server (not to the fake Poseidon server!)
  2. In a few seconds the Ragnarok server will send a "GameGuard request". OpenKore should forward this request to the fake Poseidon server. In the Poseidon console, you should see the following messages:
[PoseidonServer]-> New Bot Client Connected : 6
[PoseidonServer]-> Received query from bot client 6
[PoseidonServer]-> Querying Ragnarok Online client [13:42:19]...
[PoseidonServer]-> Sent result to client : 6
[PoseidonServer]-> Bot Client Disconnected : 6
poseidon OpenKore.png