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Hello, which of the two server is bottable?
i downloaded this from iRO (warp portal) - http://iro.ragnarokonline.com/

just want to know which server is bottable and whats the diff between the two?

You can refer to official website for more details.
Simply said; Renewal is the Original version, Re:Start is exactly as it said -> restarting from the beginning & classic is Classic good-old-time RO.
All server can bot but besides Renewal, other server having a BAN HAMMER pretty harsh than Renewal.