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Massively multi-player on-line role-playing games (MMORPGs) are relatively new phenomena in the gaming industry in which a potentially large number of players play simultaneously. An interesting problem in such games is to develop artificial players (bots) that are able to play such games and interact with other players. In this paper we provide an initial implementation of such an artificial player in Prolog based on an automated planning system and a belief-desire-intention (BDI) agent model. The artificial player is able to receive tasks (quests) from non-playing characters (NPCs) and solve them by taking one action after another according to its internal planning mechanism.