def Run(this,CmdNPC):
    if this._NPCcontrol==0:
        CmdNPC.Face(15);
        CmdNPC.Say("The arena is open. Welcome to challenge other people. The");
        CmdNPC.Say("admission fee is only 50 silver.");
        CmdNPC.Say("If you PK in the arena, you will not gain or lose any");
        CmdNPC.Say("experience or equipment, and you will get revived at the");
        CmdNPC.Say("place you die.");
        CmdNPC.Say("The Kungfu circle is very dangerous, I suggest you PK in");
        CmdNPC.Say("arena.");
        CmdNPC.Link("Enter the arena.", 1);
        CmdNPC.Link("Just passing by.", 255);
        CmdNPC.Finish();
    elif this._NPCcontrol==1:
        if this._client.Char.Money>49:
            Teleport_Gold=this._client.Char.Money-50;
            this._client.Char.Money=int(Teleport_Gold);
            this.SendCharacterInfo(this._client.Char);
            this.SpawnCharacter(this._client,51,68,1005);
        elif this._client.Char.Money<50:
            CmdNPC.Say("Sorry, you do not have 1000 silver.");
            CmdNPC.Link("I see.", 255);
            CmdNPC.Finish();