Aang travels to Fire Temple so that he can come to know the message, which is left by Avatar Roku for him.  While Aang and his friends are on their way to Fire Temple, Zuko follows them and Commander Zhao attacks them. Aang reaches there and a friendly sage give him a helping hand to make him able to talk to Roku. Aang comes to know the message from Avatar Roku i.e. Sozin’s Comet is about to return and with help of it Fire Nation would bring the war to an end. Zhao and some sages attack Aang and his gang.   

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