

Roku instructs Aang to travel to the former's old home, a deserted volcanic island, during the summer solstice. Synopsis Īang is visited in a dream by Roku, who tells him it is time the current Avatar learns about his past life's history with Fire Lord Sozin. Iroh explains to Zuko that the legacy of the struggle between Roku and the latter's paternal great-grandfather, Sozin, lives on as the struggle between good and evil within Zuko himself. Zuko discovers that Roku is his maternal great-grandfather. After Aang receives a vision from his predecessor, Roku, and Zuko receives a letter from Iroh, they each learn about the relationship between Avatar Roku and Fire Lord Sozin their childhood friendship, falling out, and Sozin's eventual betrayal of Roku to his death.
