He aids Larch and Cedar to overthrow the tyrant Silverbirch and becomes priest of Whitewings. He conducts the wedding ceremony of Almond and Candle, Urchin's parents. Flame also helps to heal Juniper when he and Larch find him on the beach. He is only mentioned in book 2.
Flame, as a member of the Larchlings, helps Queen Larch gain support in secret. He also helps save Juniper when he washes up on shore
It is also metions that he married Almond and Candle.