Epos: The Winged Flame (Beast Quest Series #6)

One boy's journey to save his village becomes a quest to save the Kingdom. Tom and Elenna must journey on to face the last of the Beasts enslaved by the evil wizard Malvel: the Winged Flame, a phoenix of terrible power. It has been been slowly awakening a long-dead volcano. If Tom and Elenna cannot stop the Beast in time, it could mean a deadly eruption.