Knowledge-hoarding green dragon who owe's the party a debt of gratitude

A young green dragon that can take the form of a handsome man. Barrogath's treasure is knowledge, he hoards ancient books, spelltomes, and histories. His vast knowledge of the past allows him occassional glimpses into the future. One such vision he awarded to the party after they saved him. It came to him in the form of a prophecy:
"You hold within your reach the power to bring great doom, beware the tiger's stripes, a greater treasure awaits."

Gender

Male