Gulvane and the Dragon: A Tale of Tzamesch

The wizard Gulvane walks the corridors of his mind, remembering the eras locked behind three doors. Forester, Fighter, Assassin. Behind each door lie the memories and skills of who and what he used to be. Uncertain of where his life will lead him, or of what he will become, Gulvane wakes to find a dragon standing over his bed. Now, what would a creature such as what would dragon want with him?