The seventh gate

by Margaret Weis and Tracy Hickman. In this tale of treachery, power, and heroism, Alfred, Haplo, and Marit embark on a journey of death and discovery as they seek to enter the dreaded Seventh Gate. Encountering enemies both old and new, they unleash a magic no power can control, damning themselves to an apocalypse of unimagined proportion in a final struggle between good and evil.