Zamorak's Book of Chaos

An unholy book is a book held in place of a shield, and is the God book of Zamorak. For information on how to accquire a God book, see the God books article. With an unholy book, a player can preach and perform ceremonies, such as blessing, last rites, and wedding rites. Also, if a player's Prayer level is 50 or higher, they can bless Unholy symbols with an unholy book by expending 4 Prayer points for each symbol.