The Book of Blood is an ancient tome found on the fifth level of the catacombs in Diablo. It starts the Arkaine's Valor quest when read.
It reads as follows:
- Book of Blood
...and so, locked beyond the gateway of blood, and past the hall of fires, Valor awaits for the hero of light to awaken...
Story Tomes — Dark Exile • Great Conflict • The Realms Beyond • Book of Blood • Mythical Book • Book of the Blind • Sin War • Tale of the Three • Wages of Sin are War • Binding of the Three • Tale of the Horadrim • The Black King • Steel Tome
Items — Ancient Tome • Fungal Tome
Hellfire Tomes — Journal: The Meeting • Journal: The Tirade • Journal: The End