The Ancient Tome is found within the Chamber of Bone on Level 6 of the Catacombs in Diablo. It is guarded by Horror Captains and Horned Demons. Reading the tome Bestows the Ancient Guardian spell, and thus completes the quest.
|Diablo I Tomes|
| 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