Prayerbook of the capital’s ancient dragon cult. A lost tome that never reached the Lands Between. Contains red lightning incantations. Can be given to a learned cleric to gain access to the following incantations:
– Ancient Dragons’ Lightning Spear
– Ancient Dragons’ Lightning Strike

Where to Find the Ancient Dragon Prayerbook

Found in Crumbling Farum Azula, in the building northwest and connected to the Crumbling Beast Grave Depths site of grace. The prayerbook is in the middle of the bottom floor.