Vade Mecum Calignos

The Vade Mecum Calignos was, despite it's name, a large tome of dark magic spells that was said to have been written in the Unwritten Age by a council of Demonic sages. It is considered by many to be the most feared spellbook in all of Arcenorian history. Legend places the book as the source of corruption that turned D'aras Rellium to evil, and made him powerful enough to conquer all of Arcenor during the Age Of Darkness.