A book bound in human skin full of secrets about demons and monstrosities. While attuned:

• You can read, write, and speak Abyssal
• You have advantage on history, investigation, and survival checks about or with demons.
• You have advantage on charisma checks against demons.

You can cast the following spells As Rituals:
1st lvl
Comprehend languages.
Identify.
Find Familiar

2nd lvl
Augury.

5th lvl
Commune.

Notes: Language: Abyssal, Advantage: Intelligence Ability Checks, Advantage: Charisma Ability Checks, Non lawful good humanoid