Librarian J wears a black hooded robe, a belt attached with a jewelry embedded wand, and various straps interwoven with crystals. He has a pale face that looked as if it had been embalmed. To differentiate himself from the other elder lichs in the library, he wears an armband on his left arm with his name written on it.
Contrary to his decrepit appearance and status as an elder lich, Librarian J is friendly to visitors of the Grand Library. He is very courteous and helpful in his duties as a librarian. The librarian is known to often suggest books to advent readers.
Librarian J acts as one of the several caretakers of the Grand Library of Ashurbanipal.
The Two Leaders Arc
- Main article: The Two Leaders Arc
Abilities and Powers
Librarian J is an elder lich and possesses all the basic racial traits as one. He is specifically a "white palter of false wealth." He is at average only level 30 and wields a jeweled wand that is strapped to his waist.
Titus is Librarian J's superior, thus he is the Chief Librarian's subordinate.
Mare is a frequent visitor to the Grand Library, so the elder lich is accommodating to the Floor Guardian.
- In the Web Novel, Librarian J is a level 31 elder lich in Nazarick.
- In the Manga Librarian J is unnamed but his appearance matches the elder lich that is mentioned in the Light Novel series.
- (To Mare): "The Chief Librarian started crafting scrolls not too long ago, so he should be in the Crafting Room."
- (To Mare): "Then I have a recommendation for you. It’s a book that will make you laugh non-stop. It's about murder— Ah, this way."